Scanning; Registration: Platen Mode; Magnification - Ricoh B234 Service Manual

COPY IMAGE ADJUSTMENT: PRINTING/SCANNING
3.18.3

SCANNING

NOTE: 1) Before doing the following scanner adjustments, check the printing
registration/side-to-side adjustment and the blank margin adjustment.
2) Use an OS-A3 test chart to perform the following adjustments.

Registration: Platen Mode

1. Place the test chart on the exposure glass and make a copy from one of the
feed stations.
2. Check the leading edge and side-to-side registration, and adjust them using the
following SP modes if necessary.
Leading Edge
Side-to-side

Magnification

NOTE: Use an OS-A3 test chart to perform the following adjustment.
Scanner Sub Scan Magnification
1. Place the test chart on the exposure glass and make a copy from one of the
feed stations.
2. Check the magnification ratio, and adjust it using the following SP mode if
necessary. The specification is within ±1%.
Scanner Sub Scan Magnification
SP mode
SP4010
SP4011
A: Leading Edge Registration
B: Side-to-side Registration
SP mode
SP4008
A: Sub Scan Magnification
3-190
A
B
B234R884.WMF
A
B234R883.WMF
MF