WorkCentre Pro 423/428
4-20
CHAPTER 4 DISASSEMBLY/ASSEMBLY AND ADJUSTMENT
03/02
4.2 Disassembly and Assembly
2. Remove the Exit Chute Assembly. (Figure-1)
1) Remove the screws (3).
2) Remove the Exit Chute Assembly.
(Figure-1) j0hn4604
3. Remove the Heater Rod. (Figure-2)
1) Remove the screws (2).
2) Remove the Heater Rod together with the Heat
Roll.
3) Pull out the Heater Rod.
(Figure-2) j0hn4605
Installation
Procedure
1. Perform the removal steps in reverse order.
7. Electrical
REP 7.2.1 MCU/SW PWB Assembly
Ref. PL: PL7.2
Replacement
On printer or Fax-equipped machines, ensure that
outstanding jobs have cleared before servicing or
interrupting the power to the machine as follows:.
•
FAX equipped machines: Ensure that the “Job in
Memory” indicator on the control panel goes out.
Press “Job Status:Stop” button and confirm that the
job has cleared from the “Current Jobs” folder.
•
Printer machines: Ensure that “Ready to print or
fax” is indicated on the printer control panel.
CAUTION
Be careful not to damage parts by static electricity.
Electronic parts may be damaged by static electricity. Be
sure to wear a wristband when handling electronic parts. If
no wristband is available, touch the metal frame before work
to eliminate static electricity as far as possible.
Note
If the replacement of IIT/IPS PWB (PL3.1)
also becomes necessary, do this work first.
1.Before replacement, take a note of the IOT
adjustment and setting values stored in NVM of
MCU/SW PWB. (After replacement, enter the
adjustment and setting values into MCU/DSW
PWB.)
2.If necessary, take a note of the contents of IOT-
related HFSI counter, FAIL/JAM history, and
FAIL/JAM counter.
WARNING
Switch off the machine and disconnect the
power cord.
3.Replace the MCU/SW PWB.
4.Extract all the paper trays.
Ref.
This is to prevent printing immediately
after power-on.
5.Connect the power cable and turn the power on.
Содержание WorkCentre Pro 423
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Страница 3: ...WorkCentre Pro 423 428 6HUYLFH 0DQXDO...
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Страница 9: ...INTRODUCTION...
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Страница 24: ...WorkCentre 423 428 03 02 INTRODUCTION 14 7 Translation of Warnings...
Страница 25: ...CHAPTER 1 SERVICE CALL PROCEDURE...
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Страница 28: ...WorkCentre Pro 423 428 1 2 CHAPTER 1 SERVICE CALL PROCEDURE 03 02 1 1 Trimming...
Страница 31: ...CHAPTER 2 TROUBLESHOOTING...
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Страница 76: ...WorkCentre Pro 423 428 2 44 CHAPTER 2 TROUBLESHOOTING 03 02 2 3 Level 2 Troubleshooting...
Страница 242: ...WorkCentre Pro 423 428 2 210 CHAPTER 2 TROUBLESHOOTING 03 02 How to use the Diagnostic C E Mode...
Страница 243: ...CHAPTER 3 IMAGE QUALITY TROUBLESHOOTING...
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Страница 273: ...CHAPTER 4 DISASSEMBLY ASSEMBLY AND ADJUSTMENT...
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Страница 329: ...CHAPTER 5 PARTS LIST...
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Страница 415: ...03 02 5 2 Parts List WorkCentre Pro 423 428 5 85 CHAPTER 5 PARTS LIST...
Страница 416: ...CHAPTER 6 GENERAL...
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Страница 456: ...CHAPTER 7 ELECTRICAL WIRING DIAGRAMS...
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Страница 476: ...CHAPTER 8 ACCESSORIES...
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Страница 535: ...WorkCentre Pro 423 428 8 58 CHAPTER 8 ACCESSORIES 03 02 8 22 Stamp Kit Red...
Страница 536: ...CHAPTER 9 BSD Block Schematic Diagram...
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