Mechanical Problems - Kyocera FS 1100 - B/W Laser Printer Service Manual

2H5/2HS
1-4-5

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.
1-4-16
Causes/check procedures
Check if the surfaces of the paper feed roller
is dirty with paper powder.
Check if the paper feed roller is 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.
Paper width guide in a cassette installed
incorrectly.
Check if the separator pad or MPF separation
pad (duplex model only) is worn.
Check if the paper is curled.
Check if the paper is excessively curled.
Check if the contact between the upper and
lower registration rollers is correct.
Check if the heat roller or press roller is
extremely dirty or deformed.
Check if the contact between the ejection
roller and fuser ejection pulley is correct.
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:
Paper feed clutch, registration clutch and
developing clutch.
Corrective measures
Clean with isopropyl alcohol.
Check visually and replace any deformed
paper feed roller (assembly) (See page 1-5-
6).
Check visually and remedy if necessary.
Clean with isopropyl alcohol.
Check visually and remedy if necessary.
Check the paper width guide visually and
correct or replace if necessary.
Replace the separator pad if it is worn.
Replace the paper.
Replace the paper.
Check visually and remedy if necessary.
Replace the fuser unit (See page 1-5-16).
Check visually and remedy if necessary.
Clean the drum unit or developing unit (See
page 1-5-11 or 1-5-12).
Grease the bearings and gears.
Check visually and remedy if necessary.