Brother HL-4040CDN - Manual (Page 63)

Driver and Software
54
3
Halftone Screen Lock
Stops other applications from modifying the Halftone settings. The default setting is On.
High Quality Image Printing
You can get high quality image printing. If you set High Quality Image Printing to On, the printing
speed will be slower.
BR-Script Level
You can change the BR-script emulation language level. Choose a level from the drop-down list.
Ports tab
3
Choose the port where your printer is connected or the path to the network printer you are using.