Brother MFC-9130CW Service Manual page 98

■ Error code 7300
Jam Tray
Pull the paper tray completely out of the machine and remove the jammed
paper
After the paper feed sensor detects paper pass, the registration front sensor does not detect
paper pass after a set period of time.
<User Check>
- Remove the jammed paper.
Step
1 Foreign object inside machine
2 Paper dust cleaning roller
installation failure
3 Registration front actuator that
has come off or that has been
caught
4 Registration rear actuator that
has come off or that has been
caught
5 Registration front/rear/manual
feed sensor PCB harness
connection failure
6 Registration front/rear/manual
feed sensor PCB failure
7 Feed roller failure
8 Main PCB failure
Cause
2-59
Remedy
Remove foreign object.
Re-assemble the paper dust cleaning
roller.
Re-assemble the registration front
actuator.
Re-assemble the registration rear
actuator.
Check the registration front/rear/manual
feed sensor PCB harness connection and
reconnect it.
Replace the registration front/rear/manual
feed sensor PCB ASSY.
Replace the paper feed unit.
Replace the main PCB ASSY.
Confidential