HP FastRes 600, HP FastRes 1200
Up to 5000 pages  Duty cycle is defined as the maximum number of pages per month of imaged output. This value provides a comparison of product robustness in relation to other HP LaserJet or HP Color LaserJet devices, and enables appropriate deployment of printers and MFPs to satisfy the demands of connected individuals or groups.
100 to 1000  HP recommends that the number of printed pages per month be within the stated range for optimum device performance, based on factors including supplies replacement intervals and device life over an extended warranty period.
HP 79A Original Black LaserJet Toner Cartridge CF279A  Declared yield value in accordance with ISO/IEC 19752 and continuous printing. Actual yields vary considerably based on images printed and other factors.
Mobile Print Capability not supported
Windows® 7, 8, 8.1,10 (32-bit/64-bit): 2 GB RAM for 64-bit, 1 GB RAM for 32-bit, 400 MB Free HD space; Windows Vista® (32-bit/64-bit): 1 GB RAM (32-bit); Windows® XP: Intel Pentium® II, Celeron® or 233 MHz compatible processor, 750 MB Free HD space; Windows® Server 2008 (32-bit/64-bit), Windows® Server 2003: 512 MB RAM, 400 MB free HD space; all systems: CD-ROM/DVD drive or Internet connection, USB port
Mac OS X 10.9, 10.10, 10.11; 1 GB available hard disk space; CD-ROM drive; USB port; Internet
Windows® 7, 8, 8.1, 10 (32-bit/64-bit), Windows Vista® (32-bit/64-bit), Windows® XP (32-bit/64-bit), Windows® Server 2008 (32-bit/64-bit), Windows® Server 2003 (32-bit/64-bit), Mac OS X v 10.9, v 10.10, v 10.11
A4; A5; A6; B5; postcards; envelopes (C5, DL, B5)
150-sheet input tray: 147 x 211 to 216 x 356 mm
Paper (laser, plain, photo, rough, vellum), envelopes, labels, cardstock, transparencies, postcards
Input voltage 115 to 127 VAC (+/- 10%), 60 Hz (+/- 2 Hz), 12 amp; 220 to 240 VAC (+/- 10%), 50 Hz (+/- 2 Hz), 6.0 amp. Not dual voltage, power supply varies by part number with # Option code identifier.
375 watts (active printing), 1.2 watts (ready), 0.8 watts (sleep), 0.8 watts (Auto Off/Wake on USB, enabled at shipment), 0.45 watts (Auto-off/Manual-on), 0.45 (Manual Off)  Power requirements are based on the country/region where the printer is sold. Do not convert operating voltages. This will damage the printer and void the product warranty. Power consumption values typicallty based on measurement of 115V device.
ENERGY STAR® qualified, EPEAT® Silver
IEC 60825-1:2007 / EN 60825-1:2007 (Class 1 Laser/LED Product)
Yes, Blue Angel DE-UZ 205—only ensured when using Original HP supplies
349 x 238 x 196 mm  Without input or output trays extended
349 x 410 x 228 mm  Without input or output trays extended
5.2 kg With print cartridges
HP LaserJet Pro M12a Printer; Preinstalled HP Original Introductory Black LaserJet Toner Cartridge (~500 pages); Installation guide, Setup Poster, Support flyer, Warranty guide; Software drivers and documentation on CD-ROM; Power cord; USB cable.
HP Original Introductory Black LaserJet Toner Cartridge (~500 page yield). Actual yields vary considerably based on images printed and other factors. For details see http://www.hp.com/go/learnaboutsupplies