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Confidential
9-41
(I-16) Black spots
User Check
(1) If the problem is not solved after printing a few pages, the drum unit may
have glue from label stock on the exposure drum surface. Refer to Step 1
in the table below and
in the previous page.
(2) The drum unit may be damaged. Install a new drum unit.
Possible cause
Step
Check
Result
Remedy
Ground
contacts
Dirt on the
document
glass
1
Is the document glass dirt?
Yes Clean the document
glass.
Drum unit
2
Are the spots at 94.2mm
intervals?
(The problem is not solved
after printing a few pages.)
Yes 1) If toner or glue
remains stuck, wipe it
off gently with a
cotton swab. (Refer
to
previous page.)
2) If the exposure drum
is scratched or
deteriorated
(exposed), replace the
drum unit.
Drum
connection
failure
3
Is the contact between the
drum unit and machine
body connected correctly?
No
Clean contact electrode
both on the drum unit
and in the machine
body.
Fuser unit
4
Are the spots at 79mm
intervals?
(The problem is not solved
after printing a few pages.)
Yes 1) Check and clean the
heat roller with a
cloth dampened with
alcohol.
2) Replace the fuser
unit.
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.
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 ...