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Error code 7300
Jam Tray 1
Remove the jammed paper from Tray 1.
In the case of printing by feeding paper from the paper tray 1, after the T1 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.
- Check if the paper tray 1 is closed correctly.
Step
1
Foreign object at the front of the
paper tray 1
2
T1 paper dust cleaning roller
installation failure
3
Registration front actuator that
has come off or that has been
caught
4
Connection failure of the
registration front/rear sensor
PCB harness
5
Registration front sensor failure
6
Paper feed related gear
damaged
7
Main PCB failure
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Error code 7400
Jam Tray 2
Remove the jammed paper from Tray 2.
In the case of printing by feeding paper from the T2 paper tray unit, after the T2 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.
- Close the paper tray 1 and T2 paper tray unit correctly.
Step
1
Foreign object at the front of the
paper tray 1
2
Foreign object at the front of the
T2 paper tray unit
3
T1/T2 paper dust cleaning roller
installation failure
4
Registration front actuator that
has come off or that has been
caught
5
Connection failure of the
registration front/rear sensor
PCB harness
6
Registration front sensor failure
7
Paper feed related gear
damaged
8
Main PCB failure
Cause
Cause
2-65
Remedy
Remove the foreign object.
Re-assemble the T1 paper dust cleaning
roller.
Re-assemble the registration front
actuator.
Reconnect the registration front/rear
sensor PCB harness.
Replace the registration front/rear sensor
PCB ASSY.
Replace the main drive unit.
Replace the main PCB ASSY.
Remedy
Remove the foreign object.
Remove the foreign object.
Re-assemble the T1/T2 paper dust
cleaning roller.
Re-assemble the registration front
actuator.
Reconnect the registration front/rear
sensor PCB harness.
Replace the registration front/rear sensor
PCB ASSY.
Replace the main drive unit.
Replace the main PCB ASSY.
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Table of Contents
Troubleshooting
