Laser Supplies Genuine Printronix laser supplies are specifically designed to enhance the output quality and complement the features of all Printronix LaserLine printer systems. Printronix Laser supplies are used with a wide variety of media including: -Labels for mailing and publishing. -Drum labels for chemicals. -Plastic membership cards. -Apparel shipping labels and hang tags. -Grocery store shelf labels. -Compliance labels for major appliances. -Customer statements and bills. -Automobile window stickers. -Medical laboratory bar codes. -Tyvek law labels.