2KJ/2KH
1-4-20
C0920 Fax file system error
The backup data is not retained for file
system abnormality of flash memory of
the fax control PWB.
Defective fax con-
trol PWB.
Replace the fax control PWB and verify the
operation.
C2000 Drive motor problem
A stable state does not continue for 1 s
from 1 s after the drive motor is acti-
vated.
Poor contact in the
connector termi-
nals.
Check the connection of connector YC6 on
the engine PWB and the connector on the
drive 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 engine
PWB.
Replace the engine PWB and check for cor-
rect operation.
Defective drive
motor.
Replace the drive motor.
C2200 Drum motor problem
A stable state does not continue for 1 s
from 1 s after the drum motor is acti-
vated.
Poor contact in the
connector termi-
nals.
Check the connection of connector YC6 on
the engine PWB and the connector on the
drum 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 engine
PWB.
Replace the engine PWB and check for cor-
rect operation.
Defective drum
motor.
Replace the drum motor.
C3100 Scanner carriage problem
The home position is not correct when
the power is turned on or at the start of
copying using the table.
Poor contact in the
connector termi-
nals.
Check the connection of connector YC5 on
the engine PWB and the connector on the
home position switch, and the continuity
across the connector terminals. Repair or
replace if necessary.
Defective home
position switch.
Replace the home position switch.
Defective scanner
motor.
Replace the scanner motor.
The mirror frame,
exposure lamp, or
scanner wire is
defective.
Check if the mirror flames and exposure
lamp are on the rail. And check the scanner
wire winds correctly.
Defective engine
PWB.
Replace the engine PWB and check for cor-
rect operation.
Code Contents
Remarks
Causes Check procedures/corrective measures