Brother HL-4050CDN - Page 46

Confidential
1-29
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 Cause
Remedy
1 Harness connection failure of
MP PE/sensor PCB ASSY
Check the harness connection of the MP
PE/sensor PCB ASSY and reconnect it.
2 MP PE/sensor failure
Check the sensor performance following the
procedure described in “Maintenance mode 32”. If
any problem occurs, replace the front door unit
ASSY.
3 Engine PCB failure
Replace the engine PCB ASSY.
Error code 94
No Paper
Load <size> paper in Tray 1.
No paper in Tray 1 (T1)
Step Cause
Remedy
1 T1 PE/edge sensor failure
Check the sensor performance following the
procedure described in “Maintenance mode 32”. If
any problem occurs, replace the T1 PE/edge
sensor PCB ASSY.
2 Plate-up function malfunction
Replace the paper tray.
3 Lift arm and roller holder
ASSY not assembled
correctly
Be sure to put the boss of the roller holder ASSY
into the hole on the lift arm securely.
4 Harness connection failure of
T1 PE/edge sensor PCB
ASSY
Check the harness connection of the T1 PE/edge
sensor PCB ASSY and reconnect it.
5 Engine PCB failure
Replace the engine PCB ASSY.