6.Troubleshooting
236
Problem
Cause
Details
Solution
occur at
regular
intervals
use or over time.
76 mm
intervals
OPC drum may have
been accidentally
exposed to ambient light.
•
AIO was
replaced while
machine was
accidentally
exposed to
strong light.
•
Top cover was
left open,
exposing the
OPC drum to
strong overhead
light.
•
Can occur at the
beginning.
Leave the AIO in
the machine and
wait for the
problem to
resolve itself.
Spotted Images
Problem
Cause
Details
Solution
Black spots
appear in
images at
regular intervals
27 mm
intervals
There is a problem with the
development roller.
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
Toner has collected on the
pressure roller thermistor.
The problem
presents over time.
Clean the
pressure roller
thermistor or
replace it.
Traces of fallen toner on
•
Toner accumulated in
Machine is
Continue to use
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: ......