1-42
Confidential
■
Ghost
■
Fogging
CAUTION:
This problem often occurs when the drum unit or toner cartridge is nearly at the end of life.
User Check
• Check the machine's environment, conditions such as high or low
humidity may cause this situation to occur.
• Check that the appropriate media type or size is selected in the
printer driver.
• Replace the drum unit with a new one.
Step
Cause
Check
Result
Remedy
1
Dirt on cleaner
electrode
Are the electrodes of the
drum unit and machine
body dirty?
Yes
Clean both electrodes.
(
Refer to
)
2
HVPS PCB
failure
Is the problem solved
after replacing the
HVPS PCB ASSY?
Yes
Replace the HVPS PCB
ASSY.
User Check
• Replace the toner cartridge with a new one.
• Replace the drum unit with a new one.
• Do not use acid paper.
• Check if there is dust or paper powder in the machine.
Step
Cause
Check
Result
Remedy
1
Toner sensor
failure (Machine
body)
Is the toner sensor
performed normally by
following the procedure
in
(Chapter 5).
No
Replace the toner sensor
PCB unit ASSY and the
toner LED PCB ASSY.
2
HVPS PCB
failure
Is the problem solved
after replacing the
HVPS PCB ASSY?
Yes
Replace the HVPS PCB
ASSY.
3
Main PCB failure
Is the problem solved
after replacing the main
PCB ASSY?
Yes
Replace the main PCB
ASSY.
Содержание DCP-7030
Страница 78: ...2 2 Confidential 2 PERIODICAL PEPLACEMENT PARTS There are no parts to be replaced periodically ...
Страница 133: ...3 55 Confidential 8 12 8 ADDRESS LABEL 1 Remove the Address label from the Panel unit Fig 3 53 Address label Panel unit ...
Страница 150: ...3 72 Confidential 8 27 FILTER ASSY 1 Remove the Filter ASSY from the Main body Fig 3 72 Filter ASSY Front side ...
Страница 178: ...3 100 Confidential 8 39 RUBBER FOOT 1 Remove the two Rubber feet from the Main body Fig 3 104 Rubber foot Front side ...
Страница 201: ...5 5 Confidential Print sample Fig 5 1 ...
Страница 226: ...5 30 Confidential Location of fans Fig 5 13 Fan motor 60 unit Right side ...
Страница 233: ...6 1 Confidential CHAPTER 6 CIRCUIT DIAGRAMS WIRING DIAGRAM High voltage Power Supply PCB Circuit Diagram ...
Страница 234: ...6 2 Confidential LVPS PCB Circuit Diagram 100V ...
Страница 235: ...6 3 Confidential LVPS PCB Circuit Diagram 200V ...
Страница 239: ...6 7 Confidential Wiring Diagram ...