• Code: 4C04
• Display: Replace Toner Open the Top Cover, replace Toner Cartridge.
• Description: Dot counter of the toner cartridge (Cyan) or develop roller counter has reached the upper limit was detected.
• Causes: 1 Process drive unit damaged 2 Main PCB failure if the error code remains after replacing with a new toner cartridge and resetting the toner counter

• Code: 4C05
• Display: Replace Toner Open the Top Cover, replace Toner Cartridge.
• Description: During printing, dot counter of color toner cartridge or develop roller counter has reached the upper limit was detected.
• Causes: 1 Process drive unit damaged 2 Main PCB failure if the error code remains after replacing with a new toner cartridge and resetting the toner counter

• Code: 4F01
• Display: Cartridge Error Put the Toner Cartridge back in.
• Description: The new toner sensor of the toner cartridge (Black) could not detect a new cartridge properly.
• Causes: 1 Main PCB failure if the error code remains after replacing with a new toner cartridge and resetting the toner manual

• Code: 4F02
• Display: Cartridge Error Put the Yellow Toner Cartridge back in.
• Description: The new toner sensor of the toner cartridge (Yellow) could not detect a new cartridge properly.
• Causes: 1 Main PCB failure if the error code remains after replacing with a new toner cartridge and resetting the toner manual

• Code: 4F03
• Display: Cartridge Error Put the Magenta Toner Cartridge back in.
• Description: The new toner sensor of the toner cartridge (Magenta) could not detect a new cartridge properly.
• Causes: 1 Main PCB failure if the error code remains after replacing with a new toner cartridge and resetting the toner manual

• Code: 4F04
• Display: Cartridge Error Put the Cyan Toner Cartridge back in.
• Description: The new toner sensor of the toner cartridge (Cyan) could not detect a new cartridge properly.
• Causes: 1 Main PCB failure if the error code remains after replacing with a new toner cartridge and resetting the toner manual

• Code: 5002
• Display: Replace Parts PF kit
• Description: Printable pages set for the PF kit 1 has reached the upper limit. (Printing is not stopped.)
• Causes: 1 PF kit 1 worn out 2 Main PCB failure

• Code: 6001
• Display: Cover is Open Close the Top Cover.
• Description: The top cover sensor detected that the joint cover ASSY was open.
• Causes: 1 High-voltage power supply PCB harness connection failure 2 Top cover sensor failure 3 Main PCB failure