Ricoh K-C3 - ADF Image Adjustment

B245/B276/B277/B268/B269 Service Manual 18-Jan-06
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2. Check the magnification ratio. If necessary, adjust the magnification using
the following SP mode.
SP mode Specification
Main Scan Magnification SP 4009 1.0%
- Sub-Scan Magnification -
1. Place the OS-A3 test chart on the exposure glass and make a copy from
one of the feed stations.
2. Check the magnification ratio. If necessary, adjust the magnification with the
following SP mode.
SP mode Specification
Sub-scan magnification SP 4008 1.0%
- Standard White Density Adjustment -
This procedure adjusts the standard white density level. Do this adjustment after you do any
of the following:
 After you replace the standard white plate.
 After you replace the NVRAM on the BICU. (But note that you do not need to carry out
this adjustment if you have replaced the BICU itself but retained the previous NVRAM
board [by moving it over onto the new BICU].)
 After you perform a memory all clear (SP 5801 2)
Procedure:
1. Place 10 sheets of new A4/LTR paper (sideways, LEF) or new A3/DLT paper on the
exposure glass, and close the platen cover or the ADF.
2. Enter SP 4428 1 and select “1: YES”. The machine automatically adjusts the
standard white density.
ADF Image Adjustment
A: Leading edge registration