2KA
1-4-35
C2600 PF paper conveying motor error
(optional paper feeder)
The lock signal of the motor is detected
above 450 ms.
Poor contact in the
connector termi-
nals.
Check the connection of connector YC27 on
the engine PWB and the connector on the
PF main PWB, and the continuity across the
connector terminals. Repair or replace if
necessary.
Defective drive
transmission sys-
tem.
Check if the rollers and gears rotate
smoothly. If not, grease the bushings and
gears. Check for broken gears and replace if
any.
Defective paper PF
paper conveying
motor.
Replace the PF paper conveying motor.
Defective PWB. Replace the PF main PWB or engine PWB
and check for correct operation.
C2700 Color release motor error
After driving of the color release motor
starts, the error signal is not at the H
level for 4 s continuously.
After driving of the color release motor
starts, the release signal does not turn to
the L level within 5 s.
Poor contact in the
connector termi-
nals.
Check the connection of connector YC28 on
the engine PWB and the connector of the
color release motor, and the continuity
across the connector terminals. Repair or
replace if necessary.
Defective color
release motor.
Replace the color release motor.
Defective engine
PWB.
Replace the engine PWB and check for cor-
rect operation
C2810 Waste toner motor error
After driving of the waste toner motor
starts, the error signal is not at the H
level for 2 s continuously.
Poor contact in the
connector termi-
nals.
Check the connection of connector YC12 on
the engine PWB and the connector of the
waste toner motor, and the continuity across
the connector terminals. Repair or replace if
necessary.
Defective drive
transmission sys-
tem.
Check if the rollers and gears rotate
smoothly. If not, grease the bushings and
gears. Check for broken gears and replace if
any.
Defective waste
toner motor.
Replace the waste toner motor.
Defective engine
PWB.
Replace the engine PWB and check for cor-
rect operation.
C2950 Motor control PWB communication
error
A communication error from motor con-
trol PWB is detected 10 times in succes-
sion.
Poor contact in the
connector termi-
nals.
Check the connection of connector YC14
and YC15 on the engine PWB and the con-
nector of the motor control PWB, and the
continuity across the connector terminals.
Repair or replace if necessary.
Defective PWB. Replace the motor control PWB or engine
PWB and check for correct operation.
Code Contents
Remarks
Causes Check procedures/corrective measures