Kyocera FS-C8520MFP Service Manual page 240

Problem
(7)
Abnormal noise is
heard.
(8)
No primary original
feed.
(9)
Multiple sheets of orig-
inal are fed.
(10)
Originals jam.
Causes/check procedures
Check if the rollers, pulleys and gears
operate smoothly.
Check if the following clutches are
installed correctly.
Paper feed clutch
Mid clutch
Registration clutch
Duplex clutch
Check if the surfaces of the following pul-
leys are dirty with paper powder.
DP forwarding pulley
DP paper feed roller
Check if the following pulleys is
deformed.
DP forwarding pulley
DP paper feed roller
Original is not correctly set.
Check if the DP separation pulley is
worn.
Originals being used do not conform with
the specifications.
Check if the surfaces of the following pul-
leys are dirty with paper powder.
DP forwarding pulley
DP paper feed roller
Check if the contact between the regis-
tration roller and registration pulley is cor-
rect.
Check if the contact between the convey-
ing roller and conveying pulley is correct.
Check if the contact between the eject
roller and eject pulley is correct.
Check if the contact between the switch-
back roller and switchback pulley is cor-
rect.
Grease the bushes and gears.
Check visually and remedy if necessary.
Clean with isopropyl alcohol.
Check visually and replace any
deformed (see page 1-5-27).
Set the original correctly.
Replace the DP separation pulley if it is
worn (see page 1-5-27).
Use only originals conforming to the
specifications.
Clean with isopropyl alcohol.
Check visually and remedy if necessary.
Check visually and remedy if necessary.
Check visually and remedy if necessary.
Check visually and remedy if necessary.
1-4-52
Corrective measures
2MY/2MZ