Magnification - Gestetner A193 Service Manual

COPY ADJUSTMENT PRINTING/SCANNING

11.2.2 Magnification

NOTE: Use an OS-A3 test chart to perform the following adjustment.
1) Main 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, and adjust it using the following SP mode if
necessary. The specification is ± 1%.
SP mode
Main Scan Magnification
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, and adjust it using the following SP mode if
necessary. The specification is ± 1%.
SP mode
Sub Scan Magnification
(A193)
A
B
A: Main Scan Magnification
B: Sub Scan Magnification
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