• Code: 231.01...231.08
• Description: 231.01 D1 sensor is made when printer tries to print from an idle state. Possible causes: • Damaged D1 sensor • Faulty system board 231.02 D1sensor is made early Possible causes: • Incorrect paper settings • Defective D1 sensor 231.03 D1 sensor is never made. Possible causes: • Improper loading of paper • Damaged paper D1 sensor • Faulty system board 231.04 D1 sensor broke early. Possible causes: • Damaged D1 sensor Faulty fuser • Faulty system board 231.05, 231.07 D1 sensor never broke. Possible causes: • Damaged D1 sensor • Faulty fuser • Faulty system board 231.08 D1 sensor is never made.
• Remedy: 1 Open the left access door, and open the duplex assembly. Is the D1 or D2 flag damaged? Replace the damaged sensor. See “Sensor (D1, D2, and fuser bubble) removal”. Go to step 2. 2 Open the system board shield. Check the cable in connector JDP1 for proper connection to the system card. Is the cable properly connected? Go step 3. Reseat the cable. 3 Check the cable for damage. Is the cable damaged? Replace the duplexer cable. To access the cable, see “LVPS exit duct removal” and “Left cover removal”. Go step 4. 4 Remove the duplex cable cover. Check the cable for proper connection. Is the cable connected correctly? Go to step 5. Reseat the cable. 5 Check the cable for damage. Is the cable properly connected? Replace the duplexer cable. To access the cable, see “LVPS exit duct removal” and “Left cover removal”. Go to step 6. 6 Replace the duplex assembly. See “Duplex assembly removal”. Does the problem persist? Replace the system board. See “System board removal”. Problem solved.

• Code: 232.01...232.08
• Description: 232.01 D2 sensor is made when printer tries to print from an idle state. Possible causes: • Damaged D2 sensor • Faulty system board 232.02 D2 sensor is made early Possible causes: • Incorrect paper settings • Defective D2 sensor 232.03 D2 sensor is never made. Possible causes: • Improper loading of paper • Damaged paper D2 sensor • Faulty system board 232.04 D2 sensor broke early. Possible causes: • Damaged D2 sensor • Faulty fuser • Faulty system board 232.05, 232.07 D2 sensor never broke. Possible causes: • Damaged D2 sensor Faulty fuser • Faulty system board 232.08 D2 sensor is never made.
• Remedy: 1 Open the left access door, and open the duplex assembly. Is the D1 or D2 flag damaged? Replace the damaged sensor. See “Sensor (D1, D2, and fuser bubble) removal”. Go to step 2. 2 Open the system board shield. Check the cable in connector JDP1 for proper connection to the system card. Is the cable properly connected? Go step 3. Reseat the cable. 3 Check the cable for damage. Is the cable damaged? Replace the duplexer cable. To access the cable, see “LVPS exit duct removal” and “Left cover removal”. Go step 4. 4 Remove the duplex cable cover. Check the cable for proper connection. Is the cable connected correctly? Go to step 5. Reseat the cable. 5 Check the cable for damage. Is the cable properly connected? Replace the duplexer cable. To access the cable, see “LVPS exit duct removal” and “Left cover removal”. Go to step 6. 6 Replace the duplex assembly. See “Duplex assembly removal”. Does the problem persist? Replace the system board. See “System board removal”. Problem solved.

• Code: 241.01
• Description: S1 sensor is made when printer powers up or covers are closed. Possible causes: • Paper jam leaving page over sensor • Defective S1 sensor • Faulty system card
• Remedy: 1 Open the left access door. Check the sensor flag for damage. A—Input sensor B—S1 sensor C—Narrow media sensor D—Near narrow media sensor Is the sensor flag damaged? Replace the input sensor. See “Sensor (input, S1, narrow media, near narrow media) removal”. Go to step 2. 2 Turn the printer off, and open the system board shield. Check the cable in connector JPP2 for proper connection to the system board. Is the cable properly connected? Go to step 3. Reseat the cable. 3 Check the cable in connector JPP2 for damage. Is the cable damaged? Replace the paper path cable. See “Paper path cables”. Go to step 4. 4 Remove the staging deflector assembly, and check the sensor cable connection. See “Staging deflector assembly removal”. A—Input sensor B—S1 sensor C—Narrow media sensor D—Near narrow media sensor Is the cable properly connected? Go to step 5. Reseat the cable. 5 Replace the sensor. “Sensor (input, S1, narrow media, near narrow media) removal” Does the error reoccur? Replace the system board. See “System board removal”. Problem solved.

• Code: 241.02
• Description: Paper hit S1 sensor too soon. Possible causes: • Damaged S1 sensor flag or S1 sensor • Loose input sensor
• Remedy: 1 Open the left access door. Check the S1 sensor flag (B) for damage. Is the S1 flag damaged? Replace the S1 sensor. See “Sensor (input, S1, narrow media, near narrow media) removal”. Go to step 2. 2 Remove the staging deflector assembly. See “Staging deflector assembly removal”. Is the S1 sensor (B) in the staging deflector assembly loose? Reseat the sensor and add a sensor retainer. See “Sensor (input, S1, narrow media, near narrow media) removal”. Contact your next level of support.

• Code: 241.04, 241.05, 241.07
• Description: 241.04 S1sensor flag broke early. Possible cause: • Incorrect paper settings • Defective S1 sensor • Faulty system board 241.05, 241.07 While feeding from tray 1, the S1 input sensor is never made. Possible causes: • Incorrect paper loading • Incorrect paper guide setting • Pick rolls (tires) failure • Paper pick mechanism failure • System board failure
• Remedy: 1 Open the left access door. Check the sensor flag for damage. A—Input sensor B—S1 sensor C—Narrow media sensor D—Near narrow media sensor Is the sensor flag damaged? Replace the input sensor. See “Sensor (input, S1, narrow media, near narrow media) removal”. Go to step 2. 2 Turn the printer off, and open the system board shield. Check the cable in connector JPP2 for proper connection to the system board. Is the cable properly connected? Go to step 3. Reseat the cable. 3 Check the cable in connector JPP2 for damage. Is the cable damaged? Replace the paper path cable. See “Paper path cables”. Go to step 4. 4 Remove the staging deflector assembly, and check the sensor cable connection. See “Staging deflector assembly removal”. A—Input sensor B—S1 sensor C—Narrow media sensor D—Near narrow media sensor Is the cable properly connected? Go to step 5. Reseat the cable. 5 Replace the sensor. “Sensor (input, S1, narrow media, near narrow media) removal” Does the error reoccur? Replace the system board. See “System board removal”. Problem solved.

• Code: 241.08
• Description: While feeding from tray 1, the S1 sensor does not break. Possible causes: • Incorrect media setting • Incorrect paper loading • Incorrect media restraint setting • Paper pick mechanism failure • Transport belt motor failure
• Remedy: 1. Clear away anything in the paper path that might cause the paper to jam. 2. Be sure the paper settings match the media. 3. Flex the media, and stack it flat in the tray. 4. Properly set media restraints in the paper tray. 5. Check the pick arm rolls (tires) and replace if worn.

• Code: 241.21, 241.22
• Description: Tray 1 motor stalled. Possible causes: • Incorrect paper loading • Paper pick mechanism failure • System board failure
• Remedy: 1 Turn the printer off, and open the system board shield. Check the cable in connector JTRAY1 (A) for proper connection to the system board. Is the cable properly connected? Go to step 2. Reseat the cable. 2 Check the cable for damage. Is the cable damaged? Replace the Tray 1 machine side cable. See “Autocomp W2W cable”. Go to step 3. 3 Remove the standard media tray. Check the cable (A) from the paper pick mechanism assembly to the printer. Is the cable properly connected? Go to step 4. Reseat the cable. 4 Remove the paper pick mechanism assembly. See “Paper pick mechanism assembly removal”. Does the error reoccur? Replace the system board. See “System board removal”. Problem solved.

• Code: 24x.01
• Description: 242.01 Tray 2 sensor is reached during POR or after clearing the paper jam, tray 2 sensor is still triggered. Possible causes: • Obstruction on the sensor flag • Obstruction on the paper path • Paper got stuck between the sensor • Pick roll failure • Paper pick failure • System board failure 243.01 Tray 3 sensor is reached during POR or after clearing the paper jam, tray 3 sensor is still triggered. Possible causes: • Obstruction on the sensor flag • Obstruction on the paper path • Paper got stuck between the sensor • Pick roll failure • Paper pick failure • System board failure 244.01 Tray 4 sensor is reached during POR or after clearing the paper jam, tray 4 sensor is still triggered. Possible causes: • Obstruction on the sensor flag • Obstruction on the paper path • Paper got stuck between the sensor • Pick roll failure • Paper pick failure • System board failure 245.01 Tray 5 sensor is reached during POR or after clearing the paper jam, tray 5 sensor is still triggered. Possible causes: • Obstruction on the sensor flag • Obstruction on the paper path • Paper got stuck between the sensor • Pick roll failure • Paper pick failure • System board failure
• Remedy: 1 Check for any obstruction on the paper path. Is the paper path free of obstruction? Go to step 2. Clear paper path for obstructions. 2 Check if the jam clearance cover can close properly. Did the jam clearance cover close properly? Go to step 3. For 550-sheet input option: Replace the 550-sheet drawer assembly. See “550-sheet drawer assembly removal”. For 2000-sheet input option: Replace the 2000- sheet drawer assembly. 3 Check if the pass thru sensor is seated correctly and the sensor flag can move back to its original position when it is triggered. Is the pass thru sensor free of obstruction? Go to step 4. Install the pass thru sensor correctly. 4 1. Bring the printer up in Diagnostics menu (turn off the printer, press and hold 3 and 6, turn on the printer, and hold the buttons until the splash screen appears). 2. Navigate to INPUT TRAY TESTS > SENSOR TESTS. 3. Try to trigger the pass thru sensor flag. Does the status on the panel change? Go to step 5. For 550-sheet input option: Replace the pass thru sensor. See “550-sheet tray pass thru sensor removal”. For 2000-sheet input option: Replace the pass thru sensor. See “2000- sheet high-capacity feeder pass thru sensor removal”. 5 For 550-sheet input option: Replace the controller card assembly. See “550-sheet tray controller card assembly removal”. For 2000-sheet input option: Replace the controller card assembly. See “2000-sheet high-capacity feeder controller card assembly removal”. Does the problem persist? For 550-sheet input option: Replace the 550-sheet drawer assembly. See “550-sheet drawer assembly removal”. For 2000-sheet input option: Replace the 2000- sheet drawer assembly. Problem solved.