Ricoh A-C4 - Scanning; Registration: Platen Mode; Magnification

20 June 2005 COPY ADJUSTMENTS: PRINTING/SCANNING
3-95
Replacement
Adjustment
3.21.2 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 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 with the
following SP modes if necessary.
SP mode
Leading Edge SP4-010
Side-to-side SP4-011
Magnification
Use an OS-A3 test chart to perform the following adjustment.
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 (Scanner
Sub Scan Magnification) to adjust if necessary.
Specification: ±0.9%.
B
A
B195R832.WMF
A
B195R9833.WMF
A
: Leading Edge Registration
B: Side-to-side Registration
A
: Main scan magnification