Kyocera Mita KM-4530 Service Manual page 202

1-5-5 Mechanical problems
• Copier
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)
No refeed.
(7)
Paper jams.
Causes/check procedures
Check if the surfaces of the following rollers
or pulleys are dirty with paper powder: for-
warding pulleys, upper/lower paper feed pul-
leys, upper/lower feed rollers, vertical paper
conveying rollers A/B/C/D/E, feed pulleys,
bypass forwarding roller and bypass upper/
lower paper feed pulleys.
Check if the upper or lower paper feed pul-
ley or forwarding pulley is deformed.
Electrical problem with the following electro-
magnetic clutches: paper feed clutches 1/2/
3/4, feed low clutches 1/2, feed high
clutches 1/2, feed clutches 3/4/5, deck feed
clutch and bypass paper feed clutch.
Check if the surfaces of the upper and lower
registration rollers are dirty with paper pow-
der.
Electrical problem with the registration
clutch.
Width guide in a cassette installed incor-
rectly.
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.
Check if the lower paper feed pulley is worn.
Check if the paper is curled.
Check if the surfaces of the following rollers
are dirty with paper powder: duplex upper/
lower registration rollers, duplex upper/lower
conveying rollers and duplex upper/lower
eject rollers.
Check if the paper is excessively curled.
Deformed guides along the paper conveying
path.
Check if the contact between the upper and
lower registration rollers is correct.
Check if the contact between the upper and
lower feed rollers is correct.
Check if the fixing unit upper or lower guide
is deformed.
Corrective measures
Clean with isopropyl alcohol.
Check visually and replace any deformed
pulleys (see page 1-6-3).
See pages 1-5-45, 46, and 47.
Clean with isopropyl alcohol.
See page 1-5-44.
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-
22).
See page 1-5-42.
Replace the lower paper feed pulley if it is
worn (see page 1-6-3).
Change the paper.
Clean with isopropyl alcohol.
Change the paper.
Repair or replace if necessary.
Check visually and remedy if necessary.
Check visually and remedy if necessary.
Repair or replace if necessary.
2BC/D
1-5-55