Brother DCP-1510 Service Manual page 52

Error code 7300
Jam Tray
Remove the jammed paper from Tray, then press Start.
The paper feed sensor does not detect paper pass even after the paper has been fed for the
specified time.
<User Check>
• Remove the jammed paper.
• Check that the paper is set in the paper tray correctly.
• Check that there is not too much paper set in the paper tray.
• Flip over the paper in the paper tray or rotate the paper 180 degrees.
• Check that the thickness of the paper is within the standard.
• Check that the size of the paper is within the standard.
• Flip through the paper and reset it in the paper tray.
Step
Foreign object in the front of the
1
machine
Gears around the plate up plate
2
coming off
Attachment failure of the motor
3
drive belt
Attachment failure of the laser
4
shutter arm
Connection failure of the main
5
motor harness
Connection failure of the motor
6
encoder PCB flat cable
Connection failure of the pick-
7
up solenoid harness
8 Motor drive belt failure
9 Motor encoder PCB failure
Low voltage power supply PCB
10
failure
11 Laser unit failure
12 Main PCB failure
Cause
Remove the foreign object.
Reattach gears around the plate up plate.
Reattach the motor drive belt.
Reattach the laser shutter arm.
Reconnect the main motor harness.
Reconnect the motor encoder PCB flat cable.
Reconnect the pick-up solenoid harness.
Replace the motor drive belt.
Replace the motor encoder PCB ASSY.
Replace the low voltage power supply PCB
unit.
Replace the laser unit.
Replace the main PCB ASSY.
1-35
Remedy
Confidential