Code :

Code: 0870
Description: FAX control PWB to main PWB high capacity data transfer error
High-capacity data transfer between the FAX control PWB and the main PWB of the machine was not normally performed even if the data transfer was retried the specified times
Causes: Improper installation FAX control PWB.
Defective FAX control PWB or main PWB.
Remedy: Improper installation FAX control PWB. Reinstall the FAX control PWB.
Defective FAX control PWB or main PWB. Replace the FAX control PWB or main PWB and check for correct operation.

Code: 0920
Description: Fax file system error
The backup data is not retained for file system abnormality of flash memory of the FAX control PWB.
Causes: Defective FAX control PWB.
Remedy: Replace the fax control PWB and check for correct operation.

Code: 0980
Description: 24 V power down detect 24V disconnection signal is detected for 1 s and 12V disconnection signal is not detected.
Causes: Defective power source PWB.
Remedy: Replace the power source PWB and check for correct operation.

Code: 1000
Description: MP lift motor error
After the MP lift motor is driven, the ON status of MP lift sensors 1 and 2 cannot be detected for 3 s.
Causes: Defective MP plate elevation mechanism.
Defective connector cable or poor contact in the connector.
Defective drive transmission system of motor.
Defective MP lift motor.
Defective engine PWB.
Remedy: Defective MP plate elevation mechanism. Check to see if the MP plate can move smoothly and repair it if any problem is found.
Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. MP lift motor and relay PWB (YC3) Relay PWB (YC12) and feed PWB 1 (YC17) Feed PWB 1 (YC1) and engine PWB (YC6)
Defective drive transmission system of motor. Check if the gears rotate smoothly. If not, grease the bushes and gears. Check for broken gears and replace if any.
Defective MP lift motor. Replace the MP lift motor.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 1010
Description: Lift motor 1 error
After cassette 1 is inserted, lift sensor 1 does not turn on within 12 s. This error is detected 5 times successively. The lock signal of the motor is detected continuously for 1 s. This error is detected 5 times successively.
Causes: Defective bottom plate elevation mechanism in the cassette.
Defective connector cable or poor contact in the connector.
Defective drive transmission system of motor.
Defective lift motor 1.
Defective engine PWB.
Remedy: Defective bottom plate elevation mechanism in the cassette. Check to see if the bottom plate can move smoothly and repair it if any problem is found.
Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Lift motor 1 and feed PWB 2 (YC3) Feed PWB 2 (YC1) and engine PWB (YC4)
Defective drive transmission system of motor. Check if the gears rotate smoothly. If not, grease the bushes and gears. Check for broken gears and replace if any.
Defective lift motor 1. Replace the lift motor 1.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 1020
Description: Lift motor 2 error
After cassette 2 is inserted, lift sensor 2 does not turn on within 12 s. This error is detected 5 times successively. The lock signal of the motor is detected continuously for 1 s. This error is detected 5 times successively.
Causes: Defective bottom plate elevation mechanism in the cassette.
Defective connector cable or poor contact in the connector.
Defective drive transmission system of motor.
Defective lift motor 2.
Defective engine PWB.
Remedy: Defective bottom plate elevation mechanism in the cassette. Check to see if the bottom plate can move smoothly and repair it if any problem is found.
Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Lift motor 2 and feed PWB 2 (YC3) Feed PWB 2 (YC1) and engine PWB (YC4)
Defective drive transmission system of motor. Check if the gears rotate smoothly. If not, grease the bushes and gears. Check for broken gears and replace if any.
Defective lift motor 2. Replace the lift motor 2.
Defective engine PWB. Replace the engine PWB and check for correct operation.

Code: 1050
Description: SM lift motor error (side multi tray)
After cassette 5 is inserted, SM lift sensor does not turn on within 12 s. This error is detected 5 times successively. (Time to detect is 2 seconds at the second time and later.) During driving the motor, the lift overcurrent protective monitor signal is detected for 1 s or more 5 times successively. However, the first 1 s after motor is turned on is excluded from detection.
Causes: Defective bottom plate elevation mechanism in the cassette.
Defective connector cable or poor contact in the connector.
Defective drive transmission system of motor
Defective SM lift motor.
Defective SM main PWB.
Remedy: Defective bottom plate elevation mechanism in the cassette. Check to see if the bottom plate can move smoothly and repair it if any problem is found.
Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. SM lift motor and SM main PWB (YC5)
Defective drive transmission system of motor. Check if the gears rotate smoothly. If not, grease the bushes and gears. Check for broken gears and replace if any.
Defective SM lift motor. Replace the SM lift motor.
Defective SM main PWB. Replace the SM main PWB (Refer to the service manual for the paper feeder).

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