COPY IMAGE ADJUSTMENTS: PRINTING/SCANNING 15 February 2006
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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 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 No. Name Initial Comment
SP4010 Scanner
Leading Edge
Registration
0
A positive value shifts the image away from the
leading edge, a negative value shifts it toward
the leading edge.
SP4011 Scanner Side-
to-Side
Registration
0
A positive value shifts the image toward the
right edge, a negative value shifts it toward the
left edge.
Magnification
Use an S-5-S 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%.
B
A
B140R889.WMF
A
B140R890.WMF
A: Leading Edge Registration
B: Side-to-side Registration
A: Main scan magnification
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