Brother HL-S7000DN Service Manual page 133

■ Error code C401
Tray 1 Error
Pull out Tray 1 completely. Check inside the Tray.
Within the specified time, plate sensor of the tray 1 was unable to detect completion of lift-up.
Error code C402
Tray 2 Error
Pull out Tray 2 completely. Check inside the Tray.
Within the specified time, plate sensor of the tray 2 was unable to detect completion of lift-up.
Error code C403
Tray 3 Error
Pull out Tray 3 completely. Check inside the Tray.
Within the specified time, plate sensor of the tray 3 was unable to detect completion of lift-up.
Error code C404
Tray 4 Error
Pull out Tray 4 completely. Check inside the Tray.
Within the specified time, plate sensor of the tray 4 was unable to detect completion of lift-up.
<User Check>
- Set the specified paper on each tray.
Step
1 Plate sensor harness connection
failure of each tray
2 Motor harness connection failure
of each tray
3 Relay PCB failure of each tray
4 Paper feed PCB failure
5 Main PCB failure
Cause
2-105
Remedy
Reconnect the plate sensor harness of
each tray.
Reconnect the motor harness of each
tray.
Replace the relay PCB ASSY of each tray.
Replace the paper feed PCB ASSY.
Replace the main PCB ASSY.
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