Letterhead/ Preprinted paper must be printed with heat-resistant ink that will not melt, vaporize, or releasehazardous emissions when subjected to the machine’s fusing temperature about 170°C (338 °F) for 0.1 second.Letterhead/ Preprinted paper ink must be non-flammable and should not adversely affect machine rollers.Forms and letterhead should be sealed in a moisture-proof wrapping to prevent changes during storage.Before you load letterhead/preprinted paper, verify that the ink on the paper is dry. During the fusing process, wetink can come off preprinted paper, reducing print quality.PhotoMake sure not to use the inkjet photo paper with this machine. It could cause damage to the machine.GlossyLoad one paper to the manual tray at a time, glossy side facing up.Recommended media: Glossy paper (Letter) for this machine by HP Brochure Paper (Product: Q6611A) only.Recommended media: Glossy paper (A4) for this machine by HP Superior Paper 160 glossy (Product: Q6616A).Using the output supportThe surface of the output tray may become hot if you print a large number of pages at once. Make sure that you donot touch the surface, and do not allow children near it.The printed pages stack on the output support, and the output support will help the printed pages to align. The printersends output to the output tray by default. To use the output tray, make sure that the rear cover is closed.If you are using A5 paper, fold the output tray. Otherwise, printed pages might be mis-aligned or jammed.