• Code: CD61
• Description: Sub-hopper toner motor-Y abnormality.
• Causes: Sub-hopper toner motor-K/-C/-M/-Y EPU board LGC board
• Remedy: EPU tray (process unit) • Connection check (05-2788) • Connector check • Harness check Sub-hopper toner motor (M19 - M22) • Motor check (Perform the output check: K: 03-227, C: 03-226, M: 03- 225, Y: 03-224 • Sensor check (Perform the input check: 03-[ALL]OFF/[4]/[D/E/F/G]) • Connector check • Harness check EPU board • Connector check (CN551, CN553, CN554, CN555, CN556) • Board check LGC board • Connector check (CN308) • Board check

• Code: CD62
• Description: Sub-hopper toner motor-M abnormality.
• Causes: Sub-hopper toner motor-K/-C/-M/-Y EPU board LGC board
• Remedy: EPU tray (process unit) • Connection check (05-2788) • Connector check • Harness check Sub-hopper toner motor (M19 - M22) • Motor check (Perform the output check: K: 03-227, C: 03-226, M: 03- 225, Y: 03-224 • Sensor check (Perform the input check: 03-[ALL]OFF/[4]/[D/E/F/G]) • Connector check • Harness check EPU board • Connector check (CN551, CN553, CN554, CN555, CN556) • Board check LGC board • Connector check (CN308) • Board check

• Code: CD63
• Description: Sub-hopper toner motor-C abnormality.
• Causes: Sub-hopper toner motor-K/-C/-M/-Y EPU board LGC board
• Remedy: EPU tray (process unit) • Connection check (05-2788) • Connector check • Harness check Sub-hopper toner motor (M19 - M22) • Motor check (Perform the output check: K: 03-227, C: 03-226, M: 03- 225, Y: 03-224 • Sensor check (Perform the input check: 03-[ALL]OFF/[4]/[D/E/F/G]) • Connector check • Harness check EPU board • Connector check (CN551, CN553, CN554, CN555, CN556) • Board check LGC board • Connector check (CN308) • Board check

• Code: CD64
• Description: Sub-hopper toner motor-K abnormality.
• Causes: Sub-hopper toner motor-K/-C/-M/-Y EPU board LGC board
• Remedy: EPU tray (process unit) • Connection check (05-2788) • Connector check • Harness check Sub-hopper toner motor (M19 - M22) • Motor check (Perform the output check: K: 03-227, C: 03-226, M: 03- 225, Y: 03-224 • Sensor check (Perform the input check: 03-[ALL]OFF/[4]/[D/E/F/G]) • Connector check • Harness check EPU board • Connector check (CN551, CN553, CN554, CN555, CN556) • Board check LGC board • Connector check (CN308) • Board check

• Code: CD71
• Description: Waste toner transport motor locking error: The auger in the waste toner transport path does not rotate.
• Causes: Waste toner transport motor Auger lock detection sensor EPU board LGC board
• Remedy: EPU tray (process unit) • Pull out the process unit, rotate the gear counterclockwise and check if the load is extremely heavy. • Is the load still extremely heavy after the gear is rotated for a while to discharge the toner from the waste toner transport path? • Is the load still extremely heavy after the actuator is removed, the auger is pulled out and clean them? Waste toner transport motor (M31) • Motor check (Perform the output check: 03-234) • Connector check • Harness check Auger lock detection sensor (S42) • Sensor check (Perform the input check: K: 03-[FAX]ON/[0]/[B]) • Connector check • Harness check EPU board • Connector check (CN551, CN557) • Board check LGC board • Connector check (CN308, CN331) • Board check

• Code: CD80
• Description: TRU waste toner motor locking error: The auger (TRU side) in the TRU waste toner transport path does not rotate.
• Causes: TRU waste toner motor ADU board PFC board
• Remedy: TRU waste toner motor (M10) • Motor check (Perform the output check: 03-239) • Connector check • Harness check • Drive section check ADU board • Connector check (CN491, CN497) • Board check PFU board • Connector check (CN511) • Board check

• Code: CD81
• Description: TRU waste toner transport motor locking error: The auger (waste toner box side) in the TRU waste toner transport path does not rotate.
• Causes: TRU waste toner transport motor ADU board PFC board
• Remedy: TRU waste toner transport motor (M11) • Motor check (Perform the output check: 03-240) • Connector check • Harness check • Drive section check ADU board • Connector check (CN491, CN497) • Board check PFC board • Connector check (CN511) • Board check

• Code: CD82
• Description: TRU waste toner full-status error
• Causes: TRU waste toner amount detection sensor ADU board PFC board
• Remedy: TRU waste toner box • Check if the TRU waste toner box is full of used toner. Replace it, if it is full. TRU waste toner amount detection sensor (S13) • Sensor check (Perform the input check: K: 03-[ALL]OFF/[5]/[E]) • Connector check • Harness check ADU board • Connector check (CN491, CN497) • Board check PFC board • Connector check (CN511) • Board check