• Code: 0F51
• Description: Waste toner full sensor malfunction
• Causes: • It is determined that the LED and photo receiver are faulty through a check made when a new imaging cartridge is detected.

• Code: 1038
• Description: Engine connect error
• Causes: • Printer control board (PRCB) to MFP board (MFPB) connection failure. • The copier determines that there is an error if the print control board (PRCB) fails to send an acknowledgement signal to the MFP board (MFPB) for a given period of time or more. • An error command signal is transmitted from the MFP board (MFPB) to printer control board (PRCB). • An error status signal is transmitted from the printer control board (PRCB) to MFP board (MFPB).

• Code: 13C0
• Description: Print control board malfunction
• Causes: • A communication error occurs in print control board (PRCB).

• Code: 13DD
• Description: Backup data error
• Causes: • The printer determines that EEPROM is yet to be mounted when the main power switch is turned ON

• Code: 13E2
• Description: Engine flash ROM write error
• Causes: • Flash ROM writing is found faulty during a check.

• Code: 13F0
• Description: Engine control failure
• Causes: • An undefined malfunction occurs in the engine section (PRCB, etc.).

• Code: 14A3
• Description: IR lamp malfunction
• Causes: • The intensity of the light emitted from the exposure lamp of the scanner falls short of the specified value.

• Code: 3C00, 3C10, 3C40
• Description: Trouble related to security
• Causes: • Contact the responsible people of KONICA MINOLTA when not returning in power switch OFF/ON.