Brother HL-2290 Service Manual page 68

 Error code 7302
When printing from the paper tray, the registration front sensor does not detect paper pass
within the specified time after the T1 paper feed sensor detected paper pass.
<User Check>
• Remove the jammed paper.
• Add the paper properly using the paper guide of paper tray.
Step
Foreign object in the front of the
1
machine
Registration front actuator
2
attachment failure
Connection failure of the
3 registration front/rear sensor
harness
Registration front/rear sensor
4
PCB failure
Damaged gears in the paper
5
feed drive system
6 Main PCB failure
 Error code 7800
After the first side is printed in 2-sided printing mode, the registration front sensor does not
detect paper pass after a set period of time.
<User Check>
• Remove the jammed paper.
• Close the back cover correctly.
Step
Foreign object in the rear of the
1
machine or duplex tray
Gears in the paper feed system
2
coming off
3 Duplex tray failure
Damaged gears in the paper
4
feed drive system
5 Main PCB failure
Cause
Cause
2-46
Remedy
Remove the foreign object.
Reattach the registration front actuator.
Reconnect the registration front/rear
sensor harness.
Replace the actuator holder ASSY.
Replace the frame L unit.
Replace the main PCB ASSY.
Remedy
Remove the foreign object.
Reattach the paper feed gear.
Replace the duplex tray.
Replace the frame L unit.
Replace the main PCB ASSY.
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