Utax PF 810, Service Manual

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3PJ
1-4-7
1-4-4 Mechanical problems
If the part causing the problem was not supplied, use the unit including the part for replacement.
Problem Causes/check procedures Corrective measures
(1)
No primary paper
feed. Check if the surfaces of the following roll-
ers are dirty with paper powder.
Pickup roller
Paper feed roller Clean with isopropyl alcohol.
Check if the following rollers is deformed.
Pickup roller
Paper feed roller Check visually and replace any
deformed (see page 1-5-2).
Defective PF paper feed clutch installa-
tion. Check visually and remedy if necessary.
(2)
Skewed paper feed. Paper width guide in a cassette installed
incorrectly. Check the paper width guide visually
and remedy or replace if necessary.
(3)
Multiple sheets of
paper are fed. Check if the paper is excessively curled. Change the paper.
Paper is loaded incorrectly. Load the paper correctly.
Check if the retard roller is worn. Replace the retard roller if it is worn
(see page 1-5-2).
(4)
Paper jams. Check if the paper is excessively curled. Change the paper.
Deformed guides along the paper con-
veying path. Check visually and remedy or replace
any deformed guides.
(5)
Abnormal noise is
heard. Check if the rollers, pulleys and gears
operate smoothly. Grease the bushes and gears.
Check if the following clutches are
installed correctly.
PF paper feed clutch 1
PF paper feed clutch 2
PF conveying clutch Check visually and remedy if necessary.