COPY ADJUSTMENTS: PRINTING/SCANNING
SM 3-53 B121 Series/B259 Series
Replacement
Adjustment
3.13.2 SCANNING
NOTE:
1) Before doing the following scanner adjustments, check and adjust the
printing leading-edge and side-to-side registrations and the printing
blank margins (as described above).
2) Use an 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 as necessary
using the following SP modes.
SP mode Specification
Leading edge SP4-010
2 ± 1.5 mm
Side-to-side SP4-011
2 ± 1.5 mm
Magnification
Main Scan Magnification
1. Place the A3 test chart on the exposure glass and make a copy from one of the
feed stations.
2. Check the magnification ratio. If necessary, adjust the magnification using the
following SP mode.
SP mode Specification
Main Scan Magnification SP4-009
± 1.0%
B
A
B121R507.WMF
A
B
B121R508.WMF
A: Main scan magnification
B: Sub-scan magnification
A: Leading edge registration
B: Side-to-side registration
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