Mechanical Problems; No Primary Paper Feed; No Secondary Paper Feed; Skewed Paper Feed - Kyocera KM-2550 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.
(6)

Paper jams.

Causes/check procedures
Check if the surfaces of the following rollers or
pulleys are dirty with paper powder: forward-
ing pulley, paper feed pulley, separation pul-
ley, registration rollers, bypass paper feed
pulley, bypass separation pad, feed roller,
drawer forwarding pulley, drawer paper feed
pulley and drawer separation pulley.
Check if the forwarding pulley, paper feed pul-
ley or separation pulley is deformed.
Check if the drawer forwarding pulley, drawer
paper feed pulley or drawer separation pulley
is deformed.
Electrical problem with the following electro-
magnetic clutches: paper feed clutch, bypass
paper feed solenoid and drawer paper feed
clutch.
Check if the surfaces of the right and left reg-
istration rollers are dirty with paper powder.
Electrical problem with the registration motor.
Width guide in a drawer installed incorrectly.
Deformed width guide in a drawer.
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.
Check if the separation pulley or drawer sepa-
ration pulley is worn.
Check if the paper is curled.
Check if the paper is excessively curled.
Deformed guides along the paper conveying
path.
Check if the contact between the right and left
registration rollers is correct.
Check if the press roller is extremely dirty or
deformed.
Check if the contact between the heat roller
and its separation claws is correct.
Check if the contact between the exit roller
and pulley is correct.
Corrective measures
Clean with isopropyl alcohol.
Check visually and replace any deformed
pulleys (see pages 1-6-3 and 5).
Check visually and replace any deformed-
pulleys (see pages 1-6-8 to 10).
See pages 1-5-35 and 36.
Clean with isopropyl alcohol.
See page 1-5-34.
Check the width guide visually and correct
or replace if necessary.
Repair or replace if necessary.
Repair or replace.
Reinstall the scanner wire (see page 1-6-
23).
See page 1-5-35.
Replace the separation pulley if it is worn
(see page 1-6-3 and 8).
Change the paper.
Change the paper.
Repair or replace if necessary.
Check visually and remedy if necessary.
Clean or replace the press roller (see page
1-6-45).
Repair if any springs are off the separation
claws.
Check visually and remedy if necessary.
2FT
1-5-39