Mechanical Problems - Kyocera KM-3050 Service Manual

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Mechanical problems

Problem
(1)
No primary paper feed.
(2)
No secondary paper
feed.
(3)
Skewed paper feed.
(4)
The scanner does not
travel.
(5)
Multiple sheets of paper
are fed at one time.
Causes/check procedures
Check if the surfaces of the following rollers or
pulleys are dirty with paper powder: upper/
lower forwarding pulleys, upper/lower paper
feed pulleys, upper/lower separation pulleys,
feed rollers, registration rollers, MP forward-
ing pulley, MP paper feed pulley and MP sep-
aration pulley.
Check if the upper/lower forwarding pulleys,
upper/lower paper feed pulleys or upper/lower
separation pulleys is deformed.
Check if the MP forwarding pulley, MP paper
feed pulley or MP separation pulley is
deformed.
Electrical problem with the following clutches:
upper/lower paper feed clutches, feed
clutches 1/2/3, MP paper feed clutch and MP
feed clutch.
Check if the surfaces of the right and left reg-
istration rollers are dirty with paper powder.
Electrical problem with the registration clutch.
Width guide in a cassette installed incorrectly. Check the width guide visually and correct
Deformed width guide in a cassette.
Check if a pressure spring along the paper
conveying path is deformed or out of place.
Check if the scanner wire is loose.
The scanner motor malfunctions.
Paper is extremely curled.
Check if the upper or lower separation pulley
is worn.
Check if the MP separation pulley is worn.
Corrective measures
Clean with isopropyl alcohol.
Replace the pulley if it is deformed (see
page 1-5-3).
Replace the pulley if it is deformed (see
page 1-5-5).
See page 1-4-51.
Clean with isopropyl alcohol.
See page 1-4-51.
or replace if necessary.
Check visually and replace any deformed
guide.
Repair or replace.
Reinstall the scanner wire (see page 1-5-
14).
See page 1-4-51.
Replace the paper.
Replace the upper or lower separation pul-
ley if it is worn (see page 1-5-3).
Replace the MP separation pulley if it is
worn (see page 1-5-5).
2GN/2GP/2GR
1-4-55