• Check and perform the image position adjustment before you do the following scanner adjustments. (Refer to Image Position Adjustment)
  • Use a C4 test chart to do the following adjustments.

Scanner leading edge and side-to-side registration
  1. Put the test chart on the exposure glass. Then make a copy from one of the feed stations.

    A: Leading Edge Registration

    B: Side-to-side Registration

  2. Check the leading edge and side-to-side registration.

    A: 4.2 ± 2mm
    B: 2.0 ± 1mm 

  3. Adjust the following SP modes if necessary.

    Name

    SP mode

    Leading edge registration (Home Position Adj Value)

    SP4-803-001

    Side-to-Side Registration (Main Scan Reg)

    SP4-011-001

Scanner magnification

 

  1. Put the test chart on the exposure glass. Then make a copy from one of the feed stations.

    A: Sub-scan magnification

  2. Check the magnification ratio.
    Standard:
    • Normal mode for main-scan: ±0.55% or less 
    • Normal mode for sub-scan: ±1.00% or less 
    • Reduction mode for main-scan: ±1.00% or less
    • Enlargement mode for main-scan: ±1.00% or less
  3. Adjust with SP4-008 if necessary.

Scanner shading correction
  1. Turn the power OFF and then ON.
    The shading correction is executed automatically when the machine is rebooted.