2-36
Confidential
■
Error code 050A
The center thermistor or side thermistor of the fuser unit detected some temperature error in
the hardware.
Error code 050B
When the temperature of the center thermistor of the fuser unit is lower than the idle
temperature, the side thermistor of the fuser unit detected a temperature higher than the
specified value.
Error code 050C
When the temperature of the center thermistor of the fuser unit is higher than the idle
temperature, the side thermistor of the fuser unit detected a temperature lower than the
specified value.
<User Check>
- Turn the power OFF and ON again after several seconds to check if the error code
disappears.
Print Unable 05
Turn the power off and then back on again.
Print Unable 05
Turn the power off and then back on again.
Print Unable 05
Turn the power off and then back on again.
Step
Cause
Remedy
1
Connection failure of the center
or side thermistor harness of the
fuser unit
Check the harness connection of the
center or side thermistor of the fuser unit
and reconnect them.
2
Connection failure of the heater
harness of the fuser unit
Check the harness connection of the
heater of the fuser unit and reconnect it.
3
Harness connection failure of the
eject sensor PCB
Check the harness connection of the eject
sensor PCB and reconnect it.
4
Harness connection failure of the
low-voltage power supply PCB
Check the harness connection of the
low-voltage power supply PCB and
reconnect it.
5
Eject sensor PCB failure
Replace the eject sensor PCB ASSY.
6
Fuser unit failure
Replace the fuser unit.
7
Low-voltage power supply PCB
failure
Replace the low-voltage power supply
PCB ASSY.
8
Main PCB failure
Replace the main PCB ASSY.
Summary of Contents for DCP-9020CDN
Page 47: ...2 8 Confidential 2 2 2 Scanning part Fig 2 4 ...
Page 89: ...2 50 Confidential Electrodes location of main body Fig 2 7 ...
Page 172: ...3 9 Confidential EM2 0 MOLYKOTE EM D110 2 0 mm dia ball EM2 0 Back cover ASSY Back cover ASSY ...
Page 345: ...5 7 Confidential Black and white scanning First side Front Fig 5 1 ...
Page 346: ...5 8 Confidential Black and white scanning Second side Back Fig 5 2 ...
Page 347: ...5 9 Confidential Color scanning First side Front Fig 5 3 ...
Page 348: ...5 10 Confidential Color scanning Second side Back Fig 5 4 ...
Page 384: ...5 46 Confidential LED test pattern M68_L Fig 5 17 ...
Page 429: ...App 3 8 Confidential When the following screen appears click Close to close the screen ...