Registration: Platen Mode - Ricoh B064 Service Manual

COPY IMAGE ADJUSTMENTS: PRINTING/SCANNING
3.14.2 SCANNING
Before doing the following scanner adjustments, perform or check the printing
registration/side-to-side adjustment and the blank margin adjustment.
NOTE: Use an S-5-S 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 with the following SP modes if
necessary.
SP No. Name
SP4010
Scanner
Leading Edge
Registration
SP4011 Scanner Side-
to-Side
Registration
Magnification
Use an OS-A3 test chart to perform the following adjustment.
Main Scan Magnification
1. Place the test chart on the exposure glass and make a
copy from one of the feed stations.
2. Check magnification, and then SP2909 001 (Main
Scan Magnification - Copy) to adjust magnification if
required. Specification: ±2%.
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. Use SP4008 (Scanner
Sub Scan Magnification) to adjust if necessary.
Specification: ±0.9%.
B064/B065
A: Leading Edge Registration
B: Side-to-side Registration
Initial Comment
A positive value shifts the image away from the
0 leading edge, a negative value shifts it toward
the leading edge.
A positive value shifts the image toward the
0 right edge, a negative value shifts it toward the
left edge.
3-128
Rev. 10/2002
A
B
B064R948.WMF
A
B064R940.WMF
A: Main scan magnification
SM