Brother DCP-9055CDN Service Manual page 73

■ Error code 16
Duplex Disabled
Reload paper, then press Start.
Paper of unsupported size for duplex printing or paper of different sizes is loaded.
<User Check>
- Use the A4 or Letter size paper.
Step
1 Registration rear actuator
catching on some position
2 Main PCB failure
■ Error code 17
No Tray
A Tray is not detected, install Tray 1.
The paper tray 1 is not installed before printing.
(The cassette of the T1 paper edge sensor is open.)
<User Check>
- Open and close the paper tray 1.
Step
1 T1 paper edge actuator catching
on some position
2 Harness connection failure of
T1 paper edge sensor PCB
ASSY
3 T1 paper edge sensor PCB
failure
4 Engine PCB failure
5 Main PCB failure
Cause
Cause
2-35
Remedy
Correct the position of the registration rear
actuator.
Replace the main PCB ASSY.
Remedy
Check the T1 paper edge actuator and
reinstall it.
Check the harness connection of the
T1 paper edge sensor PCB ASSY and
reconnect it.
Replace the T1 paper edge sensor PCB
ASSY.
Replace the engine PCB ASSY.
Replace the main PCB ASSY.
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