Seetting up the school printers on your computer:
(For OS 9) Click on the Apple icon in the upper bar, select Chooser, then select Printer Setup, on the next window select AppleTalk if it isn't already highlighted, then select MYA Printer #1 and MYA Printer #2

(For OS X) Click on Print Center under Utilities in the Applications folder, click Add, then select AppleTalk if is not already selected, then select MYA Printer #1 and MYA Printer #2

Setting a default printer:
(For OS 9) Click on the Apple icon in the upper bar, select Chooser, then select Printer Setup, then click on the printer you wish to make the default printerand click Make Default

(For OS X) Click on Print Center under Utilities in the Applications folder, select the printer you wish to make the default printer and click Make Default