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3-21
Confidential
■
Error code 76
Rapid temperature rising failure (center thermistor)
Error code 78
Rapid temperature falling failure (center thermistor)
■
Error code 7A
No detection of main motor synchronous signal
■
Error code 7D
Dirt on corona wire (detect discharge error)
Print Unable 76
Turn the power off and then back on again.
Print Unable 78
Turn the power off and then back on again.
Step
Cause
Remedy
1
Fuser unit failure
Replace the fuser unit.
2
Main PCB failure
Replace the main PCB ASSY.
Print Unable 7A
See Troubleshooting and routine maintenance chapter in User's
Guide.
Step
Cause
Remedy
1
Motor failure
Replace the main motor.
2
Main PCB failure
Replace the main PCB ASSY.
Drum Error
Open the Front Cover and slide the blue tab across the Drum Unit
several times.
<User Check>
• Clean the corona wire in the drum unit.
• Replace the drum unit with a new one.
Step
Cause
Remedy
1
Dirt or dust on drum unit
electrodes
Clean the electrodes of the main body and
the drum unit. (
Refer to Fig. 3-3
2
Charge HVPS PCB failure
Replace the charge HVPS PCB ASSY.
3
Main PCB failure
Replace the main PCB ASSY.
Содержание DCP 8085DN
Страница 13: ...CHAPTER 1 SPECIFICATIONS ...
Страница 52: ...Confidential CHAPTER 2 THEORY OF OPERATION ...
Страница 69: ...2 16 Confidential 3 3 Paper Feeding Fig 2 18 LT path DX path MP path Paper tray path ...
Страница 89: ...CHAPTER 3 ERROR INDICATION AND TROUBLESHOOTING ...
Страница 178: ...Confidential CHAPTER 4 PERIODICAL MAINTENANCE ...
Страница 204: ...4 25 Confidential 23 Secure the Fuser unit with the pan B M4x20 Taptite screw Fig 4 37 Taptite pan B M4x20 Fuser unit ...
Страница 248: ...CHAPTER 5 DISASSEMBLY REASSEMBLY ...
Страница 265: ...5 12 Confidential Fig 5 7 EM2 4 places Separation pad ASSY ...
Страница 291: ...5 38 Confidential 38 Driver PCB Battery CIS model Main PCB Battery harness Drive PCB Battery Driver harness ...
Страница 400: ...5 147 Confidential 9 11 3 Printed Rubber Key 1 Remove the Printed rubber key Fig 5 170 Printed rubber key Panel cover ...
Страница 452: ...5 199 Confidential 9 33 Thermistor ASSY 1 Remove the Thermistor ASSY from the Frame L Fig 5 242 Frame L Thermistor ASSY ...
Страница 501: ...Confidential CHAPTER 6 ADJUSTMENTS AND UPDATING OF SETTINGS REQUIRED AFTER PARTS REPLACEMENT ...
Страница 507: ...6 5 Confidential 8 Alert warning message of WHQL appears Click Continue Anyway to proceed ...
Страница 516: ...CHAPTER 7 SERVICE MODE ...
Страница 525: ...7 7 Confidential For color scanning Fig 7 2 ...
Страница 527: ...7 9 Confidential For white and black scanning Fig 7 3 ...
Страница 528: ...7 10 Confidential For color scanning Fig 7 4 ...
Страница 567: ...Confidential CHAPTER 8 CIRCUIT DIAGRAMS WIRING DIAGRAM ...
Страница 569: ...8 1 Confidential 1 CIRCUIT DIAGRAMS High voltage Power Supply PCB Circuit Diagram Fig 8 1 ...
Страница 570: ...8 2 Confidential LVPS PCB Circuit Diagram 230V Fig 8 2 ...
Страница 571: ...8 3 Confidential LVPS PCB Circuit Diagram 115V Fig 8 3 ...