Kyocera PF-750 Service Manual page 32

5H0-4
Problem
(4)
A paper jam in the
paper feed section is
indicated during
copying (jam in 3000-
sheet paper feeder
horizontal paper con-
veying section).
Jam code 17
(5)
A paper jam in the
paper feed section is
indicated during
copying (multiple
sheets in cassette 3).
Jam code 24
1-4-4
Causes/check procedures
Check if the paper side
guides are deformed.
Defective paper path sen-
sor 1.
Check if paper feeder paper
conveying clutch malfunc-
tions.
Electrical problem with
paper feeder paper convey-
ing clutch.
Broken switch actuator.
Defective feed switch 3.
Defective paper feeder
paper feed clutch 1.
Electrical problem with
paper feeder paper feed
clutch 1.
Defective feed pulleys or
feed rollers.
Corrective measures
Check visually and replace.
With 5 V DC present at CN6-6 on the paper feeder main PWB,
check if CN6-5 on the paper feeder main PWB remains low when
paper path sensor 1 is turned on and off. If it does, replace paper
path sensor 1.
Run maintenance item U247 and select paper feeder paper con-
veying clutch on the touch panel to be turned on and off. Check
the status and remedy if necessary.
Check (see page 1-4-6).
Check visually and replace switch.
Run maintenance item U031 and turn feed switch 1 on and off
manually. Replace the switch if indication of the corresponding
switch on the touch panel is not displayed in reverse.
Run maintenance item U247 and select paper feeder paper feed
clutch 1 on the touch panel to be turned on and off. Check the sta-
tus and remedy if necessary.
Check (see page 1-4-6).
Check visually and replace.