• Code: C2258
• Description: Cleaning brush motor's turning at abnormal timing The motor lock signal remains LOW for a predetermined continuous period of time while the motor remains stationary.
• Causes: • Transfer belt unit (cleaner unit) • Cleaning brush motor (M38) • Printer control board (PRCB)
• Remedy: 1 Check the connector between M38-PRCB CN39 for proper connection and correct as necessary. 2 Check the M38 connector for proper drive coupling and correct as necessary. 3 Check the cleaner unit gear of the transfer belt unit for rotation and correct any faulty rotation. 4 M38 operation check PRCB CN39-1 to 7 20-K 5 Replace M38 6 Replace the transfer belt unit. 7 PRCB ICP8 conduction check 8 Replace PRCB

• Code: C2259
• Description: Developing motor/K’s failure to turn The motor lock signal remains HIGH for a predetermined continuous period of time while the motor is turning.
• Causes: • Developing unit • Developing motor/K (M19) • Printer control board (PRCB)
• Remedy: 1 Check the connector between M19-PRCB CN21 for proper connection and correct as necessary. 2 Check the M19 connector for proper drive coupling and correct as necessary. 3 M19 operation check PRCB CN21-15 to 19 16-K 4 Replace M19 5 Replace the developing unit. 6 PRCB ICP6 conduction check 7 Replace PRCB

• Code: C225A
• Description: Developing motor/K’s turning at abnormal timing The motor lock signal remains LOW for a predetermined continuous period of time while the motor remains stationary.
• Causes: • Developing unit • Developing motor/K (M19) • Printer control board (PRCB)
• Remedy: 1 Check the connector between M19-PRCB CN21 for proper connection and correct as necessary. 2 Check the M19 connector for proper drive coupling and correct as necessary. 3 M19 operation check PRCB CN21-15 to 19 16-K 4 Replace M19 5 Replace the developing unit. 6 PRCB ICP6 conduction check 7 Replace PRCB

• Code: C225B
• Description: PC motor/K’s failure to turn The motor lock signal remains HIGH for a predetermined continuous period of time while the motor is turning.
• Causes: • PC motor/K (M18) • Printer control board (PRCB)
• Remedy: 1 Check the connector between M18-PRCB CN21 for proper connection and correct as necessary. 2 Check the M18 connector for proper drive coupling and correct as necessary. 3 M18 operation check PRCB CN21-13 (LOCK) PRCB CN21-10 (REM) 16-K 4 Replace M18 5 PRCB ICP6 or ICP18 conduction check 6 Replace PRCB

• Code: C225C
• Description: PC motor/K’s turning at abnormal timing The motor lock signal remains LOW for a predetermined continuous period of time while the motor remains stationary.
• Causes: • PC motor/K (M18) • Printer control board (PRCB)
• Remedy: 1 Check the connector between M18-PRCB CN21 for proper connection and correct as necessary. 2 Check the M18 connector for proper drive coupling and correct as necessary. 3 M18 operation check PRCB CN21-13 (LOCK) PRCB CN21-10 (REM) 16-K 4 Replace M18 5 PRCB ICP6 or ICP18 conduction check 6 Replace PRCB

• Code: C2350
• Description: Toner suction fan's failure to turn The fan lock signal remains HIGH for a predetermined continuous period of time while the fan is turning.
• Causes: • Toner suction fan (FM7) • Printer control board (PRCB)
• Remedy: 1 Check the connectors between FM7-relay CN326- PRCB CN2 for proper connection, and correct as necessary. 2 Check the fan for possible overload and correct as necessary. 3 FM7 operation check PRCB CN2-4 (DRIVE) PRCB CN2-6 (LOCK) 2-K 4 Replace FM7 5 Replace PRCB

• Code: C2353
• Description: IU cooling fan’s failure to turn The fan lock signal remains HIGH for a predetermined continuous period of time while the fan is turning.
• Causes: • IU cooling fan (FM15) • PH relay board (PHRYB) • Printer control board (PRCB)
• Remedy: 1 Check the connectors between FM15-relay CN707- PHRYB CN13 for proper connection, and correct as necessary. 2 Check the fan for possible overload and correct as necessary. 3 FM15 operation check PHRYB CN5-1 (DRIVE) PHRYB CN5-3 (LOCK) 7-B 4 Replace FM15 5 PHRYB ICP1 conduction check 6 Replace PHRYB 7 Replace PRCB

• Code: C2414
• Description: Developing unit new release failure The status with the new unit is not cleared after the new developing unit is set.
• Causes: • Developing unit • Printer control board (PRCB)
• Remedy: 1 Reinstall developing unit 2 Replace the developing unit 3 Replace PRCB