• Code: 12
• Display: Communication problem occurred with network board
• Description: Communication error with Network board
• Remedy: Check the Network board connection. If there is any problem, replace the Network board. If the problem persists, replace the main board.

• Code: 13
• Display: Communication problem occurred with scanner unit
• Description: Communication error with scanner unit
• Remedy: Check the Scanner connection. If there is any problem, replace the Scanner board. If the problem persists, replace the main board.

• Code: 14
• Display: Did not supply enough [Color] toner. Remove seal tape & reinstall
• Description: Did not supply enough [black] toner.
• Remedy: Remove the seal tape of the imaging unit.

• Code: 15
• Display: Did not supply enough [Color] toner. Please open/close door
• Description: Not supplied toner to the imaging unit.
• Remedy: 1. Check the Toner supply Motor is driving 2. Check the toner supply shutter is working out properly. 3. Check the toner supply entrance is closed. 4. Check the Toner supply pipe is closed. 5. Check the T/C sensor 6. Check TC sensor ADC of the Engine B/D

• Code: 16
• Display: Exit door of scanner is open
• Description: DADA exit door is open
• Remedy: 1. Close the DADF exit door.

• Code: 17
• Display: Finisher door is open. Close it
• Description: Finisher door is open.
• Remedy: Close the finisher door.

• Code: 18
• Display: Original paper does not feed in scanner
• Description: The lead edge of the document failed to actuate the scan sensor within the correct time after actuating the registration sensor.
• Remedy: 1. Open the DADF door. And remove the jammed paper. Close the DADF door. 2. Open the platen door and remove the jammed paper. 3. Open the reverse stack door and remove the jammed paper. 4. Check the paper exit.

• Code: 19
• Display: Original paper is too long for scanner. Check size
• Description: Oversized document or double-feeding of originals.
• Remedy: 1. Check the paper exit and remove the jammed paper. 2. Open the Platen door and remove the jammed paper. 3. Open the ReverseStack door and remove the jammed paper. 4. Open the DADF door and remove the jammed paper.