Brother HL-2440 Service Manual page 54

■ Pickup function of paper tray does not work.
Step
Link arm does not operate
1
smoothly or keeps catching.
Pickup roller holder ASSY does
2 not operate smoothly or keeps
catching.
3 Roller holder ASSY failure
4 Main motor failure
5 Main PCB failure
■ A new toner cannot be detected.
Step
New toner actuator does not
1 operate smoothly or keeps
catching.
2 New toner actuator is damaged.
3 Main PCB failure
New toner sensor harness ASSY
4
failure
Cause
Cause
1-39
Remedy
Check whether the link arm operates
correctly.
Check whether the pickup roller holder
ASSY operates correctly.
Replace the roller holder ASSY.
Replace the main motor.
Replace the main PCB ASSY.
Remedy
Check whether the new toner actuator
operates correctly.
Replace the new toner actuator.
Replace the main PCB ASSY.
Replace the new toner sensor harness
ASSY.
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