Mechanical Problems - Kyocera FS-C5150DN Service Manual

1-4-5 Mechanical problems

If the part causing the problem was not supplied, use the unit including the part for replacement.
Problem
(1)
No primary paper
feed.
(2)
No secondary paper
feed.
(3)
Skewed paper feed.
(4)
Multiple sheets of
paper are fed.
(5)
Paper jams.
(6)
Toner drops on the
paper conveying path.
(7)
Abnormal noise is
heard.
Causes/check procedures
Check if the surfaces of the following roll-
ers are dirty with paper powder.
Pickup roller
Paper feed roller
MP paper feed roller
Check if the following rollers is deformed.
Pickup roller
Paper feed roller
MP paper feed roller
Defective paper feed clutch installation.
Check if the surfaces of the following roll-
ers are dirty with paper powder.
Front registration roller
Rear registration roller
Defective registration clutch installation.
Paper width guide in a cassette installed
incorrectly.
Check if the paper is excessively curled.
Paper is loaded incorrectly.
Check if the retard roller is worn.
Check if the paper is excessively curled.
Check if the contact between the front
and rear registration rollers is correct.
Check if the heat roller or press roller is
extremely dirty or deformed.
Check if the drum unit or developing unit
is extremely dirty.
Check if the rollers, pulleys and gears
operate smoothly.
Check if the following clutches are
installed correctly.
Paper feed clutch
MP feed clutch
Registration clutch
Middle clutch
Clean with isopropyl alcohol.
Check visually and replace any
deformed (see page 1-5-14, 1-5-16).
Check visually and remedy if necessary.
Clean with isopropyl alcohol.
Check visually and remedy if necessary.
Check the paper width guide visually
and remedy or replace if necessary.
Change the paper.
Load the paper correctly.
Replace the retard roller if it is worn
(see page 1-5-12).
Change the paper.
Check visually and remedy if necessary.
Check visually and replace the fuser
unit (see page 1-5-25).
Clean the drum unit or developing unit.
Grease the bushes and gears.
Check visually and remedy if necessary.
1-4-40
Corrective measures
2KT/2KV