User's Manual

Part numbers
The following list of accessories was current at the time of printing. Ordering information and availability
of the accessories might change during the life of the device.
Paper-handling accessories
Item Description Part number
Optional 500-sheet tray and feeder unit
(tray 3)
Optional tray to increase paper capacity.
Holds Letter, A4, Legal, A5, B5 (JIS),
Executive, and 8.5 x 13 paper sizes.
Note: This tray is included with the
HP LaserJet P3005x model.
Q7817A
Print cartridge
Item Description Part number
HP LaserJet print cartridge 6,500-page cartridge Q7551A
HP LaserJet print cartridge 13,000–page cartridge Q7551X
Memory
Item Description Part number
144-pin 133MHz DDR2 DIMM
Boosts the ability of the device to handle
large or complex print jobs.
32 MB CB420A
64 MB CB421A
128 MB CB422A
256 MB CB423A
ENWW Part numbers 201