• Code: 844.yy
• Description: Scanner Failure. Lamp failure.
• Remedy: Flatbed Controller card Ensure that connectors J15, J1, and J5 are properly connected. Inspect the ribbon cable connection on CIS for proper connection. If connector J15 is properly connected, verify the following voltages on the controller card. Check pin 9 for +3.3V, pins 11, 13, and 15 for +5V. Pins 3, 6, and 8 are ground. If connector J1 is properly connected, verify the following voltages on the controller card. Check pin 19 for +12V and pin 20 for +5V. If voltages are present, replace the flatbed FRU. If there are voltage irregularities, replace the controller card.

• Code: 847
• Description: Modem Failure
• Remedy: The Configuration ID bit that describes the device’s modem doesn’t match the actual modem installed in the device.

• Code: 847.01
• Description: Fax Storage
• Remedy: The amount of flash storage available on the device is too small. Note: The NAND Flash partition can shrink as bit failures cause blocks to be invalidated. Go to “Format Fax Storage”. If the issue is not fixed, replace the controller board. Go to “Controller board removal”.

• Code: 847.02
• Description: Fax Storage
• Remedy: The devices’ flash partition is invalid or unavailable. Go to “Format Fax Storage”. If the issue is not fixed, replace the controller board. Go to “Controller board removal”.

• Code: 848.01
• Description: Modem/Config ID Mismatch
• Remedy: A device has a modem installed, but its Configuration ID indicates that a modem shouldn’t be present.

• Code: 88
• Description: Cartridge Low
• Remedy: This warning is displayed when the cartridge is low. Press Check to continue.

• Code: 902.xx...906.xx
• Description: 902.xx Engine software error 903.xx Paperport link driver error 904.xx Interface violation by RIP 905.xx Interface violation by paperport device 906.xx RIP interface drive error
• Remedy: Unrecoverable engine software error. Rest the MFP (POR). If the problem reoccurs, replace the controller board.
  Controller card assembly Verify +24 V dc input from the LVPS/HVPS. • Turn the MFP off. • Disconnect the LVPS/HVPS cable from the controller card at J22. See “Controller card” for more information. • Turn the MFP on. Verify +24 V dc from the cable connector of J22, pins 8 and 9. Verify that pins 7, 12, and 14 on both the cable and the card connectors are ground. • If voltage is correct, check the continuity in the cable. If the cable is good, see the “Controller card” for more information. • If grounds are not correct on the cable, first check it for continuity and then check the LVPS/HVPS. See “LVPS/HVPS service check” • If the grounds are not correct on the controller card, replace the controller card. (Check with one probe on the connector pin and the other on the ground plane of the card found at each screw head.) Note: With all cables connected, the MFP should complete POST within approximately 12–15 seconds in the following sequence: 1. The function and scan quality LEDs illuminate for one second and then flash three times. 2. Loading is displayed on the operator panel. 3. The CIS illuminates, and the scanner performs a calibration. 4. The drive motor runs. 5. The scanner CIS returns to the home position. 6. Error messages are displayed if applicable. 7. The MFP cycles down into standby mode/ready. Ready is displayed on the operator panel. If immediately following power-on, the operator panel lights are active but the MFP does not go through steps 1 and 2 above, replace the controller card assembly.

• Code: 910.xx...914.01
• Description: 910.xx DC pick motor stall 911.xx DC pick motor excessive PWM 912.xx DC pick motor below speed 913.xx DC pick motor over speed 914.00 DC pick motor error 914.01 Lost encoder feedback
• Remedy: Verify the motor is properly connected to the controller card.