Brother MFC-9130CW Service Manual page 104

■ Error code 9302
No Paper
Reload paper in Tray.
For printing by feeding paper from the paper tray, the paper feed sensor detected that no
paper was in the paper tray.
<User Check>
- Load paper to the paper tray.
Step
1 Foreign object in pick-up roller
2 Paper feed sensor PCB harness
connection failure
3 Paper feed actuator catching on
some position
4 Paper feed sensor failure
5 Gear failure inside of process
drive unit
6 Main PCB failure
■ Error code 9307
Size Mismatch
Reload paper in Tray.
Upon receiving a fax or printing a list or report, the machine detected that paper tray empty of
paper.
<User Check>
- Load paper to the paper tray.
Step
1 Registration front/rear/manual
feed sensor PCB harness
connection failure
2 Registration rear actuator
catching on some position
3 Registration front sensor failure
4 Main PCB failure
Cause
Cause
2-65
Remedy
Remove foreign object.
Check the paper feed sensor PCB
harness connection and reconnect it.
Re-assemble the paper feed actuator.
Replace the paper feed unit.
Replace the process drive unit.
Replace the main PCB ASSY.
Remedy
Check the registration front/rear/manual
feed sensor PCB harness connection and
reconnect it.
Re-assemble the registration rear
actuator.
Replace the registration front/rear/manual
feed sensor PCB ASSY.
Replace the main PCB ASSY.
Confidential