2KA
1-4-67
1-4-5 Mechanical problems
Problem Causes/check procedures Corrective measures
(1)
No primary paper feed.
Check if the surfaces of the following pulleys
are dirty with paper powder: forwarding pulley,
paper feed pulley, separation pulley, MP for-
warding pulley, MP paper feed pulley and MP
separation pulley
Clean with isopropyl alcohol.
Check if the forwarding pulley, paper feed pul-
ley or separation pulley is deformed.
Replace the pulley if it is deformed (see
page 1-5-3).
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 1-5-8).
Electrical problem with the MP solenoid. See page 1-4-64.
Electrical problem with the following electro-
magnetic clutches: paper feed clutch 1/2 and
MP paper feed clutch
See page 1-4-63.
(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 1-4-63.
(3)
Skewed paper feed.
Paper width guides in a cassette installed
incorrectly.
Check the paper width guides visually and
correct or replace if necessary.
Deformed paper width guides in a cassette. Check visually and replace any deformed.
Check if a pressure spring along the paper
conveying path is deformed or out of place.
Repair or replace.
Paper width guides of MP tray installed incor-
rectly.
Check the paper width guides visually and
correct or replace if necessary.
Deformed paper width guides of MP tray. Check visually and replace any deformed.
(4)
Multiple sheets of paper
are fed at one time.
Paper is extremely curled. Change the paper.
Paper is loaded incorrectly. Load the paper correctly.
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 pulley is worn. Replace the MP separation pulley if it is
worn (see page 1-5-8).
Check if the spring which pressurizes the sep-
aration pulley or the MP separation pulley is
damaged or not in position.
Repair or replace.
(5)
Paper jams.
Check if the paper is excessively 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 whether or not the drive for waste
toner disposal is locked.
Check the waste toner sensor visually and
correct or replace if necessary.
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