• Code: 31.03.33
• Display: 31.03.33 Backside scanner calibration area dirty
• Description: The white area used for backside scanner calibration is dirty.
• Remedy: 1. Remove the white backing and clean it. 2. Clean the backside scanner glass. 3. If issue remains replace the document feeder assembly.

• Code: 31.03.34
• Display: 31.03.34 Background missing
• Description: The removable white backing for the backside scanner is either missing or not fully snapped into place.
• Remedy: 1. Remove the white backing and clean it. 2. Clean the backside scanner glass. 3. If issue remains replace the document feeder assembly.

• Code: 31.13.00
• Display: 31.13.00 Document feeder multi-pick error
• Description: A multiple pick error was reported by the document feeder assembly.
• Remedy: 1. Open the document feeder cover, pull all the sheets back into the tray and then resume the job. 2. Verify that the paper meets the product specifications. 3. Make sure that the input tray is not overloaded and the tray guides are properly aligned to both edges of the paper. 4. Check and clean the rollers and separation pad, and test the registration sensor. If needed, replace pickup roller assembly, separation pad. 5. Verify that the motor cables are connected. 6. Re-seat the document feeder to the scanner control board (SCB). 7. Replace the document feeder.

• Code: 31.13.01
• Display: 31.13.01
• Description: document feeder job error, pick error. Paper pick was initiated, but the page didn't did not make it to the pick success sensor.
• Remedy: 1. Open the document feeder lid, pull sheets back into input tray, and then resume the job. 2. Check the paper guides and make sure that they are set to the correct paper width. 3. Make sure that the input tray is not overloaded and the tray guides are properly aligned to both edges of the paper. 4. Check the document feeder page count for roller life. 5. Verify that the paper meets the product specifications. 6. Clean the document feeder pick and feeder rollers and clean separation pad, if worn or damage replace roller kit. 7. Open the following menus: • Administration • Troubleshooting • Diagnostic Tests • Scanner Tests 8. Actuate the pick-success sensor. If the sensor does not show functionality when tested, replace the document feeder. 9. If sensor is not available for replacement or does not resolve issue, replace the document feeder assembly.

• Code: 31.13.02
• Display: 31.13.02
• Description: Document feeder job error, feed jam. The paper passed the pick success sensor, and then jammed in the document feeder paper path.
• Remedy: 1. Clear the paper path and try feeding the page again. 2. Verify that the paper meets the product specifications. 3. Check the paper guides and make sure that they are set to the correct paper width. 4. Verify that the paper path is clear. 5. Clean the document feeder pick and feeder rollers and clean Separation pad. If worn or damage replace roller kit. 6. Open the following menus: • Administration • Troubleshooting • Diagnostic Tests • Scanner Tests 7. Actuate the pick-success sensor. If the sensor does not show functionality when tested, replace the document feeder. 8. If sensor is not available for replacement or does not resolve issue replace the document feeder assembly.

• Code: 31.13.13
• Display: 31.13.13
• Description: The document feeder jam access door is open.
• Remedy: 1. Verify that the jam access cover is closed. 2. Verify that the flag is not broken off. 3. Open the following menus: • Administration • Troubleshooting • Diagnostic Tests • Scanner Tests 4. Actuate the pick-success sensor. If the sensor does not show functionality when tested, replace the document feeder. 5. If the sensor is not available for replacement or does not resolve issue replace the document feeder assembly.

• Code: 31.13.14
• Display: 31.13.14
• Description: Document feeder job error: over current. This is a feed jam in the document feeder, and the motor is not turning.
• Remedy: 1. Verify that the paper meets the product specifications. 2. Make sure that the document feeder input tray is not overloaded. 3. Check the event log for document feeder errors, and then resolve those errors first. 4. Open and close the top cover to see if the pick motor turns without posting this error. If there is no error, then the motor is good. 5. Verify that the motor cables are connected. 6. Re-seat the document feeder to the scanner control board (SCB). 7. Replace the document feeder.

• Code: 31.13.15
• Display: 31.13.15
• Description: This is a duplex re-feed jam in the document feeder. The paper jam occurs on the backside copy. The duplex re-feed does not make it to the deskew sensor.
• Remedy: 1. Remove the jammed paper. 2. Verify that there is nothing in the paper path of the duplex re-feed area. 3. Retry the copy job. 4. Replace the document feeder assembly.