6.Troubleshooting
240
Problem
Cause
Details
Solution
Offset image.
Image peels
because toner
not fused to
paper.
Printing on thick paper in
Plain Paper mode.
-
Check conditions in the
paper path.
Problem at Regular Intervals
Image problems may appear at regular intervals that depend on the circumference of certain
components
The following diagram shows the possible symptoms (black or white dots at regular intervals).
Defective parts
Interval
Target parts
OPC drum
76 mm
AIO cartridge
Development roller
27 mm
Toner supply roller
23.5 mm
Charge roller
30 mm
Image transfer drive roller
61 mm
Image transfer unit
Image transfer roller
25 mm
Paper transfer roller
57 mm
Paper transfer roller
Fusing sleeve belt
78 mm
Fusing unit
Pressure roller
78 mm
Registration roller
38 mm
Transfer unit
Use a chart like the following to identify target parts.
Summary of Contents for M C250FW
Page 2: ......
Page 8: ......
Page 12: ......
Page 34: ...3 Preventive Maintenance 22 to remove any remaining moisture ...
Page 45: ...4 Replacement and Adjustment 33 6 Release the belt A and then remove the front cover unit B ...
Page 103: ...4 Replacement and Adjustment 91 MF model 11 Remove the fusing transport drive unit A ...
Page 112: ...4 Replacement and Adjustment 100 MF model 8 Remove the belt cover A ...
Page 183: ...5 System Maintenance 171 8 Press OK on the screen or press on the number keys to exit ...
Page 188: ...5 System Maintenance 176 Special Sender List Configuration Page Printer model ...
Page 189: ...5 System Maintenance 177 MF model ...
Page 260: ...6 Troubleshooting 248 Flowchart ...
Page 271: ...7 Detailed Descriptions 259 ...
Page 297: ...7 Detailed Descriptions 285 Boards Block Diagram Printer Model ...
Page 301: ......