Ricoh TH-C1b, Руководство по обслуживанию

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10 February 2005 COPY ADJUSTMENT
3-61
Replacement
Adjustment
3.12.2 SCANNING
Before doing the following scanner adjustments, perform or check the printing
registration/side-to-side adjustment and the blank margin adjustment.
NOTE: Use 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 from one of the feed stations.
2. Check the magnification ratio. Use SP4-008 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 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. Standard: 0
±
2 mm.
SP mode
Sub-scan SP4-010
Main-scan SP4-011
A
B156R293.WMF
B
A
B156R294.WMF
A: Sub-scan magnification