- Hewlett-Packard LaserJet Printer User's Guide

EN
Chapter 1: Printer Basics 5
Accessories and Supplies
You can increase the capabilities of the printer with optional
accessories and supplies.
Note
Use accessories and supplies specifically designed for the printer
to ensure optimum performance.
The printer supports two enhanced input/output (EIO) cards. Other
accessories and options are available. For ordering information, see
the following page.
Suggested Accessories
Use the following accessories to optimize the printer.
Figure 2 Optional Accessories
HP JetDirect
print server (EIO card)
Hard disk
(EIO card)
Memory or Flash
DIMM
Optional 500-sheet tray
Envelope Feeder Envelope Feeder
Duplex Printing
Accessory
(or duplexer, for 2-sided
printing)
HP LaserJet
4000/4000 N
printers
HP LaserJet
4000 T/4000 TN
printers
Duplex Printing
Accessory
(or duplexer, for 2-sided
printing)