6.Troubleshooting
235
Horizontal Lines
Problem
Cause
Details
Solution
Color streaks occur
horizontally at 27 mm
intervals.
There is a problem with
the development roller.
Can occur at the
beginning of machine
use or over time.
Replace the AIO.
Fine horizontal lines appear. There is a problem with
the image transfer unit.
The problem presents
over time.
Check the ITB or
replace the
image transfer
unit.
White streaks occur
horizontally at 27 mm
intervals.
There is a problem with
the development roller.
Can occur at the
beginning of machine
use or over time.
Replace the AIO.
Horizontal
black lines
occur at
regular
intervals
27 mm
intervals
There is a problem with
the development roller.
Can occur at the
beginning of machine
use or over time.
Replace the AIO.
60
mm intervals
Paper dust or other
contaminants are at the
contact point of the drive
roller, resulting in
insufficient bias for toner
transfer to paper at drive
roller pitch.
The problem presents
over time.
Clean below the
paper transfer
roller and
registration roller
to remove paper
dust.
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.
Horizontal
white lines
27 mm
intervals
There is a problem with
the development roller.
Can occur at the
beginning of machine
Replace the AIO.
Содержание M C250FW
Страница 2: ......
Страница 8: ......
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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: ......