Brother HL-4040CN, HL-4050CDN, HL-4070CDW Service Manual page 46

Error code 93
No Paper
Load <size> paper in Multi Purpose Tray.
No paper in MP tray (MP)
User Check
- Load the paper into the MP tray.
Error code 9A
Manual Feed
Load <size> Paper, and press Go.
Manual paper feeding is selected.
User Check
- Load the paper into one of the trays, then press the Go button.
Manual Feed
Load <size> Paper.
No paper in manual feeding
User Check
- Load the paper.
Step
1 Harness connection failure of
MP PE/sensor PCB ASSY
2 MP PE/sensor failure
3 Engine PCB failure
Error code 94
No Paper
Load <size> paper in Tray 1.
No paper in Tray 1 (T1)
Step
1 T1 PE/edge sensor failure
2 Plate-up function malfunction
3 Lift arm and roller holder
ASSY not assembled
correctly
4 Harness connection failure of
T1 PE/edge sensor PCB
ASSY
5 Engine PCB failure
Cause
Check the harness connection of the MP
PE/sensor PCB ASSY and reconnect it.
Check the sensor performance following the
procedure described in
any problem occurs, replace the front door unit
ASSY.
Replace the engine PCB ASSY.
Cause
Check the sensor performance following the
procedure described in
any problem occurs, replace the T1 PE/edge
sensor PCB ASSY.
Replace the paper tray.
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 T1 PE/edge
sensor PCB ASSY and reconnect it.
Replace the engine PCB ASSY.
1-29
Remedy
"Maintenance mode
Remedy
"Maintenance mode
Confidential
32". If
32". If