Use System Print Dialog

Supported on: Firefox 102 or later

Registry

HKLM Software\Policies\Mozilla\Firefox

HKCU Software\Policies\Mozilla\Firefox

Value name: UseSystemPrintDialog

Enabled: UseSystemPrintDialog = 1

Disabled: UseSystemPrintDialog = 0

Description

If this policy is enabled, Firefox will use the system print dialog instead of showing print preview before printing. If this policy is disabled or not configured, Firefox will show print preview before printing.