• Code: 203.09
• Description: During duplex printing retract, the exitsensor is never made. Possible causes:
  • Damaged paper exit sensor orpaper exit sensor flag
  • Transport belt module failure
  • Damaged fuser autoconnect
  • Faulty fuser DC cable connection
  • Faulty fuser
  • Faulty system board
• Remedy: • Check for anything in the paper path that might cause the paper to jam. • The fuser exit sensor may not be functioning properly.

• Code: 203.14
• Description: During duplex printing retract, the exitsensor broke early. Possible causes:
  • Incorrect paper settings
  • Damaged paper exit sensor orpaper exit sensor flag
  • Faulty fuser
  • Faulty system board
• Remedy: • Ensure proper media is set for the type of paper used. • The fuser exit sensor may not be functioning properly.

• Code: 203.15
• Description: During duplex printing, the exit sensor never broke. Possible causes:
  • Damaged paper exit sensor or paper exit sensor flag
  • Obstructed duplex
  • Faulty fuser
  • Faulty system board
  • Duplex motor failure
• Remedy: • Check the duplex paper path for damage that would obstruct the print. If damage is found, replace the front door assembly. See “Front door assembly removal”. • The fuser exit sensor may not be functioning properly. Go to “Exit sensor service check”. • The duplex motor may not be functioning properly.

• Code: 203.20
• Description: During duplex, the page made the input sensor before the previous page cleared the bubble sensor. Possible causes:
  • Defective input sensor.
  • Faulty system board.
• Remedy: • Check for anything in the duplex paper path that might cause the paper to jam. This includes the paper guides in tray 1. • If clearing the paper jam does not fix the problem and the paper is fan-folded, replace the front access assembly. See “Front door assembly removal”. • If clearing a paper jam does not fix the problem, go to “Input sensor service check”.

• Code: 230.03
• Description: During duplex printing, the inputsensor is never broke. Possible causes:
  • Obstructed duplex path
  • Duplex drive failure
  • Defective input sensor
  • Faulty system board
• Remedy: • Check for anything in the duplex paper path that might cause the paper to jam. This includes the paper guides in tray 1. • Go to “230.03, 230.05—Paper Jam error service check”.

• Code: 230.05
• Description: During duplex printing, the inputsensor is not made. Possible causes:
  • Obstructed duplex path
  • Defective input sensor
  • Faulty system board
  • Faulty duplex drive
• Remedy: • Check for anything in the duplex paper path that might cause the paper to jam. This includes the paper guides in tray 1. • Go to “230.03, 230.05—Paper Jam error service check”.

• Code: 230.21
• Description: Duplex motor stalled. Possible causes:
  • Obstructed duplex path
  • Defective duplex motor
  • Faulty system board
• Remedy: • Check for anything in the duplex paper path that might cause the paper to jam. This includes the paper guides in tray 1. • If clearing a paper jam does not fix the problem, go to “146.xx, 148.xx—Motor (MPF/duplex) error service check”.

• Code: 241.03
• Description: While feeding from tray 1, the input 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. Ensure proper media is set for the type of paper used. 3. Fan media, and stack it flat in the tray or multipurpose feeder. 4. Properly set media restraints in paper tray. 5. Check the pick arm rolls (tires) and replace if worn. If the problem persists, go to “200.11, 250.03— Paper Jam error service check”.