Brother HL-1250 - Manual (Page 9)

Step 5 Install the printer driver from floppy disk
1. Turn on your PC power. If the "Add
New Hardware Wizard" window
appears, click the
Cancel button.
2. Insert the floppy disk into the floppy disk drive. (For Windows ® 3.1x users, please
follow the instructions on the disk label.)
3. Click Start and select Run.
4. Type A:\SETUP and click the OK
button. Follow the instructions on
the screen. The printer driver will
be installed and the setup will be
completed.