Brother HL-2440 Service Manual page 30

• JAM INSIDE/JAM REAR
Paper jam inside the machine
User Check
• Check if the paper is jammed. If jammed, remove it.
• Check if the fuser cover is closed certainly.
Step
Harness connection failure of
registration front sensor PCB
1 ASSY, paper eject sensor PCB
ASSY or registration rear sensor
PCB ASSY
Registration front actuator,
registration rear actuator or paper
2
eject actuator catching on some
position
Paper eject sensor PCB failure
3a
Registration front sensor PCB
failure
3b
Registration rear sensor PCB
failure
3c
4 Toner LED PCB failure
5 Main PCB failure
Cause
1-15
Remedy
Check the harness connections of the
registration front sensor PCB ASSY, paper
eject sensor PCB ASSY or registration rear
sensor PCB ASSY, and reconnect them.
Correct catching of the registration front
actuator, registration rear actuator or paper
eject actuator.
Check the sensor performance following
the procedure in "Factory Inspection Mode"
(Chapter 5). If any problem occurs, replace
the eject sensor PCB ASSY.
Check the sensor performance following
the procedure in "Factory Inspection Mode"
(Chapter 5). If any problem occurs, replace
the registration front sensor PCB ASSY.
Check the sensor performance following
the procedure in "Factory Inspection Mode"
(Chapter 5). If any problem occurs, replace
the registration rear sensor PCB ASSY.
Replace the toner LED PCB ASSY.
Replace the main PCB ASSY.
Confidential