Ricoh D0BN IMC4500

• 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

A: Leading Edge Registration
B: Side-to-side Registration

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