HP 4550 manual To use the optional duplex printing accessory

To use the optional duplex printing accessory:

Be sure that the optional duplex printing accessory is installed

￿correctly. If the 500-sheet paper feeder (Tray 3) is installed, the duplex unit must be positioned between the printer and Tray 3.

Verify that the printer driver is configured to recognize the duplex

￿printing accessory. (For instructions, see the online Help for the printer driver.)

Close the door to the rear output bin. The rear output bin is

￿located at the back of the printer.

Select the appropriate duplex options in the printer driver

￿software. Duplex options include the page and binding orientation.

Duplex printing is not supported for certain media types, including

￿transparencies, labels, and cardstock.

90 Common printing tasks EN