Kyocera 300ci Service Manual page 251

Code
C2102 Developing motor MCY error
The rated speed achievement signal
does not turn to L within 2 s since devel-
oping motor MCY is activated.
The rated speed achievement signal is
at the H level for 1 s continuously after
developing motor MCY is stabilized.
C2201 Drum motor K steady-state error
Drum motor K does not keep the steady-
state speed for 5 s successively since
the motor is stabilized.
C2202 Drum motor C steady-state error
Drum motor C does not keep the steady-
state speed for 5 s successively since
the motor is stabilized.
C2203 Drum motor M steady-state error
Drum motor M does not keep the steady-
state speed for 5 s successively since
the motor is stabilized.
Contents
Causes Check procedures/corrective measures
Poor contact in the Check the connection of connector YC16 on
connector termi- the engine PWB and the connector of the
nals. developing motor MCY, and the continuity
across the connector terminals. Repair or
replace if necessary.
Defective drive Check if the rollers and gears rotate
transmission sys- smoothly. If not, grease the bushings and
tem. gears. Check for broken gears and replace if
any.
Defective develop- Run maintenance item U030 and check if
ing motor MCY. the developing motor MCY operates when
YC16-A4 (remote signal) on the engine
PWB goes low. If not, replace the develop-
ing motor MCY.
Defective engine Run maintenance item U030 and check if
PWB. YC16-A4 (remote signal) on the engine
PWB goes low. If not, replace the engine
PWB.
Poor contact in the Check the connection of connector YC8 on
connector termi- the motor control PWB and the connector of
nals. the drum motor K, and the continuity across
the connector terminals. Repair or replace if
necessary.
Defective drum Replace the drum motor K.
motor K.
Defective PWB. Replace the motor control PWB or engine
PWB and check for correct operation.
Poor contact in the Check the connection of connector YC6 on
connector termi- the motor control PWB and the connector of
nals. the drum motor C, and the continuity across
the connector terminals. Repair or replace if
necessary.
Defective drum Replace the drum motor C.
motor C.
Defective PWB. Replace the motor control PWB or engine
PWB and check for correct operation.
Poor contact in the Check the connection of connector YC5 on
connector termi- the motor control PWB and the connector of
nals. the drum motor M, and the continuity across
the connector terminals. Repair or replace if
necessary.
Defective drum Replace the drum motor M.
motor M.
Defective PWB. Replace the motor control PWB or engine
PWB and check for correct operation.
2JZ/2JX/2JV/2H7
Remarks
1-4-33