Mechanical Problems - Kyocera FS-C5350DN Service Manual

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Mechanical problems

Problem
(1)No primary paper
feed.
(2)No secondary paper
feed.
(3)Skewed paper feed.
(4)Multiple sheets of
paper are fed at one
time.
(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 paper feed roller,
MP paper feed roller are dirty with paper pow-
der.
Check if the paper feed roller, MP paper feed
roller are deformed.
Defective paper feed clutch installation.
Check if the surfaces of the upper and lower
registration rollers are dirty with paper pow-
der.
Defective registration clutch installation.
Width guide in a cassette installed incorrectly. Check the width guide visually and correct
Deformed width guide in a cassette.
Defective MP tray slider installation.
Deformed MP tray slider.
Check if the paper is curled.
Paper is not placed correctly in the cassette.
Check if the retard roller is worn.
Check if the separator pad or MPF separation
pad 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 pulleys, rollers and gears operate
smoothly.
Check if the following electromagnetic
clutches are installed correctly:
Corrective measures
Clean with isopropyl alcohol.
Check visually and replace any deformed
rollers (See page 1-5-8 and 1-5-11).
Check visually and remedy if necessary.
Clean with isopropyl alcohol.
Check visually and remedy if necessary.
or replace if necessary.
Repair or replace if necessary.
Check the slider visually and correct or
replace if necessary.
Check visually and replace any deformed
slider.
Replace the paper.
Set the paper correctly.
Replace the retard roller pulley if it is worn.
Replace the separator pad if it is worn.
Replace the paper.
Check visually and remedy if necessary.
Replace the fuser unit (See page 1-5-25).
Clean the drum unit or developing unit.
Grease the bearings and gears.
Check visually and remedy if necessary.
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