Kyocera ECOSYS M3040dn Service Manual page 200

Code Contents
Zero-cross signal error
6400
While fuser heater ON/OFF
control is performed, the zero-
cross signal is not input within
2 s.
7000 Toner motor error
During driving the toner motor,
an over-current detection sig-
nal is detected at intervals of
10 ms as for 300 accumula-
tion.
Related parts
Fuser unit
Power source
Replace the power source PWB (see page
PWB 2-2-12).
Connect right PWB Replace the connect right PWB (see page 2-
2-12).
Control PWB
Replace the control PWB (see page 2-2-12).
Connector cable or Reinsert the connector. Also check for conti-
poor contact in the nuity within the connector cable. If none,
connector replace the cable.
Toner motor and drum PWB (YC4)
Drum PWB and drum connect PWB (YC1)
Drum connect PWB and connect left PWB
(YC3)
Connect left PWB and control PWB (YC3)
Drum unit
Replace the drum unit.
Connect left PWB
Replace the connect left PWB (see page 2-
2-12).
Control PWB
Replace the control PWB and check for cor-
rect operation (see page 2-2-12).
1-4-38
2NM/2NX/2NY/2NZ/2P0/2P6
Check procedures/
corrective measures
1. Confirm that the wiring connector is
firmly connected and, if necessary,
connect the connector all the way in.
Power source PWB and connect right
PWB (YC4)
Connect right PWB and control PWB
(YC29)
2. If the wiring is disconnected, shorted or
grounded, replace the wiring.