Olivetti d-COPIA 3500MF, Service Manual

Page: 318 / 753

2LL/2LJ/2LH
1-4-76
1-4-5 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.
Forwarding pulley
Paper feed pulley
MP paper feed pulley Clean with isopropyl alcohol.
Check if the following rollers is deformed.
Forwarding pulley
Paper feed pulley
MP paper feed pulley Check visually and replace any
deformed (see page 1-5-7, 1-5-10, 1-5-
14).
Defective paper feed clutch 1, 2 installa-
tion. Check visually and remedy if necessary.
(2)
No secondary paper
feed. Check if the surfaces of the following roll-
ers are dirty with paper powder.
Right registration roller
Left registration roller Clean with isopropyl alcohol.
Defective registration motor installation.
(45 ppm/55 ppm model)
Defective registration clutch installation.
(35 ppm model) Check visually and remedy if necessary.
(3)
Skewed paper feed. Paper width guide in a cassette installed
incorrectly. Check the paper width guide visually
and remedy or replace if necessary.
(4)
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 separation pulley is worn. Replace the separation pulley if it is
worn (see page 1-5-7, 1-5-10).
(5)
Paper jams. Check if the paper is excessively curled. Change the paper.
Check if the contact between the right
and left registration rollers is correct. Check visually and remedy if necessary.
Check if the heat roller or press roller is
extremely dirty or deformed. Check visually and replace the fuser
unit (see page 1-5-36).
(6)
Toner drops on the
paper conveying path.
Check if the drum unit or developer unit
is extremely dirty. Clean the drum unit or developer unit.
Service Manual Y113350-5