• Code: 3C00 ... 3C10
• Description: Trouble related to security
  
• Causes:
• Remedy: - Contact the responsible people of EPSON when not returning in power switch OFF/ON.

• Code: 3FFF
• Description: Flash ROM write error
  - The copier determines that there is an error if writing to the flash ROM fails during upgrading of the firmware.
  - When the power switch is turned ON, the error indicator lights up steadily and a corresponding message appears on the display.
  - If this error message appears, no operations can then be performed. It is not possible to upgrade the firmware from a PC connected through USB connection, either.
• Causes: Print control board (PRCB) MFP board/1 (MFPB/1)
• Remedy: 1 Check the cable and connector for proper connection and correct as necessary. 2 Identify the specific firmware that is responsible for the error. 3 Rewrite the firmware. 4 Unplug parameter chip from PRCB and then plug it back in. 5 Change PRCB. 6 Change MFPB/1.

• Code: 4FFF
• Description: Controller connect error
  - MFP board/1 (MFPB/1) to MFP board/2 (MFPB/2) connection failure.
• Causes: MFP board/1 (MFPB/1) MFP board/2 (MFPB/2)
• Remedy: 1 Turn OFF and ON the power switch. 2 Check the MFPB/1 connector for proper connection and correct as necessary. 3 Check the MFPB/2 connector for proper connection and correct as necessary. 4 Check for proper connection between MFPB/1 and MFPB/2 and correct as necessary. 5 Change MFPB/2. 6 Change MFPB/1.

• Code: C002
• Description: RAM error at startup (standard memory)
  - RAM error at standard memory is detected during printer start-up.
• Causes: MFP board/2 (MFPB/2) Standard memory Expanded memory
• Remedy: 1 Reboot the main body. 2 Check connection state of the standard/ expanded memory and correct as necessary. 3 Check the MFPB/2 connector for proper connection and correct as necessary. 4 Change the standard/expanded memory. 5 Change MFPB/2.

• Code: C003
• Description: RAM error at startup (expanded memory)
  - RAM error at expanded memory is detected during printer start-up.
• Causes: MFP board/2 (MFPB/2) Standard memory Expanded memory
• Remedy: 1 Reboot the main body. 2 Check connection state of the standard/ expanded memory and correct as necessary. 3 Check the MFPB/2 connector for proper connection and correct as necessary. 4 Change the standard/expanded memory. 5 Change MFPB/2.

• Code: C013
• Description: MAC address error at startup
  - Invalid MAC address is detected during printer startup.
• Causes: MFP board/2 (MFPB/2)
• Remedy: 1 Reboot the main body. 2 Check the MFPB/2 connector for proper connection and correct as necessary. 3 Change MFPB/2.

• Code: C015
• Description: Boot ROM error at startup
  - Boot ROM error is detected during printer start-up
• Causes: MFP board/2 (MFPB/2)
• Remedy: 1 Reboot the main body. 2 Check the MFPB/2 connector for proper connection and correct as necessary. 3 Change MFPB/2.

• Code: C022
• Description: NVRAM error at startup
  - NVRAM error is detected during printer start-up.
• Causes: MFP board/2 (MFPB/2)
• Remedy: 1 Reboot the main body. 2 Check the MFPB/2 connector for proper connection and correct as necessary. 3 Change MFPB/2.