2MN/2N1
1-4-98
(31)
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 front PWB (YC16)
Front PWB (YC2) and engine PWB (YC10)
2. Defective switch. Replace the front cover switch.
(32)
A message indicat-
ing unit open is dis-
played when the
paper conveying
unit 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.
Paper conveying unit switch and feed PWB 1 (YC15)
Feed PWB 1 (YC4) and power source PWB (YC12)
2. Defective switch. Replace the paper conveying unit switch.
(33)
A message indicat-
ing cover open is
displayed when the
duplex 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.
Duplex cover switch and relay PWB (YC7)
Relay PWB (YC1) and feed PWB 1 (YC14)
Feed PWB 1 (YC1)and engine PWB (YC6)
2. Defective switch. Replace the duplex cover switch.
(34)
A message indicat-
ing cover open is
displayed when the
paper conveying
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.
Paper conveying cover switch and feed PWB 2 (YC6)
Feed PWB 2 (YC1) and power source PWB (YC4)
2. Defective switch. Replace the paper conveying cover switch.
Problem Causes Check procedures/corrective measures
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