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2-35
Confidential
Error code 71
Detected an error in the synchronized signal of the polygon motor for the laser unit.
Error code 72
Cannot detect the signal from the beam sensor for the laser unit.
Error code 73 and 74
These errors do not usually occur in the normal use. The conceivable causes are noise
around the installation site, fluctuation of the power supply voltage, and failures in the
software.
An unidentified error occurred.
Print Unable 71
Turn the power off and then back on again.
Print Unable 72
Turn the power off and then back on again.
<User Check>
• There is a possibility that the condensation has occurred. Turn OFF the power, and
leave the machine at least one hour in a well-ventilated place. And then turn ON the
power.
Step
Cause
Remedy
1
Correction value error of the
laser unit
Enter the correction value of the laser unit
correctly.
2
Connection failure of the laser
unit flat cable
Reconnect the laser unit flat cable.
3
Main PCB failure
Replace the main PCB ASSY.
4
Laser unit failure
Replace the laser unit.
---
<User Check>
• Turn OFF the power switch, and turn it ON again after a while.
Step
Cause
Remedy
1
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 ...