• Code: 024-0001-05
• Description: The Developing Assembly Toner Level Sensor (S25) is disconnected.
• Causes: <At LOW SPEED> - The Developing Assembly Toner Level Sensor (S25) ON counter is checked every 2.5 seconds, and the counter increments 1 count every 25 times when the sensor goes on, and 300 counts are reached. <At HIGH SPEED> - The Developing Assembly Toner Level Sensor (S25) ON counter is checked every 1.5 seconds, and the counter increments 1 count every 15 times when the sensor goes on, and 300 counts are reached.
• Remedy: [Related parts] - Harness connecting from the DC Controller PCB (UN2/J301) to the Developing Assembly Toner Level Sensor (S25/J25) - Developing Assembly Toner Level Sensor (S25) - DC Controller PCB (UN2) [Remedy] 1.Check/replace the related harness/cable, connector and parts. 2.Replace the DC Controller PCB. [Reference] Before replacing the DC Controller PCB, back up the service mode data and restore the backup data after the replacement so the data may be able to be protected. - Backup: COPIER (LEVEL2)> FUNCTION> SYSTEM> DSRAMBUP - Restoration: COPIER (LEVEL2)> FUNCTION> SYSTEM> DSRAMRES

• Code: 025-0000-05
• Description: The connector of the Toner Feed Level Detection Sensor (S51) is disconnected.
• Causes: The Toner Feed Level Detection Sensor (S51) signal does not detected 10 times in a row at intervals of 100msec. * Error occurs after the delivery if a paper in passage exists.
• Remedy: [Related parts] - Harness connecting from the DC Controller PCB (UN2/J333) to the Toner Feed Level Detection Sensor (S51/J44) - Toner Feed Level Detection Sensor (S51) - DC Controller PCB (UN2) - All-night Power Supply PCB (UN1) [Remedy] 1.Check/replace the related harness/cable, connector and parts. 2.Replace the DC Controller PCB. 3.Replace the All-night Power Supply PCB. [Reference] Before replacing the DC Controller PCB, back up the service mode data and restore the backup data after the replacement so the data may be able to be protected. - Backup: COPIER (LEVEL2)> FUNCTION> SYSTEM> DSRAMBUP - Restoration: COPIER (LEVEL2)> FUNCTION> SYSTEM> DSRAMRES

• Code: 025-0001-05
• Description: Failure of the Bottle Motor (M17)
• Causes: The Bottle Motor (M17) lock signal does not indicate a locked state a specific period of time after the Bottle Motor (M17) has been started. * The same condition is detected after the error retry is performed.
• Remedy: [Related parts] - Harness connecting from the DC Controller PCB (UN2/J324,J9324) to the Bottle Motor (M17/ J41) - Bottle Motor (M17) - DC Controller PCB (UN2) - All-night Power Supply PCB (UN1) [Remedy] 1.Check/replace the related harness/cable, connector and parts. 2.Replace the DC Controller PCB. 3.Replace the All-night Power Supply PCB. [Reference] Before replacing the DC Controller PCB, back up the service mode data and restore the backup data after the replacement so the data may be able to be protected. - Backup: COPIER (LEVEL2)> FUNCTION> SYSTEM> DSRAMBUP - Restoration: COPIER (LEVEL2)> FUNCTION> SYSTEM> DSRAMRES

• Code: 025-0002-05
• Description: Unstable rotation of the Bottle Motor (M17)
• Causes: The Bottle Motor HP Sensor (S52) signal does not indicate a locked state a specific period of time after the Bottle Motor (M17) has been started.
• Remedy: [Related parts] - Harness connecting from the DC Controller PCB (UN2/J324,J9324) to the Bottle Motor (M17/ J41) - Bottle Motor (M17) - DC Controller PCB (UN2) - All-night Power Supply PCB (UN1) [Remedy] 1.Check/replace the related harness/cable, connector and parts. 2.Replace the DC Controller PCB. 3.Replace the All-night Power Supply PCB. [Reference] Before replacing the DC Controller PCB, back up the service mode data and restore the backup data after the replacement so the data may be able to be protected. - Backup: COPIER (LEVEL2)> FUNCTION> SYSTEM> DSRAMBUP - Restoration: COPIER (LEVEL2)> FUNCTION> SYSTEM> DSRAMRES

• Code: 110-0001-05
• Description: Failure of the Polygon Motor (M11)
• Causes: The Polygon Motor (M11) speed lock signal does not indicate a locked state a specific period of time after the Polygon Motor (M11) has been started. * The same condition is detected after the error retry is performed.
• Remedy: [Related parts] - Harness connecting from the DC Controller PCB (UN2/J324,J9324) to the Laser Scanner Unit (J745/J744/J9744/J602/J9602) - Laser Scanner Unit - DC Controller PCB (UN2) [Remedy] 1.Check/replace the related harness/cable, connector and parts. 2.Replace the Laser Scanner Unit. 3.Replace the DC Controller PCB. [Reference] Before replacing the DC Controller PCB, back up the service mode data and restore the backup data after the replacement so the data may be able to be protected. - Backup: COPIER (LEVEL2)> FUNCTION> SYSTEM> DSRAMBUP - Restoration: COPIER (LEVEL2)> FUNCTION> SYSTEM> DSRAMRES

• Code: 110-0002-05
• Description: Failure of the Polygon Motor (M11)
• Causes: The speed lock signal indicates a deviation 10 times in sequence at intervals of 100 msec after the signal has indicated a locked state. * The same condition is detected after the error retry is performed.
• Remedy: [Related parts] - Harness connecting from the DC Controller PCB (UN2/J324,J9324) to the Laser Scanner Unit (J745/J744/J9744/J602/J9602) - Laser Scanner Unit - DC Controller PCB (UN2) [Remedy] 1.Check/replace the related harness/cable, connector and parts. 2.Replace the Laser Scanner Unit. 3.Replace the DC Controller PCB. [Reference] Before replacing the DC Controller PCB, back up the service mode data and restore the backup data after the replacement so the data may be able to be protected. - Backup: COPIER (LEVEL2)> FUNCTION> SYSTEM> DSRAMBUP - Restoration: COPIER (LEVEL2)> FUNCTION> SYSTEM> DSRAMRES

• Code: 110-0003-05
• Description: Failure of the Polygon Motor (M11)
• Causes: The Polygon Motor (M11) speed lock signal does not indicate a locked state for 6.5 sec. after a switchover is made from low to normal speed or for 8 sec. after a switchover is made from normal to low speed. * The same condition is detected after the error retry is performed.
• Remedy: [Related parts] - Harness connecting from the DC Controller PCB (UN2/J324,J9324) to the Laser Scanner Unit (J745/J744/J9744/J602/J9602) - Laser Scanner Unit - DC Controller PCB (UN2) [Remedy] 1.Check/replace the related harness/cable, connector and parts. 2.Replace the Laser Scanner Unit. 3.Replace the DC Controller PCB. [Reference] Before replacing the DC Controller PCB, back up the service mode data and restore the backup data after the replacement so the data may be able to be protected. - Backup: COPIER (LEVEL2)> FUNCTION> SYSTEM> DSRAMBUP - Restoration: COPIER (LEVEL2)> FUNCTION> SYSTEM> DSRAMRES

• Code: 196-0000-05
• Description: Error in EEPROM access
• Causes: 20 retries failed after error occurred during communication with EEPROM. * Error occurs after the delivery if a paper in passage exists.
• Remedy: [Related parts] - DC Controller PCB (UN2) [Remedy] 1.Replace the DC Controller PCB. [Reference] Before replacing the DC Controller PCB, back up the service mode data and restore the backup data after the replacement so the data may be able to be protected. - Backup: COPIER (LEVEL2)> FUNCTION> SYSTEM> DSRAMBUP - Restoration: COPIER (LEVEL2)> FUNCTION> SYSTEM> DSRAMRES