Kyocera FS-1040, Service Manual

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2M2/2M3
1-4-17
1-4-5 Mechanical problems
If the part causing the problem was not supplied, use the unit including the part for replacement.
Problem Causes/check procedures Corrective measures
(1)
No paper feed. Check if the surfaces of the paper feed
pulley is dirty with paper powder. Clean with isopropyl alcohol.
Check if the paper feed pulley is
deformed. Check visually and replace any
deformed (see page 2-4-5).
Defective paper feed solenoid installa-
tion. Check visually and remedy if necessary.
Check if the surfaces of the lower regis-
tration roller and upper registration roller
is dirty with paper powder. Clean with isopropyl alcohol.
(2)
Skewed paper feed. The paper width guide is not placed cor-
rectly. Place the paper width guide correctly
(see page 1-2-5).
Paper width guide in a cassette installed
incorrectly. Check the paper width guide visually
and remedy or replace if necessary.
(3)
Multiple sheets of
paper are fed at one
time. Check if the paper is excessively curled. Change the paper.
Paper is loaded incorrectly. Load the paper correctly.
Check if the separation pad is worn. Replace the separation pad if it is worn
(see page 2-4-5).
(4)
Paper jams. Check if the paper is excessively curled. Change the paper.
Check if the contact between the lower
and upper registration rollers is correct. Check visually and remedy if necessary.
Check if the heat roller or press roller is
extremely dirty or deformed. Check visually and replace the fuser
unit (see page 1-5-6).
Check if the contact between the duplex
roller and duplex pulleys is correct.
(25/26 ppm model only) Check visually and remedy if necessary.
(5)
Toner drops on the
paper conveying path. Check if the drum unit or developer unit
is extremely dirty. Clean the drum unit or developer unit.
(6)
Abnormal noise is
heard. Check if the pulleys, rollers and gears
operate smoothly. Grease the bearings and gears.