Kyocera TASKalfa 3050ci Service Manual page 343

Problem
(37)
A message indicat-
ing cover open is
displayed when the
duplex cover is
closed.
(38)
A message indicat-
ing cover open is
displayed when the
paper conveying
cover is closed.
Causes
1. Defective connector
cable or poor con-
tact in the connector.
2. Defective switch.
1. Defective connector
cable or poor con-
tact in the connector.
2. Defective switch.
Check procedures/corrective measures
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 engine PWB (YC14)
Replace the duplex cover switch.
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 (YC14) and power source PWB (YC4)
Replace the paper conveying cover switch.
1-4-103
2LK/2LN/2LM/2LC