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
Summary of Contents for WorkCentre Pro 423
Page 2: ......
Page 3: ...WorkCentre Pro 423 428 6HUYLFH 0DQXDO...
Page 6: ......
Page 8: ......
Page 9: ...INTRODUCTION...
Page 10: ......
Page 24: ...WorkCentre 423 428 03 02 INTRODUCTION 14 7 Translation of Warnings...
Page 25: ...CHAPTER 1 SERVICE CALL PROCEDURE...
Page 26: ......
Page 28: ...WorkCentre Pro 423 428 1 2 CHAPTER 1 SERVICE CALL PROCEDURE 03 02 1 1 Trimming...
Page 31: ...CHAPTER 2 TROUBLESHOOTING...
Page 32: ......
Page 76: ...WorkCentre Pro 423 428 2 44 CHAPTER 2 TROUBLESHOOTING 03 02 2 3 Level 2 Troubleshooting...
Page 243: ...CHAPTER 3 IMAGE QUALITY TROUBLESHOOTING...
Page 244: ......
Page 273: ...CHAPTER 4 DISASSEMBLY ASSEMBLY AND ADJUSTMENT...
Page 274: ......
Page 329: ...CHAPTER 5 PARTS LIST...
Page 330: ......
Page 415: ...03 02 5 2 Parts List WorkCentre Pro 423 428 5 85 CHAPTER 5 PARTS LIST...
Page 416: ...CHAPTER 6 GENERAL...
Page 417: ......
Page 456: ...CHAPTER 7 ELECTRICAL WIRING DIAGRAMS...
Page 457: ......
Page 476: ...CHAPTER 8 ACCESSORIES...
Page 477: ......
Page 535: ...WorkCentre Pro 423 428 8 58 CHAPTER 8 ACCESSORIES 03 02 8 22 Stamp Kit Red...
Page 536: ...CHAPTER 9 BSD Block Schematic Diagram...
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