6.Troubleshooting
237
Problem
Cause
Details
Solution
images
the development unit is
dropping onto paper
(paper path timing).
•
Something has
jammed into the OPC
seal, allowing waste
toner to spill out.
operating in high
ambient
temperature and
humidity.
The problem
presents over time.
the machine.
If occurrence is
frequent, replace
the AIO.
White spots
appear in
images at
regular intervals
27 mm
intervals
Surface of the development
roller is contaminated with
foreign matter or small
divots.
The problem
presents over time.
Replace the AIO.
25 mm
intervals
There is a problem with the
image transfer roller.
The problem
presents over time.
Check the ITB or
replace the
image transfer
unit.
30 mm
intervals
There is a problem with the
charge roller.
The problem
presents over time.
Replace the AIO.
76 mm
intervals
OPC drum is scratched or
dirty.
Can occur at the
beginning of
machine use or
over time.
Replace the AIO.
78 mm
intervals
The surface of the fusing
sleeve belt or pressure
roller is scratched or dirty.
The problem
presents over time.
Check the fusing
unit or replace it.
At the pass of the first sheet,
white spots appear on both
sides of images at regular
intervals.
Paper dust remains in the
paper feed tray.
Paper in use has
too much paper
dust.
Clean the paper
dust in the paper
tray. (
Uneven Color
Problem
Cause
Details
Solution
Part of the image
is missing from
center to trailing
edge of paper
Toner in the development
unit temporarily not
applied evenly.
Can occur when printing
light image areas
repeatedly.
Remove and reinstall
the AIO.
White spots
The AIO is not set
Can occur at the beginning Remove and reinstall
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: ......