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4.20.2 SCANNING
Check the printing registration/side-to-side adjustment and the blank margin adjustment before you do the following scanner adjustments.
Use a C4 test chart to do the following adjustments.
Scanner Sub-scan Magnification
A: Sub-scan magnification
1. Put the test chart on the exposure glass. Then make a copy from one of the feed stations.
2. Check the magnification ratio. Adjust with SP4-008 if necessary. Standard: ±1.0%.
Scanner Leading Edge and Side-to-side Registration
A: Leading Edge Registration
1. Put the test chart on the exposure glass. Then make a copy from one of the feed stations.
2. Check the leading edge and side-to-side registration. Adjust the following SP modes if necessary.
Standard: 0 ± 2mm for the leading edge registration, 0 ± 2.5mm for the side-to-side registration.