Brother HL-5590DN Service Manual

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 Error code 3801
A temperature error occurred in the external temperature/humidity sensor.
 Error code 4000
The number of rotations of the drum unit is reaching the upper limit.
Error code 4200
The number of rotations of the drum unit has reached the upper limit. (Printing does not
stop.)
 Error code 4500
The number of printable pages of the fuser unit has reached the upper limit.
Step Cause Remedy
1
Connection failure of the
external temperature/humidity
sensor harness
Reconnect the external temperature/humidity
sensor harness.
2
External temperature/humidity
sensor failure
Replace the main frame L ASSY.
3 Main PCB failure Replace the main PCB ASSY.
Step Cause Remedy
1
Replace the drum unit with a
new one and reset the drum
counter. If the error display is not
cleared, the main PCB is faulty.
Replace the main PCB ASSY.
Step Cause Remedy
1
End of life of the fuser unit Replace the fuser unit. Refer to “1.3.22 Reset
counters for consumable parts (function code:
88)” in Chapter 5 to reset the fuser unit counter
after the replacement.
2
Replace the fuser unit with a
new one and reset the fuser unit
counter. If the error display is not
cleared, the main PCB is faulty.
Replace the main PCB ASSY.

Brother HL-5590DN Specifications

General

Brand	Brother
Model	HL-5590DN
Category	Printer
Language	English