2T6/2T7/2T8/2T9
1-4-38
(16)
A paper jam in the
paper feed, paper
conveying or eject
section is indi-
cated when the
main power switch
is turned on.
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.
Regist sensor 2 and Drum PWB (YC6)
DU sensor 1 and Relay-L PWB (YC9)
PF feed sensor and PF main PWB
Eject full sensor and engine PWB (YC12)
Eject sensor and Engine PWB (YC26)
2. A piece of paper torn
from paper is caught
around registration
sensor, duplex sen-
sor, PF feed sensor,
eject full sensor or
eject sensor.
Check visually and remove it, if any.
3. Defective sensor. Replace the registration sensor, duplex sensor, PF feed
sensor, eject full sensor or eject sensor.
4. Defective PWB. Replace the engine PWB and check for correct operation
(see page 1-5-22).
(17)
A message indicat-
ing cover open is
displayed when the
top 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.
Interlock switch and engine PWB (YC6)
2. Defective interlock
switch.
Check and replace if necessary.
3. Defective PWB. Replace the engine PWB and check for correct operation
(see page 1-5-22).
(18)
A message indicat-
ing cover open is
displayed when the
rear 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.
Rear cover switch and relay-L PWB (YC10)
Relay-L PWB and engine PWB (YC2/YC31)
2. Defective rear cover
switch.
Check and replace if necessary.
3. Defective PWB. Replace the engine PWB or the relay-L PWB and check for
correct operation (see page 1-5-22, 1-5-24).
Problem Causes Check procedures/corrective measures
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