• Code: E778
• Description: ADF document jam Remaining document detection at power on – A sensor other than the document set sensor becomes active when the power is turned on or the cover is opened and closed during operation.
• Remedy: Open the ADF cover, remove every jammed document from the paper feed path, and close the ADF cover.

• Code: E779
• Description: ADF document jam Activation of only the document set sensor – Only the document set sensor becomes active at initialization of the ADF stopper gate.
• Remedy: Open the ADF cover, remove every jammed document from the paper feed path, and close the ADF cover.

• Code: E870
• Description: ADF document jam ADF open jam – A document jam is caused by opening of the ADF while the RADF is operating.
• Remedy: Remove every jammed document from the paper feed path, and close the ADF cover.

• Code: F031
• Description: Duplex unit for other model is detected.
• Remedy: Is the Duplex unit for that specific model installed? No Install the correct duplex unit.

• Code: F032
• Description: 3rd tray for other model is detected.
• Remedy: Is the 3rd tray for that specific model installed? No Install the correct 3rd tray.

• Code: F033
• Description: 2nd tray for other model is detected.
• Remedy: Is the 2nd tray for that specific model installed? No Install the correct 2nd tray.

• Code: F034
• Description: Tray4 version error
• Remedy: Change the Tray4 board

• Code: F03A ... F03D
• Description: Detection of an unsupported toner cartridge.
  An unsupported toner cartridge has been detected. F03A:Black toner cartridge position F03B:Yellow toner cartridge position F03C:Magenta toner cartridge position F03D:Cyan toner cartridge position
• Remedy: Replace it with an appropriate toner cartridge.