• Code: E742
• Description: ADF document jam
• Causes: Detection of out-of-spec undersized documents – The reverse paper sensor becomes inactive before the document is transferred by the distance equal to the minimum page size. (Duplex)
• Remedy: Open the ADF cover, remove every jammed document from the paper feed path, and close the ADF cover.

• Code: E743
• Description: ADF document jam
• Causes: Non-arrival at the regist paper sensor at reversing to the front – After reversing to the front, the regist paper sensor does not become active in a lapse of a certain period of time. (Duplex)
• Remedy: Open the ADF cover, remove every jammed document from the paper feed path, and close the ADF cover.

• Code: E744
• Description: ADF document jam
• Causes: Non-arrival at the regist paper sensor at reversing to the back – When the document is transferred following reversal to the back, the regist paper sensor does not become active. (Duplex)
• Remedy: Open the ADF cover, remove every jammed document from the paper feed path, and close the ADF cover.

• Code: E778
• Description: ADF document jam
• Causes: 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
• Causes: 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
• Causes: 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.
• Causes: Is the Duplex unit for that specific model installed?
• Remedy: No Install the correct duplex unit.

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