• Code: 10.1003
• Display: 10.100x Supply error alternates with Reinstall
• Description: A print cartridge is missing.
  Yellow print cartridge
• Remedy: Install the correct print cartridge.

• Code: 50.1
• Display: 50.1 Fuser Error
• Description: The device has experienced an internal hardware error.
  low temperature
• Remedy: Turn off the device, wait at least 25 minutes, and then turn on the device. If a surge protector is being used, remove it. Plug the device directly into the wall socket. Use the power switch to turn on the device. If this does not clear the error, replace the fuser.

• Code: 50.2
• Display: 50.2 Fuser Error
• Description: The device has experienced an internal hardware error.
  high temperature
• Remedy: Turn off the device, wait at least 25 minutes, and then turn on the device. If a surge protector is being used, remove it. Plug the device directly into the wall socket. Use the power switch to turn on the device. If this does not clear the error, replace the fuser.

• Code: 50.3
• Display: 50.3 Fuser Error
• Description: The device has experienced an internal hardware error.
  slow fuser
• Remedy: Turn off the device, wait at least 25 minutes, and then turn on the device. If a surge protector is being used, remove it. Plug the device directly into the wall socket. Use the power switch to turn on the device. If this does not clear the error, replace the fuser.

• Code: 51.20
• Display: 51.20 Error
• Description: The device has experienced an internal hardware error.
  black scanner error
• Remedy: Turn off the power by using the power switch, wait at least 30 seconds, and then turn on the power and wait for the device to initialize. If a surge protector is being used, remove it. Plug the device directly into the wall socket. Use the power switch to turn the device on. Laser scanners are not replaceable. Replace the engine.

• Code: 51.21
• Display: 51.21 Error
• Description: The device has experienced an internal hardware error.
  cyan scanner error
• Remedy: Turn off the power by using the power switch, wait at least 30 seconds, and then turn on the power and wait for the device to initialize. If a surge protector is being used, remove it. Plug the device directly into the wall socket. Use the power switch to turn the device on. Laser scanners are not replaceable. Replace the engine.

• Code: 51.22
• Display: 51.22 Error
• Description: The device has experienced an internal hardware error.
  magenta scanner error
• Remedy: Turn off the power by using the power switch, wait at least 30 seconds, and then turn on the power and wait for the device to initialize. If a surge protector is being used, remove it. Plug the device directly into the wall socket. Use the power switch to turn the device on. Laser scanners are not replaceable. Replace the engine.

• Code: 51.23
• Display: 51.23 Error
• Description: The device has experienced an internal hardware error.
  yellow scanner error
• Remedy: Turn off the power by using the power switch, wait at least 30 seconds, and then turn on the power and wait for the device to initialize. If a surge protector is being used, remove it. Plug the device directly into the wall socket. Use the power switch to turn the device on. Laser scanners are not replaceable. Replace the engine.