Brother DCP-2537DW, Service Manual

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2-60
Confidential

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.
 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 Cause Remedy
1
Foreign object in the front of the
machine Remove the foreign object.
2
Registration front actuator
attachment failure Reattach the registration front actuator.
3
Connection failure of the
registration front/rear sensor
harness Reconnect the registration front/rear
sensor harness.
4
Registration front/rear sensor
PCB failure Replace the actuator holder ASSY.
5
Damaged gears in the paper
feed drive system Replace the frame L unit.
6 Main PCB failure Replace the main PCB ASSY.
Step Cause Remedy
1
Foreign object in the rear of the
machine or duplex tray Remove the foreign object.
2
Gears in the paper feed system
coming off Reattach the paper feed gear.
3 Duplex tray failure Replace the duplex tray.
4
Damaged gears in the paper
feed drive system Replace the frame L unit.
5 Main PCB failure Replace the main PCB ASSY.