2MN/2N1
1-4-97
(27)
The message
requesting paper to
be loaded is shown
when paper is
present on the MP
tray.
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.
MP paper sensor and relay PWB (YC3)
Relay PWB (YC12) and feed PWB 1 (YC17)
Feed PWB 1 (YC1)and engine PWB (YC6)
2. Deformed actuator. Check visually and replace if necessary.
3. Defective sensor. Replace the MP paper sensor.
4. Defective PWB. Replace the feed PWB 1 or engine PWB and check for cor-
rect operation (see page 1-5-49).
(28)
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 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)
2. Defective switch. Replace the paper length switch 1, 2 or paper width switch
1, 2.
3. Defective PWB. Replace the feed PWB 2 or engine PWB and check for cor-
rect operation (see page 1-5-49).
(29)
The size of paper
on the MP tray 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.
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)
2. Defective switch. Replace the MP paper length switch or MP paper width
switch.
3. Defective PWB. Replace the relay PWB, feed PWB 1 or engine PWB and
check for correct operation (see page 1-5-49).
(30)
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 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.
Check visually and remove it, if any.
2. Defective sensor. 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.
Problem Causes Check procedures/corrective measures
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