Kyocera TASKalfa 5551ci - Developer Motor MCY Error

2L6/2N6/2N5/2N4
1-4-84
2103 Developer motor MCY error
After developer motor MCY is
driven, the ready signal does
not turn to L within 5 s.
After developer motor MCY is
stabilized, the ready signal is
at the H level for 5 s continu-
ously.
Developer unit
MCY
1. Check that the developer waste lock has
been released and, if not, release the
lock (see page 1-2-15).
2. Check that the gears and spiral screw of
the developer unit are not damaged.
3. Confirm that the developer roller can
rotate.
4. If it won't rotate, replace the developer
unit (see page 1-5-57).
Developer motor
MCY
1. To check the motor operation, execute
DLP(MCY) by U030 (see page 1-3-34).
2. Check the drive gear can rotate or they
are not unusually loaded and, if
necessary, replace.
3. Confirm that the wiring connector is
firmly connected and, if necessary,
connect the connector all the way in.
Developer motor MCY and Motor
control PWB (YC7)
Motor control PWB (YC3) and Engine
PWB (YC9)
4. If the wiring is disconnected, shorted or
grounded, replace the wiring.
5. Replace the Developer motor MCY.
Motor control PWB
Replace the Motor control PWB
Engine PWB.
1. Check the engine software and upgrade
to the latest, if necessary.
2. Replace the engine PWB (see page 1-5-
80).
Code Contents Related parts
Check procedures/
corrective measures