Brother HL-3040CN Service Manual page 102

■ Error code 94
No Paper
Load <size> paper, then press Go.
- No paper in paper tray
(The registration front actuator is not turned ON after a certain period of time has passed.)
- Paper tray is not installed into the machine.
< >
User Check
- Insert the paper into the paper tray.
- Remount the paper tray to the machine.
Step
1 Lift arm and roller holder ASSY
not assembled correctly
2 Harness connection failure of
registration front/rear sensor
PCB ASSY
3 Plate-up function malfunction
4 Registration front sensor failure
5 HVPS control PCB failure
6 Main PCB failure
Cause
3-38
Remedy
Be sure to put the boss of the roller holder
ASSY into the hole on the lift arm securely.
Check the harness connection of the
registration front/rear sensor PCB ASSY
and reconnect it.
Replace the paper tray.
Check the sensor performance following the
procedure described in
If any problem occurs, replace the
registration front/rear sensor PCB ASSY.
Replace the HVPS control PCB ASSY.
Replace the main PCB ASSY.
"Function code 32".
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