SC No.

Type

Error Name/Error Condition/Major Cause/Solution

SC700

 

SPDF DF3120 Error

SC700-01

D

Tray Lift Motor error

SC700-02

D

Pick-up Motor error

SC700-04

D

Feed Motor error

SC700-05

D

Entrance Motor error

SC700-06

D

Relay Motor error

SC700-07

D

Transport Motor error

SC700-09

D

Exit Motor error

  

-01

Even if the Tray Lift Motor is rotated in the base plate ascent direction, the base plate paper feed correct position sensor does not detect.

Even if the Tray Lift Motor is rotated in the base plate descent direction, the base plate home position sensor does not detect.

-02

Even if the Pick-up Motor is rotated, the pick-up arm home position sensor does not detect.

-04, 05, 06, 07, 09

When an error notification signal is detected during the motor drive period.

  

-01

  • Base plate paper feed correct position sensor error (output error)
  • Base plate home position sensor error (output error)
  • Tray Lift Motor error (does not rotate)
  • Controller error

-02

  • Pick-up home position sensor error (output error)
  • Pick-up Motor error (does not rotate)
  • Controller error

-04, 05, 06, 07, 09

  • Motor defective
  • Connector disconnected
  • Harness broken
  • Overload
  

Check if the SC occurs by turning the main power OFF then ON, opening/closing covers, and input/output check. If the SC occurs again, do the following steps. Check if the SC reoccurs by cycling the power after each step.

The target parts that need to be checked are as follows;

  • -01: all motors, and Pick-up Roller HP Sensor
  • -02: all motors, and Bottom Plate Lift Sensor, Bottom Plate HP Sensor
  • -03, 04, 05, 06, 07, 09: all parts in ADF.
  1. Check if the connector of the target part is connected securely. Reconnect the connector if it is disconnected, or loose.
  2. Check the harness for the target part. Replace the harness if it is disconnected, or damaged.
  3. Check if the motor runs, sensors turn OFF/ON, has no overloads, and is properly driven. Replace the parts if there are any defects.
  4. Check if there are any signs of a short circuit. Replace the parts if there are any defects.

SC No.

Type

Error Name/Error Condition/Major Cause/Solution

SC701

 

ARDF DF3110 Error

SC701-03

D

Paper Feed Motor Driver Error

  

Detection of error signal from motor driver

SC701-08

D

Paper Exit Motor Driver Error

  

Detection of error signal from motor driver.

  
  • Encoder disconnection
  • Encoder connector dropout
  • Encoder defective
  • Overload
  • Motor deterioration
  

Check if the SC occurs by turning the main power OFF then ON, opening/closing covers, and input/output check. If the SC occurs again, do the following steps. Check if the SC reoccurs by cycling the power after each step.

  • The target parts that need to be checked are all motors, all solenoids, all clutches, and all sensors.
  1. Check if the connector of the target part is connected securely. Reconnect the connector if it is disconnected, or loose.
  2. Check the harness for the target part. Replace the harness if it is disconnected, or damaged.
  3. Check if the motor runs, sensors turn OFF/ON, has no overloads, and is properly driven. Replace the parts if there are any defects.
  4. Check if there are any signs of a short circuit. Replace the parts if there are any defects.

SC No.

Type

Error Name/Error Condition/Major Cause/Solution

SC702

 

ARDF DF3110  Error

SC702-01

D

Protection Device Intercept Error

  

When original source 5V power supply is ON, protection device intercept of 24V power supply system is detected.

  

Any of feed motor, transport motor, reverse solenoid, paper feed solenoid, paper feed clutch and FAN motor defective, a harness short-circuit occurs, and the protection device of the 24V power supply system intercepts.

  

Check if the SC occurs by turning the main power OFF then ON, opening/closing covers, and input/output check. If the SC occurs again, do the following steps. Check if the SC reoccurs by cycling the power after each step.

  • The target parts that need to be checked is Original Set Sensor.
  1. Check if the connector for Original Set Sensor is connected securely. Reconnect the connector if it is disconnected, or loose.
  2. Check the harness for Original Set Sensor. Replace the harness if it is disconnected, or damaged.
  3. Check if the Original Set Sensor turns OFF/ON (INPUT Check). Replace the part if there are any defects.
  4. Check if there are any signs of a short circuit. Replace the parts if there are any defects.

SC702-02

D

Protection Device Intercept Error 2

  

When original source 5V power supply is ON, protection device intercept of 24V OUT power supply system is detected.

  

Solenoid defective or harness short-circuit occurs in 24VOUT power supply system.

  

Check if the SC occurs by turning the main power OFF then ON, opening/closing covers, and input/output check. If the SC occurs again, do the following steps. Check if the SC reoccurs by cycling the power after each step.

  • The target parts that need to be checked is Original Set Sensor.
  1. Check if the connector for Original Set Sensor is connected securely. Reconnect the connector if it is disconnected, or loose.
  2. Check the harness for Original Set Sensor. Replace the harness if it is disconnected, or damaged.
  3. Check if the Original Set Sensor turns OFF/ON (INPUT Check). Replace the part if there are any defects.
  4. Check if there are any signs of a short circuit. Replace the parts if there are any defects.

SC702-03

D

Protection Device Intercept Error 3

  

When original source 5V power supply is ON, protection device intercept of 5VE power supply system is detected.

  

Sensor defective or a harness short-circuit occur in 5VE power supply system.

  

Check if the SC occurs by turning the main power OFF then ON, opening/closing covers, and input/output check. If the SC occurs again, do the following steps. Check if the SC reoccurs by cycling the power after each step.

  1. Check if the connector for Original Set Sensor is connected securely. Reconnect the connector if it is disconnected, or loose.
  2. Check the harness for Original Set Sensor. Replace the harness if it is disconnected, or damaged.
  3. Check if the Original Set Sensor turns OFF/ON (INPUT Check). Replace the part if there are any defects.
  4. Check if there are any signs of a short circuit. Replace the parts if there are any defects.

SC No.

Type

Error Name/Error Condition/Major Cause/Solution

SC702

 

ARDF/SPDF Error

SC702-04

D

Protection Device Intercept Error 4

  

Motor defective in any of the pick-up motor, completion stamp, base plate motor or FAN motor, or a harness short-circuit occurs, and the protection device of the non-interlocking power supply system intercepts.

  

Motor defective or a harness short-circuit occurs in the non-interlocking power supply system.

  

Check if the SC occurs by turning the main power OFF then ON, opening/closing covers, and input/output check. If the SC occurs again, do the following steps. Check if the SC reoccurs by cycling the power after each step.

  • The target parts that need to be checked are the Pick-up Roller Lift Motor, Stamp Solenoid, and Feed Motor.
  1. Check if the connector of the target part is connected securely. Reconnect the connector if it is disconnected, or loose.
  2. Check the harness for the target part. Replace the harness if it is disconnected, or damaged.
  3. Check if the motor runs, has no overloads, and is properly driven. Replace the parts if there are any defects.
  4. Check if there are any signs of a short circuit. Replace the parts if there are any defects.

SC702-05

D

Protection Device Intercept Error 5

  

Motor defective in the paper feed motor, pullout motor, intermediate motor, scanner motor (M26) or paper exit motor, or a harness short-circuit occurs, and the protection device of the interlocking power supply system intercepts.

  

Motor defective or a harness short-circuit occurs in the interlocking power supply system.

  

Check if the SC occurs by turning the main power OFF then ON, opening/closing covers, and input/output check. If the SC occurs again, do the following steps. Check if the SC reoccurs by cycling the power after each step.

  • The target parts that need to be checked are the Feed Motor, Pick-up Roller Lift Motor, Relay Motor, Transport Motor (M5), and Exit Motor.
  1. Check if the connector of the target part is connected securely. Reconnect the connector if it is disconnected, or loose.
  2. Check the harness for the target part. Replace the harness if it is disconnected, or damaged.
  3. Check if the motor runs, has no overloads, and is properly driven. Replace the parts if there are any defects.
  4. Check if there are any signs of a short circuit. Replace the parts if there are any defects.

SC No.

Type

Error Name/Error Condition/Major Cause/Solution

SC703-01

B

Double Feed Sensor error  (SPDF)

  

Error signal detected during double-feed sensor operation.

Disconnection, broken harness, erroneous double feed detection (output error), or double-feed sensor board error.

Check if the SC occurs by turning the main power OFF then ON, opening/closing covers, and input/output check. If the SC occurs again, do the following steps. Check if the SC reoccurs by cycling the power after each step.

  1. Check if the connector for Double Feed Sensor is connected securely. Reconnect the connector if it is disconnected, or loose.
  2. Check the harness for Double Feed Sensor r. Replace the harness if it is disconnected, or damaged.
  3. Check if there are any signs of a short circuit. Replace the parts if there are any defects.

SC No.

Type

Error Name/Error Condition/Major Cause/Solution

SC720

 

Booklet Finisher SR3290/Finisher SR3280 Error

SC720-03

B

Protection Device Intercept Error 1

  

Protection device intercept error state (fuse break) is detected.

SC722-06

C

See the descriptions next table below.

SC720-10

B

Entrance Transport Motor Error

SC720-11

B

Horizontal Transport Motor Error

SC720-13

B

Intermediate Transport Motor Error

SC720-15

B

Prestack Transport Motor Error

SC720-17

B

Paper Exit Motor Error

  

Error Condition of -06, -10, -11, -13, -15, -17

Motor driver detects an error (DC motor control error) (1st time is jam notification, 2nd time is SC notification)

SC720-20

B

Lower Junction Gate Motor Error

SC720-24

B

Paper Exit Open/Close Guide Plate Motor Error

SC720-25

B

Punching Motor Error

SC720-27

B

Punch Displacement Motor Error

SC720-28

B

Horizontal Registration Detection Displacement Motor Error

SC720-30

B

Jogger Motor Error

SC720-33

B

Positioning Roller Drive Motor Error

  

Error Condition of -20, -24, -25, -27, -28, -30, -33

  • During movement to home, the home position could not be detected within a predetermined pulse (Jam notification for 1st to 4th times, SC notification for 5th time).
  • During movement from home, the home position was detected for longer than a predetermined pulse (Jam notification for 1st to 4th times, SC notification for 5th time).

SC720-34

B

Positioning Transport Motor Error

  

Motor driver detects an error (DC motor control error) (Jam notification for 1st to 4th times, SC notification for 5th time)

SC720-35

B

Rear End Press Motor Error

  
  • Motor driver detects an error (DC motor control error) (Jam notification for 1st to 4th times, SC notification for 5th time).
  • During movement to home, the home position could not be detected within a predetermined time (Jam notification for 1st to 4th times, SC notification for 5th time).
  • During movement from home, the home position was detected for longer than a predetermined time (Jam notification for 1st to 4th times, SC notification for 5th time).

SC720-41

B

Release Motor Error

  
  • Motor driver detects an error (DC motor control error) (Jam notification for 1st to 4th times, SC notification for 5th time)
  • During movement to home, the home position could not be detected within a predetermined pulse (Jam notification for 1st to 4th times, SC notification for 5th time).
  • During movement from home, the home position was detected for longer than a predetermined pulse (Jam notification for 1st to 4th times, SC notification for 5th time).

SC720-42

B

Edge Stapler Retreat Motor Error

  
  • During movement to home, the home position could not be detected within a predetermined pulse (Jam notification for 1st to 4th times, SC notification for 5th time).

During movement from home, the home position was detected for longer than a predetermined pulse (Jam notification for 1st to 4th times, SC notification for 5th time).

SC720-44

B

Edge Stapler Motor Error

  
  • During movement to home, the home position could not be detected within a predetermined time (Jam notification for 1st to 4th times, SC notification for 5th time).
  • During movement from home, the home position was detected for longer than a predetermined time (Jam notification for 1st to 4th times, SC notification for 5th time).

SC720-50

B

Booklet Jogger Motor Error

SC720-51

B

Booklet Adjustment Claw Displacement Motor Error

SC720-52

B

Press Folding Motor Error

SC720-53

B

Booklet Reference Fence Motor Error

  

Error Condition of -50, -51, -52, -53

  • During movement to home, the home position could not be detected within a predetermined pulse (Jam notification for 1st to 4th times, SC notification for 5th time).
  • During movement from home, the home position was detected for longer than a predetermined pulse (Jam notification for 1st to 4th times, SC notification for 5th time).

SC720-54

B

Folding Transport Motor Error

  

Motor driver detects an error (short-circuit and overheating)

(1st time is jam notification, 2nd time is SC notification).

SC720-60

B

Booklet Stapler Motor Error

  
  • During movement to home, the home position could not be detected within a predetermined time (Jam notification for 1st to 4th times, SC notification for 5th time).
  • During movement from home, the home position was detected for longer than a predetermined time (Jam notification for 1st to 4th times, SC notification for 5th time).

SC720-70

B

Folding Transport Motor Error

  
  • Motor controller detects an error (overload) (Jam notification for 1st to 4th times, SC notification for 5th time)
  • During descent, the paper surface sensor still detects paper even after a predetermined time (t0sec) elapses (Jam notification for 1st to 4th times, SC notification for 5th time).
  • During ascent, the paper surface sensor could not detect the paper surface even after a predetermined time (t1sec) elapses (Jam notification for 1st to 4th times, SC notification for 5th time).

SC720-71

B

Shift Motor Error

SC720-72

B

Shift Jogger Front Motor Error

SC720-73

B

Shift Jogger Rear Motor Error

SC720-74

B

Shift Jogger Retreat Motor Error

  

Error Condition of -71, -72, -73, -74

  • During movement to home, the home position could not be detected within a predetermined pulse (Jam notification for 1st to 4th times, SC notification for 5th time).
  • During movement from home, the home position was detected for longer than a predetermined pulse (Jam notification for 1st to 4th times, SC notification for 5th time).

SC720-75

B

Reverse Roller Rocking Motor Error

  
  • Motor driver detects an error (DC motor control error) (Jam notification for 1st to 4th times, SC notification for 5th time)
  • During movement to home, the home position could not be detected within a predetermined time (Jam notification for 1st to 4th times, SC notification for 5th time).
  • During movement from home, the home position was detected for longer than a predetermined time (Jam notification for 1st to 4th times, SC notification for 5th time).

SC720-80

B

Protection Device Intercept Error 3

  

Fuse blowout is detected

SC720-81

B

Transfer Roller Transport Motor Error

  

Motor driver detects an error (DC motor control error) (Jam notification for 1st to 4th times, SC notification for 5th time).

SC720-82

B

Edge Guide Motor Error

SC720-83

B

Paper Guide Motor Error

  

Error Condition of -82, -83

  • During movement to home, the home position could not be detected within a predetermined pulse (Jam notification for 1st to 4th times, SC notification for 5th time).
  • During movement from home, the home position was detected for longer than a predetermined pulse (Jam notification for 1st to 4th times, SC notification for 5th time).
  
  • Harness short-circuit -80 only
  • Overload
  • Motor defective
  • Solenoid defective -03, -80 only
  • Connector disconnected
  • Encoder defective -10, -25, -34 -81 only
  • Home position sensor defective
  

Check if the SC occurs by turning the main power OFF then ON. If the SC occurs again, do the following steps. Check if the SC reoccurs by cycling the power after each step.

  • The target parts are the motor and related HP sensor that SC occurred.
  1. Check if the connector of the target part is connected securely. Reconnect the connector if it is disconnected, or loose.
  2. Check the harness for the target part. Replace the harness if it is disconnected, or damaged.
  3. Check if the motor runs, sensors turn OFF/ON, has no overloads, and is properly driven. Replace the parts if there are any defects.
  4. Check if there are any signs of a short circuit. Replace the parts if there are any defects.

SC No.

Type

Error Name/Error Condition/Major Cause/Solution

SC720

 

Booklet Finisher SR3290/Finisher SR3280 Error

SC720-06

C

Access error to NVRAM

Error occurs when accessing NV memory.

Connection failure or malfunction of NV memory

Check if the SC occurs by turning the main power OFF then ON. If the SC occurs again, do the following steps.

  1. Pull out and reinsert the NV memory to check if the NV memory is correctly inserted into the IC socket. If the SC cannot be recovered, replace the main board.

SC No.

Type

Error Name/Error Condition/Major Cause/Solution

SC721

 

Booklet Finisher SR3270 Error

SC721-03

 

B

Protection Device Intercept Error 1

Fuse blowout is detected

SC721-04Protection Device Intercept Error 2

Fault signal of interlock system protection device (high-side switch) detected when power on.

SC721-06

C

See the descriptions next table below.

SC721-10

B

Transport Motor 1 Error

Motor driver detects an error state (DC motor control error)  (Jam notification for 1st to 4th times, SC notification for 5th time).

SC721-11

B

Transport Motor 2 Error

Motor driver detects an error state (DC motor control error)  (Jam notification for 1st to 4th times, SC notification for 5th time).

SC721-17

B

Paper Eject Motor 2 Error

Motor driver detects an error state (DC motor control error)  (Jam notification for 1st to 4th times, SC notification for 5th time).

SC721-24

B

Paper Exit Guide Plate Open/Close motor Error

  • During movement to home, the home position could not be detected within a predetermined pulse  (Jam notification for 1st to 4th times, SC notification for 5th time).
  • During movement from home, the home position was detected for longer than a predetermined pulse (Jam notification for 1st to 4th times, SC notification for 5th time).

SC721-25

B

Punch Drive Motor Error

  • During movement to home, the home position could not be detected within a predetermined time (Jam notification for 1st to 4th times, SC notification for 5th time).
  • During movement from home, the home position was detected even after a predetermined time elapsed   (Jam notification for 1st to 4th times, SC notification for 5th time).
  • Output from the encoder could not be counted for a predetermined number of times within a predetermined time   (Jam notification for 1st to 4th times, SC notification for 5th time).

SC721-27

B

Punch Movement Motor Error

SC721-28

B

Punch Horizontal Registration Detection Error

SC721-30

B

Jogger Motor 1 Error

SC721-33

B

Positioning Roller Motor Error

SC721-41

B

Release Motor Error

  • During movement to home, the home position could not be detected within a predetermined pulse (Jam notification for 1st to 4th times, SC notification for 5th time).
  • During movement from home, the home position was detected even after a predetermined pulse elapsed  (Jam notification for 1st to 4th times, SC notification for 5th time).

SC721-42

B

Stapler Retreat Motor Error

  • During movement to home, the home position could not be detected within a predetermined pulse (Jam notification for 1st to 4th times, SC notification for 5th time).
  • During movement from home, the home position was detected even after a predetermined pulse elapsed  (Jam notification for 1st to 4th times, SC notification for 5th time).
  • During movement from home, retreat sensor ON could not be detected even after a predetermined pulse elapsed  (Jam notification for 1st to 4th times, SC notification for 5th time).
  • During initialization, retreat sensor ON was detected simultaneously when the home position is detected  (Jam notification for 1st to 4th times, SC notification for 5th time).

SC721-44

B

Stapler Motor Error

  • During movement to home, the home position could not be detected even after a predetermined time elapsed (Jam notification for 1st to 4th times, SC notification for 5th time).
  • During movement from home, the home position was detected even after a predetermined time elapsed  (Jam notification for 1st to 4th times, SC notification for 5th time).
  • During motor drive, the output from the encoder could not be counted for a predetermined number of times within a predetermined time  (Jam notification for 1st to 4th times, SC notification for 5th time).

SC721-52

B

Folding Plate Drive Motor Error

  • Motor driver detects an error (short-circuit and overheating) (1st time is SC).
  • During movement to home, the home position could not be detected within a predetermined pulse  (Jam notification for 1st to 4th times, SC notification for 5th time).
  • During movement from home, the home position was detected for longer than a predetermined pulse  (Jam notification for 1st to 4th times, SC notification for 5th time).

SC721-53

B

Rear End Fence Displacement Motor Error

  • During movement to home, the home position could not be detected within a predetermined pulse (Jam notification for 1st to 4th times, SC notification for 5th time).
  • During movement from home, the home position was detected for longer than a predetermined pulse (Jam notification for 1st to 4th times, SC notification for 5th time).

SC721-58

B

Bundle Transport 1 Release Motor Error

SC721-59

B

Bundle Transport 2 Release Motor Error

  • During movement to home, the home position could not be detected within a predetermined pulse (Jam notification for 1st to 4th times, SC notification for 5th time).
  • During movement from home, the home position was detected for longer than a predetermined pulse  (Jam notification for 1st to 4th times, SC notification for 5th time).

SC721-80

B

Folding Transport Motor Error

  • Motor driver detects an error (short-circuit or overheating) (1st time is SC)

SC721-70

B

Tray 1 Lift Motor Error

  • Motor driver detects an error (short-circuit or overheating) (1st time is SC).
  • During descent, the paper surface sensor still detects paper even after a predetermined time elapses (Jam notification for 1st to 4th times, SC notification for 5th time).
  • During ascent, the paper surface sensor could not detect the paper surface even after a predetermined time elapses  (Jam notification for 1st to 4th times, SC notification for 5th time).

SC721-71

B

Shift Motor 1 Error

  
  • During movement to home, the home position could not be detected within a predetermined pulse (Jam notification for 1st to 4th times, SC notification for 5th time).
  • During movement from home, the home position was detected for longer than a predetermined pulse (Jam notification for 1st to 4th times, SC notification for 5th time).
SC721-80BFolding Transport Motor Error
Motor driver detects an error (short-circuit or overheating) (1st time is SC)

SC721-81

B

Paper Guide Drive Motor Error

  • During movement to home, the home position could not be detected within a predetermined pulse (Jam notification for 1st to 4th times, SC notification for 5th time).
  • During movement from home, the home position was detected for longer than a predetermined pulse  (Jam notification for 1st to 4th times, SC notification for 5th time).
  
  • Overcurrent (-03 only)
  • Staple jam (-44 only)
  • Encoder error (-11, -11, -25, -44)
  • Motor defective
  • Connecter disconnected, or loose
  • Motor overload
  • HP sensor defective
  • Paper surface sensor defective (-70 only)

Check if the SC occurs by opening/closing covers, and input/output check. If the SC occurs again, do the following steps. Check if the SC reoccurs by cycling the power after each step.

  • The target parts are the motor and related HP sensor that SC occurred.
  1. Check if the connector of the target part is connected securely. Reconnect the connector if it is disconnected, or loose.
  2. Check the harness for the target part. Replace the harness if it is disconnected, or damaged.
  3. Check if the motor runs, sensors turn OFF/ON, has no overloads, and is properly driven. Replace the parts if there are any defects.
  4. Check if there are any signs of a short circuit. Replace the parts if there are any defects.

SC No.

Type

Error Name/Error Condition/Major Cause/Solution

SC721

 

Booklet Finisher SR3270 Error

SC721-06

C

Access error to NVRAM

Error occurs when accessing NV memory.

  

Connection failure or malfunction of NV memory

  

Check if the SC occurs by turning the main power OFF then ON. If the SC occurs again, do the following steps.

  1. Pull out and reinsert the NV memory to check if the NV memory is correctly inserted into the IC socket. If the SC cannot be recovered, replace the main board.

SC No.

Type

Error Name/Error Condition/Major Cause/Solution

SC722

 

Finisher SR3260 Error

SC722-03

B

Protection Device Intercept Error 1

Fuse blowout is detected
SC722-04BProtection Device Intercept Error 2

Fault signal of interlock system protection device (high-side switch) detected when power on.

SC722-06

C

See the descriptions next table below.

SC722-10

B

Transport Motor 1 Error

Motor driver detects an error state (DC motor control error)  (Jam notification for 1st to 4th times, SC notification for 5th time).

SC722-11

B

Transport Motor 2 Error

Motor driver detects an error state (DC motor control error)  (Jam notification for 1st to 4th times, SC notification for 5th time).

SC722-17

B

Paper Eject Motor 2 Error

Motor driver detects an error state (DC motor control error)  (Jam notification for 1st to 4th times, SC notification for 5th time).

SC722-24

B

Paper Exit Guide Plate Open/Close motor Error

  • During movement to home, the home position could not be detected within a predetermined pulse  (Jam notification for 1st to 4th times, SC notification for 5th time).
  • During movement from home, the home position was detected for longer than a predetermined pulse  (Jam notification for 1st to 4th times, SC notification for 5th time).

SC722-25

B

Punch Drive Motor Error

  • During movement to home, the home position could not be detected within a predetermined time  (Jam notification for 1st to 4th times, SC notification for 5th time).
  • During movement from home, the home position was detected even after a predetermined time elapsed  (Jam notification for 1st to 4th times, SC notification for 5th time).
  • Output from the encoder could not be counted for a predetermined number of times within a predetermined time  (Jam notification for 1st to 4th times, SC notification for 5th time).

SC722-27

B

Punch Movement Motor Error

SC722-28

B

Punch Horizontal Registration Detection Error

SC722-30

B

Jogger Motor 1 Error

SC722-33

B

Positioning Roller Motor Error

SC722-41

B

Release Motor Error

  • During movement to home, the home position could not be detected within a predetermined pulse  (Jam notification for 1st to 4th times, SC notification for 5th time).
  • During movement from home, the home position was detected even after a predetermined pulse elapsed  (Jam notification for 1st to 4th times, SC notification for 5th time).

SC722-42

B

Stapler Retreat Motor Error

  • During movement to home, the home position could not be detected within a predetermined pulse (Jam notification for 1st to 4th times, SC notification for 5th time).
  • During movement from home, the home position was detected even after a predetermined pulse elapsed (Jam notification for 1st to 4th times, SC notification for 5th time).
  • During movement from home, retreat sensor ON could not be detected even after a predetermined pulse elapsed (Jam notification for 1st to 4th times, SC notification for 5th time).
  • During initialization, retreat sensor ON was detected simultaneously when the home position is detected (Jam notification for 1st to 4th times, SC notification for 5th time).

SC722-44

B

Stapler Motor Error

  • Motor driver detects an error (short-circuit or overheating) (1st time is SC).
  • During movement to home, the home position could not be detected even after a predetermined time elapsed (Jam notification for 1st to 4th times, SC notification for 5th time).
  • During movement from home, the home position was detected even after a predetermined time elapsed (Jam notification for 1st to 4th times, SC notification for 5th time).
  • During motor drive, the output from the encoder could not be counted for a predetermined number of times within a predetermined time (Jam notification for 1st to 4th times, SC notification for 5th time).

SC722-45

B

Stapleless Stapler Transfer Motor Error

  
  • Motor driver detects an error (short-circuit or overheating) (1st time is SC).
  • During movement to home, the home position could not be detected within a predetermined pulse (Jam notification for 1st to 4th times, SC notification for 5th time).
  • During movement from home, the home position was detected even after a predetermined pulse elapsed (Jam notification for 1st to 4th times, SC notification for 5th time).

SC722-46

B

Stapleless Stapler Motor Error

  • Motor driver detects an error (short-circuit or overheating) (1st time is SC).
  • During movement to home, the home position could not be detected even after a predetermined time elapsed (Jam notification for 1st to 4th times, SC notification for 5th time).
  • During movement from home, the home position was detected even after a predetermined time elapsed (Jam notification for 1st to 4th times, SC notification for 5th time).

SC722-47

B

Paper Guide Drive Motor Error

  • During movement to home, the home position could not be detected within a predetermined pulse (Jam notification for 1st to 4th times, SC notification for 5th time).
  • .During movement from home, the home position was detected for longer than a predetermined pulse (Jam notification for 1st to 4th times, SC notification for 5th time).

SC722-70

B

Tray 1 Lift Motor Error

  • Motor driver detects an error (short-circuit or overheating) (1st time is SC).
  • During descent, the paper surface sensor still detects paper even after a predetermined time (t0sec) elapses (Jam notification for 1st to 4th times, SC notification for 5th time).
  • During ascent, the paper surface sensor could not detect the paper surface even after a predetermined time (t0sec) elapses (Jam notification for 1st to 4th times, SC notification for 5th time).

SC722-71

B

Shift Motor 1 Error

SC722-81

B

Paper Guide Motor

  
  • During movement to home, the home position could not be detected within a predetermined pulse (Jam notification for 1st to 4th times, SC notification for 5th time).
  • During movement from home, the home position was detected for longer than a predetermined pulse (Jam notification for 1st to 4th times, SC notification for 5th time).
  
  • Overcurrent (-03 only)
  • Staple jam (-44 only)
  • Encoder error (-11, -11, -25, -44)
  • Motor defective
  • Connecter disconnected, or loose
  • Motor overload
  • HP sensor defective
  • Paper surface sensor defective (-70 only)
  

Check if the SC occurs by opening/closing covers, and input/output check. If the SC occurs again, do the following steps. Check if the SC reoccurs by cycling the power after each step.

  • The target parts are the motor and related HP sensor that SC occurred.
  1. Check if the connector of the target part is connected securely. Reconnect the connector if it is disconnected, or loose.
  2. Check the harness for the target part. Replace the harness if it is disconnected, or damaged.
  3. Check if the motor runs, sensors turn OFF/ON, has no overloads, and is properly driven. Replace the parts if there are any defects.
  4. Check if there are any signs of a short circuit. Replace the parts if there are any defects.

SC No.

Type

Error Name/Error Condition/Major Cause/Solution

SC722

 

Finisher SR3260 Error

SC722-06

C

Access error to NVRAM

Error occurs when accessing NV memory.

  

Connection failure or malfunction of NV memory

  

Check if the SC occurs by turning the main power OFF then ON. If the SC occurs again, do the following steps.

  1. Pull out and reinsert the NV memory to check if the NV memory is correctly inserted into the IC socket. If the SC cannot be recovered, replace the main board.

SC No.

Type

Error Name/Error Condition/Major Cause/Solution

SC723

 

Internal Finisher SR3300 Error

SC723-03

B

Power Supply Error

When original source 24V power supply is ON, protection device intercept of non-interlock power supply system is detected.

A motor failure or harness short-circuit occur in the non-interlock power supply system.

  • Replace the short-circuited harnesses
  • Replace the protection devices

SC723-10

B

Transport Motor Error

The DCM driver error detection is started after reset, and predetermined milliseconds error signal is detected (Jam notification for 1st to 4th times, SC notification for 5th time).

  • Transport Motor failure
  • Harness short-circuit
  • Circuit board failure
  • Over current
  • Abnormal temperature
  • Replace the motor
  • Replace the harness
  • Replace the circuit board.

SC723-20

B

Junction Gate Motor Error

When the junction gate HP sensor was not turned off while predetermined seconds applied to the junction gate motor with the HP sensor turned on (Jam notification for 1st to 4th times, SC notification for 5th time).

When the junction gate HP sensor was not turned on while predetermined seconds applied to the junction gate motor with the HP sensor turned off (Jam notification for 1st to 4th times, SC notification for 5th time).

  • Junction Gate Motor failure
  • Connector disconnected
  • Over load
  • Junction gate HP sensor error
  • Check the connection
  • Replace the motor/sensor
  • Replace the harness

SC723-24

B

Exit Paper Pressure Motor Error

When the exit paper pressure HP sensor was not turned off while predetermined seconds applied to the exit pressure release motor with the HP sensor turned on (Jam notification for 1st to 4th times, SC notification for 5th time).

When paper output pressure HP sensor was not turned on while predetermined seconds applied to the exit pressure release motor with the HP sensor turned off (Jam notification for 1st to 4th times, SC notification for 5th time).

  • Exit Pressure Release Motor failure
  • Connector disconnected
  • Over load
  • Exit pressure release HP sensor error
  • Check the connection
  • Replace the motor/sensor
  • Replace the harness

SC723-44

B

Stapler Motor Error

When the stapler drive HP sensor was not turned off while predetermined seconds applied to the stapler motor with the HP sensor turned on (Jam notification for 1st to 4th times, SC notification for 5th time).

When stapler drive HP sensor was not turned on while predetermined seconds applied to the stapler motor with the HP sensor turned off (Jam notification for 1st to 4th times, SC notification for 5th time).

The STM driver error detection is started after reset, and predetermined seconds error signal is detected (Jam notification for 1st to 4th times, SC notification for 5th time).

  • Stapler Motor failure
  • Connector disconnected
  • Stapler Motor overload
  • Stapler HP sensor error
  • Harness short-circuit
  • Circuit board failure
  • Excess current
  • Abnormal temperature
  • Check the connection
  • Replace the motor/sensor
  • Replace the harness
  • Replace the circuit board

SC723-71

B

Shift Motor Error

When the shift HP sensor was not turned off while predetermined seconds applied to the shift motor with the HP sensor turned on (Jam notification for 1st to 4th times, SC notification for 5th time).

When shift HP sensor was not turned on while predetermined seconds applied to the shift motor with the HP sensor turned off (Jam notification for 1st to 4th times, SC notification for 5th time).

The STM driver error detection is started after reset, and predetermined seconds error signal is detected (Jam notification for 1st to 4th times, SC notification for 5th time).

  • Shift Motor failure
  • Connector disconnected
  • Shift Motor overload
  • Shift HP sensor error
  • Harness short-circuit
  • Circuit board failure
  • Excess current
  • Abnormal temperature

Check if the SC occurs by opening/closing covers, and input/output check. If the SC occurs again, do the following steps. Check if the SC reoccurs by cycling the power after each step.

  • The target parts are the motor and related HP sensor that SC occurred.
  1. Check if the connector of the target part is connected securely. Reconnect the connector if it is disconnected, or loose.
  2. Check the harness for the target part. Replace the harness if it is disconnected, or damaged.
  3. Check if the motor runs, sensors turn OFF/ON, has no overloads, and is properly driven. Replace the parts if there are any defects.
  4. Check if there are any signs of a short circuit. Replace the parts if there are any defects.

SC No.

Type

Error Name/Error Condition/Major Cause/Solution

SC724

 

Internal Finisher SR3250 Error

SC724-03BProtection Device Intercept Error 1 (Internal Finisher)

Failure to supply power to fuse and later circuits (parts) of finisher controller board detected when power on.

SC724-04BProtection Device Intercept Error 2 (Internal Finisher)

Fault signal of interlock system protection device (high-side switch) detected when power on.

SC724-24

B

Paper Exit Guide Plate Open/Close Motor Error

  • When paper exit guide plate open/close motor is driven for specified time (msec.) after paper exit guide plate HP sensor ON, the HP sensor does not switch OFF (Jam notification for 1st to 4th times, SC notification for 5th time).
  • When paper exit guide plate open/close motor is driven for specified time (msec.) after paper exit guide plate HP sensor OFF, the HP sensor does not switch ON (Jam notification for 1st to 4th times, SC notification for 5th time).

SC724-25

B

Punch Motor Error

  • When punch motor is driven for specified time (msec.) after punch HP sensor ON, the HP sensor does not switch OFF (Jam notification for 1st to 4th times, SC notification for 5th time).
  • When punch motor is driven for specified time (msec.) after punch HP sensor OFF, the HP sensor does not switch ON (Jam notification for 1st to 4th times, SC notification for 5th time).

SC724-27

B

Punch Displacement Motor Error

  • When punch displacement motor is driven for specified time (msec.) when punch displacement HP sensor is ON, the HP sensor does not switch OFF (Jam notification for 1st to 4th times, SC notification for 5th time).
  • When punch displacement motor is driven for specified time (msec.) when punch displacement HP sensor is OFF, the HP sensor does not switch ON (Jam notification for 1st to 4th times, SC notification for 5th time).

SC724-28

B

Punch Horizontal Registration Detection Motor Error

  • When horizontal registration displacement motor is driven for specified time (msec.) when horizontal registration displacement HP sensor is ON, the HP sensor does not switch OFF (Jam notification for 1st to 4th times, SC notification for 5th time).
  • When horizontal registration displacement motor is driven for specified time (msec.) when horizontal registration displacement HP sensor is OFF, the HP sensor does not switch ON (Jam notification for 1st to 4th times, SC notification for 5th time).

SC724-31

B

Jogger Front Motor Error

  • When front jogger motor is driven for specified time (msec.) when front jogger HP sensor is ON, the HP sensor does not switch OFF (Jam notification for 1st to 4th times, SC notification for 5th time).
  • When front jogger motor is driven for specified time (msec.) when front jogger HP sensor is OFF, the HP sensor does not switch ON (Jam notification for 1st to 4th times, SC notification for 5th time).

SC724-32

B

Jogger Rear Motor Error

  • When rear jogger motor is driven for specified time (msec.) when rear jogger HP sensor is ON, the HP sensor does not switch OFF (Jam notification for 1st to 4th times, SC notification for 5th time).
  • When rear jogger motor is driven for specified time (msec.) when rear jogger HP sensor is OFF, the HP sensor does not switch ON (Jam notification for 1st to 4th times, SC notification for 5th time).

SC724-33

B

Positioning Roller Motor Error

  • During initialization/positioning roller descent, even when the positioning roller motor is driven for specified time (msec.) when the positioning roller HP sensor is ON, the HP sensor does not switch OFF (Jam notification for 1st to 4th times, SC notification for 5th time).
  • During initialization, even when the positioning roller motor is driven for specified time (msec.) when the positioning roller HP sensor is OFF, the HP sensor does not switch ON (Jam notification for 1st to 4th times, SC notification for 5th time).
  • When the positioning roller is lifted from the press position, even when driven for specified time (msec.), the HP sensor does not switch ON (Jam notification for 1st to 4th times, SC notification for 5th time).

SC724-38

B

Paper Press Motor Error

  • When the paper press HP sensor is ON and the paper press motor is driven for specified time (msec.), the HP sensor does not switch OFF (Jam notification for 1st to 4th times, SC notification for 5th time).
  • When the paper press HP sensor is OFF and the paper press motor is driven for specified time (msec.), the HP sensor does not switch ON (Jam notification for 1st to 4th times, SC notification for 5th time).

SC724-42

B

Stapler Displacement Movable Motor Error

  • Sifter stapler displacement HP sensor ON, even when the stapler retreat motor is driven for specified time (msec.), the HP sensor does not switch OFF (Jam notification for 1st to 4th times, SC notification for 5th time).
  • After stapler displacement HP sensor OFF, even when the stapler retreat motor is driven for specified time (msec.), the HP sensor does not switch ON (Jam notification for 1st to 4th times, SC notification for 5th time).

SC724-70

B

Shift Tray Ascent/Descent Motor Error

  • During ascent from paper surface sensor ON, even after specified time (msec.) elapses, the paper surface sensor does not switch OFF (Jam notification for 1st to 4th times, SC notification for 5th time).
  • During descent from paper surface sensor OFF, the paper surface sensor does not switch ON even after specified time (msec.) elapses (Jam notification for 1st to 4th times, SC notification for 5th time).
  • During descent to the packing position, the full sensor does not switch ON even if the specified time (msec.) elapses.

SC724-71

B

Shift Motor Error (Internal Shift Tray SH3080)

  

The level of shift sensor output does not change when the shift motor is driven for 186 msec. after the motor in turned ON.

  
  • Motor defective
  • Connector disconnected
  • Motor overload
  • Home position sensor error
  • Paper surface sensor error (*SC724-38, 70 only)
  • Staple jam (*SC724-86 only)

Check if the SC occurs by opening/closing covers, and input/output check. If the SC occurs again, do the following steps. Check if the SC reoccurs by cycling the power after each step.

  • The target parts are the motor and related HP sensor that SC occurred.
  1. Check if the connector of the target part is connected securely. Reconnect the connector if it is disconnected, or loose.
  2. Check the harness for the target part. Replace the harness if it is disconnected, or damaged.
  3. Check if the motor runs, sensors turn OFF/ON, has no overloads, and is properly driven. Replace the parts if there are any defects.
  4. Check if there are any signs of a short circuit. Replace the parts if there are any defects.

SC No.

Type

Error Name/Error Condition/Major Cause/Solution

SC724

 

Internal Finisher SR3250 Error

SC724-80

B

Shift Motor Error

  
  • When the shift roller HP sensor is ON, the HP sensor does not switch OFF even when the shift roller motor is driven for specified time (msec.) (Jam notification for 1st to 4th times, SC notification for 5th time).
  • When the shift roller HP sensor is OFF, the HP sensor does not switch ON even when the shift roller motor is driven for specified time (msec.) (Jam notification for 1st to 4th times, SC notification for 5th time).
SC724-81BCooling Fan Motor Lock
In the motor ON state, the value of the lock sensor is checked.

SC724-86

B

Stapler Motor Error

  • HP sensor does not switch OFF even when the stapler motor is driven for specified time (msec.) after the stapler HP sensor switches ON (Jam notification for 1st to 4th times, SC notification for 5th time).
  • HP sensor does not switch ON even when the stapler motor is driven for specified time (msec.) after the stapler HP sensor switches OFF (Jam notification for 1st to 4th times, SC notification for 5th time).
  
  • Motor defective
  • Connector disconnected
  • Motor overload
  • Home position sensor error
  • Paper surface sensor error (*SC724-38, 70 only)
  • Staple jam (*SC724-86 only)

Check if the SC occurs by opening/closing covers, and input/output check. If the SC occurs again, do the following steps. Check if the SC reoccurs by cycling the power after each step.

  • The target parts are the motor and related HP sensor that SC occurred.
  1. Check if the connector of the target part is connected securely. Reconnect the connector if it is disconnected, or loose.
  2. Check the harness for the target part. Replace the harness if it is disconnected, or damaged.
  3. Check if the motor runs, sensors turn OFF/ON, has no overloads, and is properly driven. Replace the parts if there are any defects.
  4. Check if there are any signs of a short circuit. Replace the parts if there are any defects.
SC No.

Type

Error Name/Error Condition/Major Cause/Solution

SC727

 

Internal Multi-Fold Unit FD3010 Error

SC727-01

B

Connection Error to Downstream Unit







Communication error has occurred with the serial interface of the downstream unit.

This is displayed as an SC code from its initial detection.

  • Harness defective
  • Downstream unit defective
  • Controller board defective
  • I/F connector defective 

Remove the jammed paper or slip of paper from the tray, and check if the SC occurs by turning the main power OFF then ON. If the SC occurs again, do the following steps. Check if the SC reoccurs by cycling the power after each step.

  1. Turn the power off, disconnect the interface connector connected to the machine, connect the interface connector of the downstream unit to the machine, and then turn the power on.

  2. If the downstream unit does not operate, resulting in connection error, there is a problem with the downstream unit, so repair the downstream unit.
  3. Check the harness connections between the controller board and each connector. Replace the harness if it is damaged, or connect it if it is disconnected.
  4. Check if there are any signs of a short circuit. Replace the parts if there are any defects.
SC727-03BProtection Device Intercept Error 1






  • Fuse (FU3) break is detected
  • 24-V power supply line error 

This is displayed as an SC code from its initial detection.

  • Fuse (FU3) is blowout
  • Controller board defective 

  • 24-V harness entrapment (short circuit)

Remove the jammed paper or slip of paper from the tray, and check if the SC occurs by turning the main power OFF then ON. If the SC occurs again, do the following steps. Check if the SC reoccurs by cycling the power after each step.

  • The target parts are all the motors and the sensors.
  1. Check that the harness between the PCB and motor/solenoid is not stripped or entrapped. Replace the harness if there are any defects. 
  2. Rotate each motor shaft by hand to check for any overload. Replace the motor if there are any defects.
  3. Check if there is any unusual odor from the solenoid or any problem with its appearance. Replace the solenoid if there are any defects.
  4. Check if there are any signs of a short circuit on PCB. Replace the PCB if there are any defects.
SC727-04BProtection Device Intercept Error 2






  • Poly-switch (FU4) break is detected
  • Limit line disturbances from inrush currents has occurred to the interlock system.

    This is displayed as an SC code from its initial detection. 

  •  Poly-switch (FU4) trip (Trip refers to the phenomenon whereby an overcurrent flows into the poly-switch, resulting in high resistance.) 
  • Controller board defective 
  •   24-V harness entrapment (short circuit) 

Remove the jammed paper or slip of paper from the tray, and check if the SC occurs by turning the main power OFF then ON, submitting a job, feeding paper, opening/closing covers, and input/output check. If the SC occurs again, do the following steps. Check if the SC reoccurs by cycling the power after each step.

  • The target parts are all the motors and the sensors.
  1. Check that the harness between the PCB and the motor/solenoid is not stripped or entrapped. Replace the harness if there are any defects. 
  2. Rotate each motor shaft by hand to check for any overload. Replace the motor if there are any defects.
  3. Check if there is any unusual odor from the solenoid or any problem with its appearance. Replace the solenoid if there are any defects.
  4. Check if there are any signs of a short circuit on PCB. Replace the PCB if there are any defects.
SC727-06CNVRAM Error 1
  

An error has occurred during an access to the NVRAM.

 This is displayed as an SC code from its initial detection.

NVRAM is disconnected, or defective

Turn the main power OFF then ON after checking whether there are no foreign objects (such as remaining paper) in the tray. If the SC occurs again, replace the controller board.

SC727-10BTransport Motor Error






Motor error (Encoder error)  (Jam notification for 1st to 4th times, SC notification for 5th time)

  • Motor defective
  •  Motor harness entrapped (short circuit or breaking of wire) 
  • Connector disconnected
  • Controller board defective

Remove the jammed paper or slip of paper from the tray, and check if the SC occurs by turning the main power OFF then ON, submitting a job, feeding paper, opening/closing covers, and input/output check. If the SC occurs again, do the following steps. Check if the SC reoccurs by cycling the power after each step

  1. Check if all connectors between the controller board and the motors are connected securely. Reconnect the connectors if they are disconnected, or loose.
  2. Replace the harness if it is disconnected, or damaged.
  3. Check if the motor runs, has no overloads, and is properly driven. Replace the parts if there are any defects.
  4. Check if there are any signs of a short circuit. Replace the parts if there are any defects.
SC727-12BRegistration Motor Error






Motor error (Encoder error) (Jam notification for 1st to 4th times, SC notification for 5th time)

  • Motor defective
  • Motor harness entrapped (short circuit or breaking of wire) 
  • Connector disconnected
  • Controller board defective

Remove the jammed paper or slip of paper from the tray, and check if the SC occurs by turning the main power OFF then ON, submitting a job, feeding paper, opening/closing covers, and input/output check. If the SC occurs again, do the following steps. Check if the SC reoccurs by cycling the power after each step.

  1. Check if all connectors between the controller board and the motors are connected securely. Reconnect the connectors if they are disconnected, or loose. 
  2. Replace the harness if it is disconnected, or damaged.
  3. Check if the motor runs, has no overloads, and is properly driven. Replace the parts if there are any defects.
  4. Check if there are any signs of a short circuit. Replace the parts if there are any defects.
SC727-20BJG Crease Motor Error 1






  • Motor error (Encoder error)
  • The junction gate is not at the HP position. 
    (Jam notification for 1st to 4th times, SC notification for 5th time).
  • Motor defective
  •  Motor/sensor harness entrapped (short circuit or breaking of wire) 
  • Connector disconnected
  • Junction Solenoid HP Sensor defective
  • Controller board defective

Remove the jammed paper or slip of paper from the tray, and check if the SC occurs by turning the main power OFF then ON, submitting a job, feeding paper, opening/closing covers, and input/output check. If the SC occurs again, do the following steps. Check if the SC reoccurs by cycling the power after each step.

  1. Check if all connectors between the controller board and the motors/sensors are connected securely. Reconnect the connectors if they are disconnected, or loose. 
  2. Replace the harness if it is disconnected, or damaged.
  3. Check if the motor runs, has no overloads, and is properly driven. Replace the parts if there are any defects.
  4. Check if the sensor turns OFF/ON. Replace the parts if there are any defects.
  5. Check if there are any signs of a short circuit. Replace the parts if there are any defects.
 
SC727-39B1st Fold Motor Error






Motor error (Encoder error)

(Jam notification for 1st to 4th times, SC notification for 5th time).

  • Motor defective
  • Motor harness entrapped (short circuit or breaking of wire)
  • Connector disconnected
  • Controller board defective

Remove the jammed paper or slip of paper from the tray, and check if the SC occurs by turning the main power OFF then ON, submitting a job, feeding paper, opening/closing covers, and input/output check. If the SC occurs again, do the following steps. Check if the SC reoccurs by cycling the power after each step.

  1. Check if all connectors between the controller board and the motors are connected securely. Reconnect the connectors if they are disconnected, or loose. 
  2. Replace the harness if it is disconnected, or damaged.
  3. Check if the motor runs, has no overloads, and is properly driven. Replace the parts if there are any defects.
  4. Check if there are any signs of a short circuit. Replace the parts if there are any defects.
SC727-41BJG Crease Motor Error 2






  • Motor error (Encoder error)
  •  Crease Roller is not at the HP position. 

(Jam notification for 1st to 4th times, SC notification for 5th time).

  • Motor defective

  • Motor/sensor harness entrapped (short circuit or breaking of wire)

    Connector disconnected
  • Crease HP Sensor defective
  • Controller board defective

Remove the jammed paper or slip of paper from the tray, and check if the SC occurs by turning the main power OFF then ON, submitting a job, feeding paper, opening/closing covers, and input/output check. If the SC occurs again, do the following steps. Check if the SC reoccurs by cycling the power after each step.

  1. Check if all connectors between the controller board and the motors/sensors are connected securely. Reconnect the connectors if they are disconnected, or loose. 
  2. Replace the harness if it is disconnected, or damaged.
  3. Check if the motor runs, has no overloads, and is properly driven. Replace the parts if there are any defects.
  4. Check if the sensor turns OFF/ON. Replace the parts if there are any defects.
  5. Check if there are any signs of a short circuit. Replace the parts if there are any defects.
SC727-71B2nd Fold Motor Error






Encoder error 

(Jam notification for 1st to 4th times, SC notification for 5th time).

  • Motor defective
  • Motor harness entrapped (short circuit or breaking of wire) 
  • Connector disconnected
  • Controller board defective

Remove the jammed paper or slip of paper from the tray, and check if the SC occurs by turning the main power OFF then ON, submitting a job, feeding paper, opening/closing covers, and input/output check. If the SC occurs again, do the following steps. Check if the SC reoccurs by cycling the power after each step.

  1. Check if all connectors between the controller board and the motors are connected securely. Reconnect the connectors if they are disconnected, or loose. 
  2. Replace the harness if it is disconnected, or damaged.
  3. Check if the motor runs, has no overloads, and is properly driven. Replace the parts if there are any defects.
  4. Check if there are any signs of a short circuit. Replace the parts if there are any defects.
SC727-72B

The power supply for the sensor is defective.







 The power supply for the sensor (5V_SN) is defective.

 This is displayed as an SC code from its initial detection.

  • Sensor harness entrapped (short circuit or breaking of wire)  
  • Sensor defective
  • Controller board defective

Turn the main power OFF then ON after checking whether there are no foreign objects (such as remaining paper) in the tray. If the SC occurs again, do the following steps. Check if the SC reoccurs by cycling the power after each step.

  1. Check if the harness is connected to the wrong sensor. Reconnect the connector if there are any defects. 
  2. Replace the harness if it is disconnected, or damaged. 
  3. Check if the sensor turns OFF/ON. Replace the parts if there are any defects.
  4. Check if the motor runs, has no overloads, and is properly driven. Replace the parts if there are any defects.
  5. Check if there are any signs of a short circuit. Replace the parts if there are any defects.

SC No.

Type

Error Name/Error Condition/Major Cause/Solution

SC761

 

Bridge Unit BU3090  or Side Tray Type M37 Error

SC761-03

B

Protection Device Intercept Error 5V

SC761-04

B

Protection Device Intercept Error 24V

  

Fuse blowout occurs due to over current during power injection (output detected for longer than 2 seconds).

  • Over current of bridge unit motor
  • Over current due to short-circuit in PCB
  • Replace the bridge unit or side tray
  • Replace the PCB of bridge unit or side tray

SC No.

Type

Error Name/Error Condition/Major Cause/Solution

SC780-01

D

Bank 1 (Upper optional paper tray) Protection Device Intercept Error

  

When original source of 5V power supply is ON, protection device intercept of 24V power system is detected.

In 24V power supply system:

  • Motor defective
  • Solenoid defective
  • Harness short- circuit

Remove the jammed paper or slip of paper from the tray, and check if the SC occurs by turning the main power OFF then ON. If the SC occurs again, do the following steps. Check if the SC reoccurs by cycling the power after each step.

  1. Check if all connectors in tray 1, 2, and optional upper tray are connected securely. Reconnect the connectors if they are disconnected, or loose.
  2. Check the harness in tray 1, 2, and optional upper tray. Replace the harness if it is disconnected, or damaged.
  3. Check if the motor runs, has no overloads, and is properly driven. Replace the parts if there are any defects.
  4. Check if there are any signs of a short circuit. Replace the parts if there are any defects.

SC No.

Type

Error Name/Error Condition/Major Cause/Solution

SC781-01

D

Bank 2 (Lower optional paper tray) Protection Device Intercept Error

  

When original source of 5V power supply is ON, protection device intercept of 24V power system is detected.

In 24V power supply system:

  • Motor defective
  • Solenoid defective
  • Harness short- circuit

Remove the jammed paper or slip of paper from the tray, and check if the SC occurs by turning the main power OFF then ON. If the SC occurs again, do the following steps. Check if the SC reoccurs by cycling the power after each step.

  1. Check if all connectors in tray 1, 2, and optional upper/lower trays are connected securely. Reconnect the connectors if they are disconnected, or loose.
  2. Check the harness in tray 1, 2, and optional upper/lower trays. Replace the harness if it is disconnected, or damaged.
  3. Check if the motor runs, has no overloads, and is properly driven. Replace the parts if there are any defects.
  4. Check if there are any signs of a short circuit. Replace the parts if there are any defects.

SC No.

Type

Error Name/Error Condition/Major Cause/Solution

SC791-00

D

No bridge unit when finisher is present

  

When power supply is switched on or paper is transported, finisher set is detected but bridge unit set is not detected.

(during internal finisher SR3250 connection, not detected)

  • Bridge unit not attached
  • Bridge unit defective
  • Reset the bridge unit
  • Turn the main power OFF/ON.

SC No.

Type

Error Name/Error Condition/Major Cause/Solution

SC792-00

B

No finisher, bridge unit provided

  

When power supply is switched on, it is recognized there is no finisher, and a bridge unit is fitted.

  • Finisher connector set incorrectly
  • In a machine which has a bridge unit connected, a finisher is not fitted
  • Finisher defective

Connect finisher or disconnect bridge unit, and turn the main power OFF/ON.

SC No.

Type

Error Name/Error Condition/Major Cause/Solution

SC793-01

B

 

Unsupported device (ADF) attached.

 

  

 

Unsupported ADF attached.

 

  • Finisher connector set incorrectly
  • In a machine which has a bridge unit connected, a finisher is not fitted
  • Finisher defective

 

This is caused by attaching an unsupported model.

 

 

Check the product name of the ADF and attach the correct optional ADF.

 

SC No.

Type

Error Name/Error Condition/Major Cause/Solution

SC793-02

B

 

Unsupported peripheral device (for paper feeding) attached.

  

 

Unsupported peripheral device (for paper feeding) attached.

 

  • Finisher connector set incorrectly
  • In a machine which has a bridge unit connected, a finisher is not fitted
  • Finisher defective

 

 

This is caused by attaching an unsupported model.

Check the product name of the optional paper tray and attach the correct optional paper tray.

 

 

 

Fault signal of interlock system protection device (high-side switch) detected when power on.