• Code: 370
• Display: Check DUPLEX 370: Paper jam
• Description: Paper jam detected after paper rotated in duplex unit.
• Causes: Check paper jam in duplex unit.

• Code: 371
• Display: Check DUPLEX 371: Paper jam
• Description: Paper jam during paper feed from duplex unit.
• Causes: Check paper jam in duplex unit.

• Code: 372
• Display: Check DUPLEX 372: Paper jam
• Description:
• Causes: Check miss-feed in duplex unit.

• Code: 380
• Display: Open front cover 380: Paper jam
• Description: Paper jam during paper feed from cassette 1, 2, 3, 4 or 5
• Causes: Check miss-feed in duplex unit.

• Code: 381
• Display: Open top cover 381: Paper jam
• Description: Paper jam detected between black ID and fuser
• Causes: 1) Check paper jam between yellow ID and fuser. 2) Check fuser unit load.

• Code: 382
• Display: Open top cover 382: Paper jam
• Description: Paper jam detected in fuser or during paper ejection from fuser.
• Causes: 1) Check paper jam in fuser and between yellow ID and fuser. 2) Check if paper ejection switch is proper.

• Code: 383
• Display: Open top cover 383: Paper jam
• Description: Paper jam detected when paper started to enter duplex print unit.
• Causes: Check paper jam in duplex unit or at entrance.

• Code: 389
• Display: Open top cover 389: Paper jam
• Description: Jam generated in paper path.
• Causes: Open front cover and check jammed paper.