Note: Make sure that fax is configured. For more information, see Setting up the printer to fax.
Load an original document into the ADF tray or on the scanner glass.
From the control panel, navigate to:
Fax > Darkness
For non-touch-screen printer models, press to navigate through the settings.
Select a setting.
Send the fax.
Change the toner density setting of your printer to get the best prints.
Solve your dark printing issues by reducing toner darkness or adjusting paper settings.