Utax CD 1230, Service Manual

Page: 168 / 302

2GN/2GP/2GR
1-4-55
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 1-4-51.
(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 1-4-51.
(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-
13).
The scanner motor malfunctions. See page 1-4-51.
(5)
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).