HP 9100 series - Manual (Page 21)

ENWW Installing the auto-duplex unit 19
2 Installing accessories
This section contains information about the following topics.
z Installing the auto-duplex unit
z Installing the HP Jetdirect print server
z Installing memory modules
z Installing tray 2
z Installing the keyboard
z Turning on accessories in the printer driver
See Ordering HP accessories and supplies for information about ordering accessories.
Installing the auto-duplex unit
The all-in-one can automatically print on both sides of the paper with the auto-duplex unit. See
Printing on both sides of the page and Performing duplexing for information about using the
auto-duplex unit after it has been installed.
To install an auto-duplex unit
1 Press (P OWER ) to turn off the all-in-one.
2 Slide the auto-duplex unit into the all-in-one until the unit locks into place.