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Confidential
9-29
(I-2) Dark
User Check
(1) Check the paper used meets the recommended paper specifications.
(2) Check the machine’s environment. High temperature and high humidity
conditions can increase the amount of background shading.
(3) Clean the corona wire with the wire cleaner.
(4) Try installing a new toner cartridge or drum unit.
Possible cause
Step
Check
Result
Remedy
Ground
contacts
Corona failure
(contact
failure)
1
Are the charge electrodes
between the machine body
and the drum unit dirty?
Yes Clean both electrodes.
Drum unit
failure
2
Is the problem solved after
replacing the drum unit?
Yes Replace the drum unit
with a new one.
Toner
cartridge
failure
3
Is the problem solved after
replacing the toner
cartridge?
Yes Replace the toner
cartridge with a new
one.
High-voltage
power supply
PCB failure
4
Is the connections of the
connector between the
high-voltage power supply
PCB and the main PCB
secured correctly?
Yes Replace the high-
voltage power supply
PCB.
Main PCB
failure
5
Are there any disconnected
connectors?
No
Replace the main 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 ...