Xerox WorkCentre Pro 423, Руководство по обслуживанию

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WorkCentre Pro 423/428 4-48 CHAPTER 4 DISASSEMBLY/ASSEMBLY AND ADJUSTMENT
03/02 4.3 Adjustment
ADJ 3.1.3DADF Registration
Purpose To set up lead edge (in the slow scan
direction) and side registration (in the Fast scan
direction) for DADF scanning positions (Document
scanning positions).
Check
1. Load the Test Chart 499T281 on the DADF face up.
Make a 100% copy onto A4 paper.
2. (Figure-1) Check that the registrations are as
follows:
•
l Lead Edge Registration : 7.0±1.5mm
•
l Side Registration : 7.0±2.1mm
(Figure-1) j0hn4a27
Adjustment
1. Enter the C/E mode.
2. Change a set value for Chain/Function Codes (for
LE or Side) to be adjusted.
[Lead Edge Registration: Codes “21/80”]
•
l When the measured value is shorter:
•
Decrease the value.
•
l When the measured value is longer:
•
Increase the value.
Min Nominal Max
Set range 0
-5mm 40
±0mm 79
+5mm
Changes 0.127mm/
1Step 0.127mm/
1Step 0.127mm/
1Step
[Side Registration: Codes “21/82”]
•
l When the measured value is shorter: Increase the
value.
•
l When the measured value is longer: Decrease the
value.
Min Nominal Max
Set range 0
0mm 45
1.90mm 196
8mm
Changes 0.04mm/
1Step 0.04mm/
1Step 0.04mm/
1Step
ADJ 3.1.4 Magnification Adjustment SEF (Slow
Scan Direction)
Purpose To obtain a proper magnification in vertical
(slow scan) direction on 100% ratio.
<Flow of Magnification Adjustment in vertical (slow
scan) direction>
[1.] IOT Vertical Magnification Adjustment (Main Motor
speed adjustment)
•
l Chain Code 50 Function Code 28
[2.] IIT Vertical Magnification Adjustment (Scan Motor
speed adjustment)
•
l Chain Code 21 Function Code 1
[3.] DADF Vertical Magnification Adjustment (Document
Feed speed adjustment) (DADF equipped)
•
l Chain Code 21 Function Code 83
[4.] DADF Vertical Magnification Adjustment on sending
Fax (Document Feed speed adjustment on sending
Fax) (DADF equipped)
•
l Chain Code 21 Function Code 84