Kyocera ECOSYS M3040dn Service Manual page 264

Problem
(25)
A message indicat-
ing cover open is
displayed when the
DP top cover is
closed.
Causes
1. Defective connector
cable or poor con-
tact in the connector.
2. Defective DP open/
close sensor.
3. Defective PWB.
Check procedures/corrective measures
Reinsert the connector. Also check for continuity within the
connector cable. If none, remedy or replace the cable.
DP open/close sensor and control PWB (YC1001)
Replace the DP open/close sensor.
Replace the control PWB and check for correct operation
(see page 2-2-12).
1-4-102
2NM/2NX/2NY/2NZ/2P0/2P6