Brother DCP-L8400CDN Service Manual page 91

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Error code 7200
Jam MP Tray
Remove the jammed paper from MP Tray and press [Retry].
When the paper is fed from the MP tray, after the MP registration front sensor detects paper
pass, the registration rear sensor does not detect paper pass after a set period of time.
< User Check >
- Remove the jammed paper.
- Insert the papers straight using the paper guide of the MP tray.
- Check if the papers loaded in the MP tray is not held down with your hand.
- Check if the double feed occurs in the MP tray.
- Check if the front cover is closed correctly.
- Check if the machine is used with the MP tray support and MP flap are in closed state.
Step
1 Foreign object at the back of the
machine
2 Registration rear actuator that
has come off or that has been
caught
3 Connection failure of the
registration front/rear sensor
PCB harness
4 MP unit installation failure
5 MP separation pad worn out
6 Registration rear sensor failure
7 Paper feed related gear
damaged
8 Main PCB failure
Cause
Remove the foreign object.
Re-assemble the registration rear
actuator.
Reconnect the registration front/rear
sensor PCB harness.
Re-assemble the MP unit.
Replace the PF kit MP.
Replace the registration front/rear sensor
PCB.
Replace the main drive unit.
Replace the main PCB ASSY.
2-61
Remedy
Confidential