Brother DCP-8110DN Service Manual page 110

Error code E200
Print Unable E2
Turn the power off and then back on again.
When the center thermistor of the fuser unit is higher than the idle temperature, the side
thermistor detected a temperature higher than the specified temperature.
<User Check>
• Turn OFF the power switch. After several seconds, turn ON the power again and check
that this error is reset.
Step
Connection failure of the side
1 thermistor harness of the fuser
unit
Connection failure of the eject
2
sensor PCB harness
Eject sensor PCB failure
3
4 Fuser unit failure
5 Main PCB failure
Error codes E300 and E400
These errors do not usually occur during normal use. The possible causes are noise around
the installation site, fluctuation of the power supply voltage, and failures in the software.
---
An unidentified error occurred.
Step
1 Main PCB failure
Error code E600
Print Unable E6
Turn the power off and then back on again.
Write error in the EEPROM of the main PCB
Step
1 Main PCB failure
Cause
Check the connection of the side thermistor
harness of the fuser unit, and reconnect it if
necessary.
Check the connection of the eject sensor PCB
harness, and reconnect it if necessary.
Refer to
(function code: 32)" in Chapter 5
sensor operation. If the sensor operation is
faulty, replace the eject sensor PCB ASSY.
Replace the fuser unit.
Replace the main PCB ASSY.
Cause
Replace the main PCB ASSY.
Cause
Replace the main PCB ASSY.
2-65
Remedy
"1.3.10 Check sensor operation
Remedy
Remedy
to check the
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