Olivetti d-Copia 3500MF Service Manual page 316

Problem
(32)
The size of paper
on the cassette is
not displayed cor-
rectly.
(33)
The size of paper
on the MP tray is
not displayed cor-
rectly.
(34)
A paper jam in the
paper feed, paper
conveying or eject
section is indi-
cated when the
main power switch
is turned on.
(35)
A message indicat-
ing cover open is
displayed when the
front cover is
closed.
Service Manual
Causes
1. Defective connector
cable or poor con-
tact in the connector.
2. Defective switch.
3. Defective PWB.
1. Defective connector
cable or poor con-
tact in the connector.
2. Defective switch.
3. Defective PWB.
1. A piece of paper torn
from paper is caught
around feed sensor
1, 2, MP feed sensor,
middle sensor, paper
conveying sensor,
registration sensor,
loop sensor, fuser
eject sensor, duplex
sensor 1, 2, eject full
sensor or switch-
back sensor.
2. Defective sensor.
1. Defective connector
cable or poor con-
tact in the connector.
2. Defective switch.
Check procedures/corrective measures
Reinsert the connector. Also check for continuity within the
connector cable. If none, replace the cable.
Paper length switch 1, 2 and feed PWB 2 (YC3)
Paper width switch 1, 2 and feed PWB 2 (YC3)
Feed PWB 2 (YC1) and engine PWB (YC4)
Replace the paper length switch 1, 2 or paper width switch
1, 2.
Replace the engine PWB and check for correct operation
(see page 1-5-43).
Reinsert the connector. Also check for continuity within the
connector cable. If none, replace the cable.
MP paper length switch and relay PWB (YC2)
MP paper width switch and relay PWB (YC2)
Relay PWB (YC12) and feed PWB 1 (YC17)
Feed PWB 1 (YC1)and engine PWB (YC6)
Replace the MP paper length switch or MP paper width
switch.
Replace the engine PWB and check for correct operation
(see page 1-5-43).
Check visually and remove it, if any.
Replace the feed sensor 1, 2, MP feed sensor, middle sen-
sor, paper conveying sensor, registration sensor, loop sen-
sor, fuser eject sensor, duplex sensor 1, 2, eject full sensor
or switchback sensor.
Reinsert the connector. Also check for continuity within the
connector cable. If none, replace the cable.
Front cover switch and front PWB (YC8)
Front PWB (YC2) and engine PWB (YC8)
Replace the front cover switch.
1-4-74
2LL/2LJ/2LH
Y113350-5