2-59
Confidential
■
Error code 71
Laser unit polygon motor error.
Error code 72
Beam detecting sensor (Black/Yellow) error of the laser unit.
Error code 73
Beam detecting sensor (Cyan/Magenta) error of the laser unit.
<User Check>
- Open the front and rear covers and leave them for 30 minutes or more with the power ON.
After that, close the front and rear covers and turn OFF and ON the power switch.
■
Error code 74
(This error can be found out only in
The color toner reached the end of life during printing.
<User Check>
- Replace the toner cartridge which reached the end of life with a new one.
Print Unable 71
Turn the power off and then back on again.
Print Unable 72
Turn the power off and then back on again.
Print Unable 73
Turn the power off and then back on again.
Step
Cause
Remedy
1
Harness connection failure of
laser unit
Check the harness connections (at three
locations) of the laser unit and reconnect
them.
2
Laser unit failure
Replace the laser unit.
3
Engine PCB failure
Replace the engine PCB ASSY.
4
Main PCB failure
Replace the main PCB ASSY.
Replace Toner
Open the Front Cover, replace Toner Cartridge.
Step
Cause
Remedy
1
Toner/New sensor PCB failure
(Toner empty)
Check the sensor performance following
the procedure described in
. If any problem occurs, replace the
Toner/New sensor PCB ASSY.
2
Engine PCB failure
Replace the engine PCB ASSY.
3
Main PCB failure
Replace the main PCB ASSY.
Summary of Contents for 09055CDN
Page 22: ...Confidential CHAPTER 1 SPECIFICATIONS ...
Page 37: ...Confidential CHAPTER 2 ERROR INDICATION AND TROUBLESHOOTING ...
Page 47: ...2 8 Confidential ADF part A4 model Fig 2 6 Left side Right side Document feed path Face up ...
Page 48: ...2 9 Confidential ADF part Legal model Fig 2 7 Left side Right side Document feed path Face up ...
Page 180: ...Confidential CHAPTER 3 DISASSEMBLY AND ASSEMBLY ...
Page 211: ...3 28 Confidential 8 DISASSEMBLY FLOW Disassembly Re Assembly second ...
Page 212: ...3 29 Confidential Disassembly Re Assembly second ...
Page 416: ...Confidential CHAPTER 4 ADJUSTMENTS AND UPDATING OF SETTINGS REQUIRED AFTER PARTS REPLACEMENT ...
Page 436: ...Confidential CHAPTER 5 SERVICE FUNCTIONS ...
Page 445: ...5 7 Confidential Black and white scanning First side Front Fig 5 1 ...
Page 446: ...5 8 Confidential Black and white scanning Second side Back Fig 5 2 ...
Page 447: ...5 9 Confidential Color scanning First side Front Fig 5 3 ...
Page 448: ...5 10 Confidential Color scanning Second side Back Fig 5 4 ...
Page 475: ...5 37 Confidential Cover page sample Fig 5 18 End page sample Fig 5 19 ...
Page 482: ...5 44 Confidential Inter color position alignment adjustment chart Fig 5 23 ...
Page 491: ...5 53 Confidential Color test pattern Fig 5 28 MCYK Y C K M YCMK_ _A ...
Page 512: ...Confidential CHAPTER 6 CIRCUIT DIAGRAMS WIRING DIAGRAM ...
Page 514: ...6 1 Confidential 1 CIRCUIT DIAGRAMS High voltage Power Supply PCB Circuit Diagram 1 3 ...
Page 515: ...6 2 Confidential High voltage Power Supply PCB Circuit Diagram 2 3 ...
Page 516: ...6 3 Confidential High voltage Power Supply PCB Circuit Diagram 3 3 ...
Page 517: ...6 4 Confidential Low voltage Power Supply PCB Circuit Diagram 100V ...
Page 518: ...6 5 Confidential Low voltage Power Supply PCB Circuit Diagram 200V ...
Page 519: ...6 6 Confidential NCU PCB Circuit Diagram U S A Canada ...
Page 520: ...6 7 Confidential NCU PCB Circuit Diagram Europe Oceania ...
Page 521: ...6 8 Confidential NCU PCB Circuit Diagram China Asia South Africa Gulf ...
Page 523: ...Confidential CHAPTER 7 PERIODICAL MAINTENANCE ...
Page 581: ...Confidential APPENDIX 1 SERIAL NUMBERING SYSTEM ...
Page 585: ...Confidential APPENDIX 3 INSTALLING THE MAINTENANCE DRIVER ...
Page 589: ...App 3 4 Confidential 10 Alert warning message appears click Continue Anyway to proceed ...