Cartridge Error - Brother HL-5440D Service Manual

Error code A100
Cover is Open
The front cover sensor detected that the front cover was open.
<User Check>
• Close the front cover.
Step
Connection failure of the front
1
cover sensor harness
Connection failure of the relay
2
front harness
Front cover sensor attachment
3
failure
Broken rib (inside the front
4 cover) where the front cover
sensor is pressed
Front cover sensor failure
5
6 Relay front PCB failure
7 Main PCB failure
Error codes A200 to BF00
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 C000

Cartridge Error

The new toner sensor could not detect the new toner cartridge correctly.
<User Check>
• Set the toner cartridge to the machine correctly.
Step
The power switch was turned
OFF or the front cover was
1
opened while a new toner
cartridge is being detected.
Cause
Check the connection of the front cover sensor
harness, and reconnect it if necessary.
Check the connection of the relay front
harness, and reconnect it if necessary.
Reattach the front cover sensor.
Replace the front cover.
Refer to
(function code: 32)" in Chapter 5
sensor operation. If the sensor operation is
faulty, replace the relay front PCB ASSY.
Replace the relay front PCB ASSY.
Replace the main PCB ASSY.
Cause
Replace the main PCB ASSY.
Cause
Reset the developer roller counter. (Refer to
"1.4.21 Reset developer roller counter 1, 2, 3
or 4 (Common to all models)" in Chapter
2-49
Remedy
"1.3.8 Check sensor operation
Remedy
Remedy
to check the
5.)
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