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HP LaserJet MFP M232-M237 printers - Error codes and blinking lights

This document is for HP LaserJet MFP M232dw, M232dwc, M233sdn, M233sdw, M233dw, M234sdwe, M234sdw, M234sdne, M234sdn, M234dwe, M234dw, M236sdn, M236sdw, M236dw, and M236d printers.
The following sections describe the most common error conditions with combinations of blinking (flashing) lights displayed on the printer control panel, followed by solutions for each combination. Find the blinking light pattern that displays on the control panel, and then follow the steps to resolve the issue.
HP LaserJet MFP M232dw, M232dwc, M233dw, M234dwe, M234dw, M236dw, and M236d printers (without document feeder)
    Image: Example of the control panel buttons, icons,  and lights
  1. Control panel lights
  2. Control panel display
  3. Copy options
  4. Copy button/light
  5. ID Card copy button
  6. Information button/light
  7. Resume button/light
  8. Cancel button/light
  9. Power button
HP LaserJet MFP M233sdn, M233sdw, M234sdwe, M234sdw, M234sdne, M234sdn, M236sdn, and M236sdw printers (with document feeder)
    Image: Example of the control panel buttons, icons,  and lights
  1. Power button
  2. Status light
  3. Control panel indicators
  4. Control panel display
  5. Copy options
  6. Copy button/light
  7. ID Card copy button
  8. Information button/light
  9. Wireless button/light
  10. Resume button/light
  11. Cancel button/light

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