![background image](https://i.printerdoc.net/HP LaserJet Pro MFP M521 series/en/HP LaserJet Pro MFP M521 series_en173.png)
Step 3: Check the control panel for error messages
The control panel should indicate ready status. If an error message displays, resolve the error.
Step 3: Check the control panel for error messages
The control panel should indicate ready status. If an error message displays, resolve the error.