6.Troubleshooting
234
Problem
Cause
Details
Solution
toner from the
surface of the OPC
or the ITB.
Vertical, fine white
lines appear
•
Dust, dirt caught on
the doctor blade is
scraping toner from
the surface of the
development roller.
•
Dirt, paper dust
under the AIO is
scraping away
toner from the
surface of the OPC
or the ITB.
•
Lint, dust in the AIO
exposure unit.
Can occur at the
beginning of
machine use or
over time.
•
Remove and reinstall the
AIO.
•
Replace the AIO.
•
Clean the dust shield
glass on the LD unit.
A dense vertical
band of color
appears
•
Foreign matter is
sticking to the
charge roller.
•
Residual toner
stacking on the belt
The problem
presents over time.
Replace the AIO.
A faint vertical
band of color
appears
Toner in the
development unit
temporarily not applied
evenly.
The problem
presents over time.
If removing and reinstalling the
AIO does not solve the
problem, replace the AIO.
A band of fine,
glossy bands or
scratches appears
about 99 mm to the
right of center
Pressure roller
thermistor (center) is
contaminated.
•
This can occur
with:
Images with
heavy
coverage
Thick paper
Glossy paper
•
The problem
presents over
time.
Replace the fusing unit.
Содержание M C250FW
Страница 2: ......
Страница 8: ......
Страница 12: ......
Страница 34: ...3 Preventive Maintenance 22 to remove any remaining moisture ...
Страница 45: ...4 Replacement and Adjustment 33 6 Release the belt A and then remove the front cover unit B ...
Страница 103: ...4 Replacement and Adjustment 91 MF model 11 Remove the fusing transport drive unit A ...
Страница 112: ...4 Replacement and Adjustment 100 MF model 8 Remove the belt cover A ...
Страница 114: ...4 Replacement and Adjustment 102 12 On the MF model only remove the FFC harness guide A 13 Remove the duplex motor M5 A ...
Страница 117: ...4 Replacement and Adjustment 105 MF model 3 On the MF model only remove the USB dongle A and interface cover B ...
Страница 123: ...4 Replacement and Adjustment 111 MF model 3 On the MF model only remove the USB dongle A and interface cover B ...
Страница 183: ...5 System Maintenance 171 8 Press OK on the screen or press on the number keys to exit ...
Страница 188: ...5 System Maintenance 176 Special Sender List Configuration Page Printer model ...
Страница 189: ...5 System Maintenance 177 MF model ...
Страница 191: ...5 System Maintenance 179 MF model The following contents can be confirmed in the Maintenance Report ...
Страница 260: ...6 Troubleshooting 248 Flowchart ...
Страница 271: ...7 Detailed Descriptions 259 ...
Страница 297: ...7 Detailed Descriptions 285 Boards Block Diagram Printer Model ...
Страница 301: ......