Brother DCP-9055CDN Service Manual page 74

■ Error code 18
No Tray
A Tray is not detected, install Tray 2.
The paper tray 2 is not installed before printing.
(The cassette of the T2 paper edge sensor is open.)
<User Check>
- Open and close the paper tray 2.
Step
1 T2 paper edge actuator catching
on some position
2 Harness connection failure of
T2 sensor PCB ASSY
3 Harness connection failure of
T2 Relay PCB ASSY
4 T2 sensor PCB ASSY failure
5 T2 Relay PCB failure
6 Engine PCB failure
7 Main PCB failure
■ Error code 19
Replace Drum
Open the Front Cover, replace the Drum Unit. Refer to the User's Guide for
instructions.
The drum unit reached the end of life.
This error does not usually occur in the normal use. The conceivable causes are noise around
the installation site, fluctuation of the power supply voltage, and failures in the software.
<User Check>
- Turn OFF the power switch, and turn it ON again after a while.
Step
1 Main PCB failure
Cause
Cause
2-36
Remedy
Check the T2 paper edge actuator and
reinstall it.
Check the harness connection of the
T2 sensor PCB ASSY and reconnect it.
Check the harness connection of the
T2 Relay PCB ASSY and reconnect it.
Replace the T2 paper feed frame unit.
Replace the T2 Relay PCB ASSY.
Replace the engine PCB ASSY.
Replace the main PCB ASSY.
Remedy
Replace the main PCB ASSY.
Confidential