Scanning - Gestetner A294 Service Manual

Rev. 02/2000

6.13.3 SCANNING

NOTE: 1) Before doing the following scanner adjustments, check the printing
registration/side-to-side adjustment and the blank margin adjustment.
2) 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 using the
following SP modes if necessary.
Leading Edge
Side-to-side
Magnification
NOTE: Use an OS-A3 test chart to perform the following adjustment.
Scanner 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 within ±1%.
Scanner Sub Scan Magnification
SM
CÓPIA NÃO CONTROLADA
COPY IMAGE ADJUSTMENT: PRINTING/SCANNING
SP mode
SP4-010
SP4-011
A: Leading Edge Registration
B: Side-to-side Registration
SP mode
SP4-008
A: Sub Scan Magnification
6-123
CÓPIA NÃO CONTROLADA
A
B
A294R635.WMF
A
A294R636.WMF
A294/A295