4ZB78A - Configure your printer, print and scan from your cell phone.
Printing type: Monochrome, Resolution: up to 1,200 x 1,200 dpi
Print Speed: 20 ppm
Hi-Speed USB 2.0 port, 802.11 b/g/n wireless connection
Replacement cartridges: HP 105A Black Original Laser Toner Cartridge. Actual yield varies considerably based on content of printed pages and other factors. For details see http://www.hp.com/go/learnaboutsupplies
Warranty features: One-year limited hardware warranty; 24-hour, 7 days a week support - HP Support