Target Part/SP No.:Fusing Entrance Sensor (S1) / SP5-803-001

Cause verification

Problem Judgement

Execute an INPUT check when there is no paper at the position of the referenced sensor.

0 :Paper detected

Execute an INPUT check when there is paper at the position of the referenced sensor.

1: Paper not detected

Solution:

  • Clean the sensor.
  • Reconnect the connector.
  • Replace the sensor.
  • Replace the Paper Transport IOB (PCB1).
  • Replace the harness.
Target Part/SP No.: PCU: Black / Image Transfer Motor (M17) / SP5-804-136 (Transfer Drum Motor K: Standard Speed)

Cause verification

Problem Judgement

Turn the referenced motor OFF with OUTPUT check

Drive sound heard

Turn the referenced motor ON with OUTPUT check

Drive sound not heard

Solution:

  • Reconnect the connector.
  • Replace the motor.
  • Replace the Imaging IOB (PCB2).
  • Replace the harness.
Checking Paper Jam, or Paper Transfer Unit

Check if there is no double feeding.

Fan the paper.

Check the edges of the discharge plate to see if it is deformed or broken.

Reattach or replace the discharge plate.