In either the application or the printer driver, select Labels as the media type, or configure Tray 1 for labels. See Configuring trays.
When printing labels, use the following guidelines:
Verify that the labels’ adhesive material can tolerate temperatures of 190° C (374° F) for 0.1 second.
Verify that there is no exposed adhesive material between the labels. Exposed areas can cause labels to peel off during printing, which can cause paper jams. Exposed adhesive can also cause damage to printer components.
Do not re-feed a sheet of labels.
Verify that labels lie flat.
Do not use labels that are wrinkled, bubbled, or otherwise damaged.
HP 3550 3700 Labels