2GZ/2G1
1-4-21
1800 Paper feeder unit communication
problem (optional paper feeder/3000-
sheet paper feeder)
No communication: there is no reply
after 5 retries.
Abnormal communication: a communica-
tion error (parity or checksum error) is
detected five times in succession.
Poor contact in the
connector termi-
nals.
Check the connection of connector on the
engine PWB and the connector on the paper
feeder main PWB, and the continuity across
the connector terminals. Repair or replace if
necessary.
Defective engine
PWB.
Replace the engine PWB and check for cor-
rect operation.
Defective paper
feeder main PWB.
Replace the paper feeder main PWB and
check for correct operation.
1900 Paper feeder EEPROM error (optional
paper feeder)
When writing the data, the write data and
the read data is not continuously in
agreement three times.
Poor contact in the
connector termi-
nals.
Check the connection of connector on the
engine PWB and the connector on the paper
feeder main PWB, and the continuity across
the connector terminals. Repair or replace if
necessary.
Defective engine
PWB.
Replace the engine PWB and check for cor-
rect operation.
Defective paper
feeder.
Replace the paper feeder with another unit
and check the operation. If the operation is
normal, replace or repair optional paper
feeder.
2000 Drive motor problem
Stable OFF is detected for 1 s continu-
ously after drive motor stability.
Poor contact in the
connector termi-
nals.
Check the connection of connector YC11 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.
2250 Main charger cleaning motor error
The lock signal is detected.
Poor contact in the
connector termi-
nals.
Check the connection of connector YC9 on
the engine PWB and the connector on the
main charger cleaning motor, and the conti-
nuity 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 main
charger cleaning
motor.
Replace the main charger cleaning motor.
Code Contents
Remarks
Causes Check procedures/corrective measures