2-117
Confidential
4.3.2 Troubleshooting image defect
Image defect related problems are end user recoverable if following the User Check items. If
the same problem occurs again, follow each procedure in the order of the number described in
the Step column in the tables below.
■
Light on the whole page
<User Check>
• Check the usage environment of the machine. Using the machine in
hot-humid or cold-dry conditions can cause this problem.
• If the whole page is light, toner save mode may be ON. Turn OFF the
toner save mode.
• Adjust the color calibration from the control panel.
• Replace the drum unit with a new one.
• Replace the toner cartridge with a new one.
• Replace the belt unit with a new one.
• Turn ON the power switch, and leave the machine for a while
(condensation).
• Check if paper is not damp.
• Use specified paper.
Step
Cause
Remedy
1
Dirt on the electrodes of the
drum unit and those of the
machine
Clean the electrodes of the drum unit and
those of the machine. (Refer to
2
Dirt on the electrodes of the
high-voltage power supply
PCB and those of the
machine
Clean the electrodes of the high-voltage
power supply PCB and those of the machine.
3
Dirt on the density sensor
Clean the registration mark sensor L.
4
Density sensor failure
Replace the registration mark sensor L PCB.
5
Fuser unit failure
Replace the fuser unit.
6
High-voltage power supply
PCB failure
Replace the high-voltage power supply PCB.
7
Main PCB failure
Replace the main PCB.
Содержание DCP-L3510CDW
Страница 46: ...2 10 Confidential 2 2 2 Scanner part Fig 2 6 Left side Right side Document feed path ...
Страница 50: ...2 14 Confidential Fig 2 8 Document scanning position sensor Document detection sensor ADF cover sensor ...
Страница 155: ...2 119 Confidential Electrodes location of belt unit Fig 2 16 ...
Страница 193: ...3 2 Confidential 2 PACKING Pad upper R Pad upper L Carton Pad bottom Option carton upper ...
Страница 203: ...3 12 Confidential 4 Lower document chute Flat core Second side CIS flat cable Lower document chute ...
Страница 204: ...3 13 Confidential 5 Panel unit Key flat cable ...
Страница 212: ...3 21 Confidential 13 High voltage power supply flat cable High voltage power supply flat cable ...
Страница 213: ...3 22 Confidential 14 Process drive unit Paper feed motor flat cable ...
Страница 228: ...3 37 Confidential 9 6 Cord hook 1 Remove the Cord hook Two locations Fig 3 15 Cord hooks Cord hook Back side ...
Страница 347: ...5 19 Confidential Fig 5 7 Document scanning position sensor Document detection sensor ADF cover sensor ...
Страница 362: ...5 34 Confidential Print adjustment test pattern Fig 5 8 ...