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Confidential
9-31
(I-4) All black
User Check
(1) Clean the corona wire of the drum unit.
(2) The drum unit may be damaged. Install a new drum unit.
Possible cause
Step
Check
Result
Remedy
Ground
contacts
1
Is the corona wire dirty?
Yes
Clean the corona wire
with the wire cleaner.
2
Is the corona wire broken?
Yes
Replace the drum unit.
Corona failure
3
Are the charge electrodes
between the machine body
and the drum unit dirty?
Yes
Clean both electrodes.
Harness
connection
4
Is the laser unit connected
to the main PCB correctly?
No
Connect the harness
between the laser unit
and the main PCB
correctly.
High-voltage
power supply
PCB failure
5
Is the problem solved after
replacing the high-voltage
power supply PCB?
Yes
Replace the high-
voltage power supply
PCB.
Main PCB
failure
6
Is the problem solved after
replacing the main PCB?
Yes
Replace the main PCB.
Laser unit
failure
7
Is the problem solved after
replacing the laser unit?
Yes
Replace the laser unit.
Содержание DCP 8060
Страница 1: ...Confidential FACSIMILE EQUIPMENT SERVICE MANUAL MODELS MFC 8460N 8860DN 8870DW DCP 8060 8065DN ...
Страница 19: ...Confidential CHAPTER 1 PARTS NAMES FUNCTIONS ...
Страница 28: ...Confidential CHAPTER 2 SPECIFICATIONS ...
Страница 65: ...Confidential CHAPTER 3 THEORY OF OPERATION ...
Страница 92: ...Confidential CHAPTER 4 TRANSFER OF DATA LEFT IN THE MACHINE TO BE SENT FOR REPAIR ...
Страница 95: ...Confidential 4 2 Cover page sample End page sample ...
Страница 96: ...Confidential CHAPTER 5 DISASSEMBLY REASSEMBLY AND LUBRICATION ...
Страница 164: ...Confidential 5 63 5 1 46 Panel Cover ASSY 1 Remove the Panel cover ASSY Fig 5 79 Panel cover ASSY Hooks ...
Страница 185: ...Confidential 5 84 7 Remove the Support lap from the Process cover Fig 5 119 Support lap Process cover ...
Страница 246: ...Confidential CHAPTER 6 ADJUSTMENTS AND UPDATING OF SETTINGS REQUIRED AFTER PARTS REPLACEMENT ...
Страница 292: ...Confidential CHAPTER 7 CLEANING ...
Страница 294: ...Confidential CHAPTER 8 MAINTENANCE MODE ...
Страница 302: ...8 7 Confidential For white and black scanning a b c d e f g h i j ...
Страница 303: ...8 8 Confidential For color scanning Fig 8 3 Scanning Compensation Data List a b c d e f g h i j k l m n o p q s ...
Страница 314: ...8 19 Confidential Cover page sample End page sample Fig 8 10 ...
Страница 323: ...Confidential CHAPTER 9 ERROR INDICATION AND TROUBLESHOOTING ...
Страница 458: ...B Power Supply PCB 100V Confidential ...
Страница 459: ...B Power Supply PCB 200V Confidential ...
Страница 495: ...January 06 SM FAX049 8C5B03 9 Printed in Japan ...