2M4/2M5/2M6/2M7-1
1-4-18
(5)
Paper feed sole-
noid does not oper-
ate.
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 feed solenoid and relay PWB (YC3)
Relay PWB and main PWB (YC14)
2. Defective solenoid. Replace the paper feed solenoid.
3. Defective PWB. Replace the relay PWB or main PWB and check for correct
operation (see page 1-5-18).
(6)
Duplex solenoid
does not operate.
(25/26 ppm model
only)
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.
Duplex solenoid and relay PWB (YC2)
Relay PWB and main PWB (YC14)
2. Defective solenoid. Replace the duplex solenoid.
3. Defective PWB. Replace the relay PWB or main PWB and check for correct
operation (see page 1-5-18).
(7)
Eraser lamp does
not turn 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.
Eraser lamp PWB and main PWB (YC20)
2. Defective Eraser
lamp.
Replace the Eraser lamp PWB.
3. Defective PWB. Replace the main PWB and check for correct operation
(see page 1-5-18).
(8)
A paper jam in the
paper feed/convey-
ing section or fuser
section is indi-
cated when the
power switch is
turned on.
1.
A piece of paper torn
from paper is caught
around registration
sensor or d
uplex sen-
sor.
Check visually and remove it, if any.
2. Defective sensor. Replace the
registration sensor or duplex sensor.
(9)
Attention indicator
is lit when the front
and 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.
Power source PWB (YC103) and main PWB (YC12)
2. Defective switch. Check for continuity across the cover switch. If there is no
continuity when the cover switch is on, replace the power
source PWB (see page 1-5-18).
3. Failure of improper
controller unit
installation.
Check that the cover open-close lever A turns on the cover
switch when the front and rear covers are closed.
If it won’t turn on when covers are closed, re-seat the con-
troller unit (see page 1-5-24).
Problem Causes Check procedures/corrective measures