2-67
Confidential
Faulty registration
Dark
<User Check>
- Check that the appropriate media type is selected in the
driver.
Step
Cause
Remedy
1
Adjusted value of the laser unit is
incorrect.
"2.1 Entering the Adjusted Value of
adjusted value of the laser unit again.
2
Registration rear actuator catching on
some position
Correct the position of the registration rear
actuator.
<User Check>
- Check the machine's environment. High temperature and high
humidity or low temperature and low humidity conditions can cause
this problem.
- Adjust the density by the Density Adjustment.
- Clean the corona wire of the drum unit.
- Replace the drum unit with a new one.
- Replace the toner cartridge with a new one. Replacing the relatively
new toner cartridge with a used toner cartridge can cause this
problem.
- If this problem occurs immediately after deep sleep mode is
released, install the latest firmware. If installing the firmware is not
possible, open and close the front cover, and then retry printing after
the main motor has stopped.
Step
Cause
Remedy
1
Dirt on electrodes of the drum unit
and those of the machine
Clean the electrodes of the drum unit and
those of the machine. (Refer to
and
.)
2
High voltage power supply PCB
failure
Replace the high voltage power supply PCB
ASSY.
3
Laser unit failure
Replace the laser unit.
4
Main PCB failure
Replace the main PCB ASSY.
Содержание FAX-2950
Страница 20: ...Confidential CHAPTER 1 SPECIFICATIONS ...
Страница 35: ...Confidential CHAPTER 2 TROUBLESHOOTING ...
Страница 45: ...2 8 Confidential 2 2 2 Scanning part Fig 2 4 ...
Страница 122: ...Confidential CHAPTER 3 DISASSEMBLY REASSEMBLY ...
Страница 130: ...3 6 Confidential 5 LUBRICATION There are no applicable parts for lubrication ...
Страница 136: ...3 12 Confidential 3 New toner sensor PCB ASSY New toner sensor PCB ASSY Main PCB ASSY Guide ...
Страница 140: ...3 16 Confidential 8 Main fan High voltage power supply PCB ASSY Guide Main fan Tape Hole of guide Hole of guide ...
Страница 143: ...3 19 Confidential 12 Speaker unit Guide Speaker harness Guide Guides Guides Speaker unit Main PCB ASSY ...
Страница 153: ...3 29 Confidential 9 3 Cord hook 1 Turn the two cord hooks and then remove them from the machine Fig 3 12 Cord hooks ...
Страница 204: ...Confidential CHAPTER 4 ADJUSTMENTS AND UPDATING SETTINGS AS REQUIRED AFTER PARTS REPLACEMENT ...
Страница 217: ...Confidential CHAPTER 5 SERVICE FUNCTIONS ...
Страница 224: ...5 5 Confidential Black and white color scanning Fig 5 1 ...
Страница 263: ...Confidential CHAPTER 6 WIRING DIAGRAM ...
Страница 266: ...Confidential CHAPTER 7 PERIODICAL MAINTENANCE ...
Страница 267: ...Confidential CHAPTER 7 PERIODICAL MAINTENANCE CONTENTS 1 PERIODICAL REPLACEMENT PARTS 7 1 ...
Страница 268: ...7 1 Confidential 1 PERIODICAL REPLACEMENT PARTS There are no parts to be replaced periodically ...
Страница 269: ...Confidential APPENDIX 1 SERIAL NUMBERING SYSTEM ...
Страница 273: ...Confidential APPENDIX 3 INSTALLING MAINTENANCE DRIVER ...
Страница 275: ...Confidential APPENDIX 4 HOW TO MAKE PROTECTIVE MATERIAL FOR DRUM UNIT ...