2GZ/2G1
1-4-41
1-4-5 Mechanical problems
Problem Causes/check procedures Corrective measures
(1)
No primary paper feed.
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.
Clean with isopropyl alcohol.
Check if the upper/lower forwarding pulleys,
upper/lower paper feed pulleys or upper/lower
separation pulleys is deformed.
Replace the pulley if it is deformed (see
page 1-5-2).
Check if the MP forwarding pulley, MP paper
feed pulley or MP separation pulley is
deformed.
Replace the pulley if it is deformed (see
page 1-5-4).
Electrical problem with the following clutches:
upper/lower paper feed clutches, feed
clutches 1/2/3, MP paper feed clutch and MP
feed clutch.
See page 1-4-38.
(2)
No secondary paper
feed.
Check if the surfaces of the right and left reg-
istration rollers are dirty with paper powder.
Clean with isopropyl alcohol.
Electrical problem with the registration clutch. See page 1-4-38.
(3)
Skewed paper feed.
Width guide in a cassette installed incorrectly. Check the width guide visually and correct
or replace if necessary.
Deformed width guide in a cassette. Check visually and replace any deformed
guide.
Check if a pressure spring along the paper
conveying path is deformed or out of place.
Repair or replace.
(4)
Multiple sheets of paper
are fed at one time.
Paper is extremely curled. Change the paper.
Check if the upper or lower separation pulley
is worn.
Replace the upper or lower separation pul-
ley if it is worn (see page 1-5-2).
Check if the MP separation pulley is worn. Replace the MP separation pulley if it is
worn (see page 1-5-4).
(5)
Paper jams.
Paper is extremely curled. Change the paper.
Deformed guides along the paper conveying
path.
Check visually and replace any deformed
guides.
Check if the contact between the right and left
registration rollers is correct.
Check visually and remedy if necessary.
Check if the contact between the feed roller
and feed pulley is correct.
Check visually and remedy if necessary.
Check if the press roller is extremely dirty or
deformed.
Clean or replace the press roller.
Check if the contact between the heat roller
and its separation claws is correct.
Repair if any springs are off the separation
claws.
Check if the contact between the eject roller
and pulley is correct.
Check visually and remedy if necessary.
The feedshift solenoid malfunctions. See page 1-4-38.
Check if the duplex feed pulley, upper duplex
feed roller or lower duplex feed roller is
deformed.
Check visually and replace the pulley or
roller if deformed.
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