2KJ/2KH
1-4-36
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:
forwarding pulley, paper feed pulley, separa-
tion pulley, registration roller, MP paper feed
pulley and MP separation pad.
Clean with isopropyl alcohol.
Check if the upper/lower forwarding pulleys,
forwarding pulley, paper feed pulley or sepa-
ration pulley is deformed.
Replace the pulley if it is deformed (see
page 1-5-3).
Check if the MP paper feed pulley or MP sep-
aration pad is deformed.
Replace the pulley if it is deformed (see
page 1-5-18).
Electrical problem with the following clutches
and solenoid:
paper feed clutch, registration clutch and MP
solenoid.
See page 1-4-32.
(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 1-4-32.
(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)
The scanner does not
travel.
Check if the scanner wire is loose.
Reinstall the scanner wire (see page 1-5-
26).
The scanner motor malfunctions.
See page 1-4-32.
(5)
Multiple sheets of paper
are fed at one time.
Paper is extremely curled.
Change the paper.
Check if the separation pulley is worn.
Replace the separation pulley if it is worn
(see page 1-5-3).
Check if the MP separation pad is worn.
Replace the MP separation pad if it is worn
(see page 1-5-18).
(6)
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 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.
(7)
Toner drops on the paper
conveying path.
Check if the developing unit is extremely dirty. Clean the developing unit.
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Страница 234: ...2KJ 2KH 2 1 18 Figure 2 1 19 Duplex section block diagram CPWB DUP PCSW IPPSWN YC5 5 YC1 YC7 DUPFCL ICLTN YC5 8 EPWB ...
Страница 292: ...INSTALLATION GUIDE FOR PAPER FEEDER ...
Страница 306: ...INSTALLATION GUIDE FOR DUPLEX UNIT ...
Страница 315: ...INSTALLATION GUIDE FOR BUILT IN FINISHER ...
Страница 327: ...INSTALLATION GUIDE FOR JOB SEPARATOR ...
Страница 336: ...INSTALLATION GUIDE FOR FAX System R ...
Страница 351: ...INSTALLATION GUIDE FOR Scan System F B ...
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