3LF
1-3-3
Electric problems
Problem
(1)
Defective paper jam
detecting.
1-3-6
Causes
Actuators of PF paper feed
sensor does not operate
smoothly.
A piece of paper torn from a
sheet is caught around
actuator of PF paper feed
sensor.
Defective PF paper feed
sensor.
Defective PF main PWB.
Defective printer's control
PWB.
Check procedures/corrective measures
Repair or replace.
Check visually and remove it, if any.
Replace the PF paper feed sensor.
Replace the PF main PWB (See page 1-4-6).
Replace the control PWB (Refer to the service manual for the
printer).