HP 5550 User Guide - Page 120

Weight Duplexing Glossy Mode 60-90 g/m² (16-24 lb) See page 100 for supported sizes. ON/OFF Supported " Glossy mode is Disabled at Grayscale (Color Mode), or Duplex Print. Postcards Try printing your data on a sheet of plain paper first to check placement. Capacity Tray 1 Up to 20 postcards, depending on their (Manual Feed thickness Tray) Tray 2/3/4 Not supported Orientation Face down Driver Postcard Media Type Weight 60-163 g/m² (16-90 lb bond) Duplexing Not supported Glossy Mode ON/OFF Supported " Glossy mode is Disabled at Grayscale (Color Mode), or Duplex Print. Use postcards that are „ Approved for laser printers DO NOT use postcards that are „ Coated „ Designed for inkjet printers „ Precut or perforated „ Preprinted or multicolored " If the postcard is warped, press on the warped area before putting it in Tray 1. 106 Media Types