2NC/2NF/2NG/2NN/3P7/3P8/3P9
1-4-92
(11)
The size of paper
on the cassette is
not displayed cor-
rectly.
1. Defective connector
cable or poor con-
tact in the connector.
Reinsert the connector. Also check for continuity within the
connector cable. If none, replace the cable.
Paper length switch and main/engine PWB (YC5)
Paper width switch and main/engine PWB (YC5)
2. Defective switch. Replace the paper length switch or paper width switch.
3. Defective PWB. Replace the main/engine PWB and check for correct oper-
ation (see page 2-2-11).
(12)
A paper jam in the
paper feed, paper
conveying or eject
section is indi-
cated when the
main power switch
is turned on.
1. A piece of paper torn
from paper is caught
around registration
sensor, fuser eject
sensor
Check visually and remove it, if any.
2. Defective sensor. Replace the registration sensor or fuser eject sensor.
(13)
A message indicat-
ing cover open is
displayed when the
front cover is
closed.
1. Defective connector
cable or poor con-
tact in the connector.
Reinsert the connector. Also check for continuity within the
connector cable. If none, replace the cable.
Front cover switch and main/engine PWB (YC5)
2. Defective switch. Replace the front cover switch.
3. Defective PWB. Replace the main/engine PWB and check for correct oper-
ation (see page 2-2-11).
(14)
A message indicat-
ing unit open is dis-
played when the
right cover is
closed.
1. Defective connector
cable or poor con-
tact in the connector.
Reinsert the connector. Also check for continuity within the
connector cable. If none, replace the cable.
Right cover switch and main/engine PWB (YC15,YC26)
2. Defective switch. Replace the right cover switch.
Problem Causes Check procedures/corrective measures
To Next Page
Loading...
