Image Adjustments; Scanning; Scanner Sub-Scan Magnification; Scanner Leading Edge And Side-To-Side Registration - Ricoh B132 Service Manual

IMAGE ADJUSTMENTS

3.19 IMAGE ADJUSTMENTS

3.19.1 SCANNING

Before doing the following scanner adjustments, perform or check the printing
registration/side-to-side adjustment and the blank margin adjustment. Use a C4
test chart to perform the following adjustments.

Scanner sub-scan magnification

1. Place the test chart on the exposure glass and
make a copy.
2. Check the magnification ratio. Use SP4008 (Sub
Scan Mag) to adjust if necessary. Standard: ±1.0%.

Scanner leading edge and side-to-side registration

1. Place the test chart on the exposure glass and make
a copy.
2. Check the leading edge and side-to-side registration.
3. Adjust with the following SP modes if necessary.
Standard: 0 ± 2mm.
Sub Scan Reg
Main Scan Reg
B132/B200
SP mode
SP4010 001
SP4011 001
3-174
A
B146R962.WMF
A: Sub-scan magnification
A
B
B146R963.WMF
A: Leading Edge Registration
B: Side-to-side Registration
SM