Confidential
9-30
(I-3) Completely blank
Possible cause
Step
Check
Result
Remedy
Ground
contacts
Developing
bias contact
failure
1
Are the developing bias
contacts between the
machine body and drum
unit dirty?
Yes Clean the electrodes at
both sides.
Yes Clean the shaft and the
electrode.
Drum unit
2
Are the drum shaft and
drum electrode of the
machine body connected
correctly?
No
Check the connection
between the shaft and
the electrode.
Drum unit
failure
3
Is the problem solved after
replacing the drum unit?
Yes Replace the drum unit.
Toner
cartridge
failure
4
Is the problem solved after
replacing the toner
cartridge?
Yes Replace the toner
cartridge with a new
one.
Scanner
harness
connection
failure
5
Is the scanner harness
connected securely?
(Check if there is any play
in the connection.)
No
Reconnect the connector
correctly.
Main PCB
failure
6
Are printing signals being
input to the laser unit?
Is the problem solved after
replacing the main PCB?
Yes Replace the main PCB.
Yes Replace the laser unit.
Laser unit
failure
7
Is the scanner interlock
lever damaged?
Is the scanner mirror
broken or loose?
No
Replace the high-
voltage power supply
PCB.
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 ...