Detailed Specification: 

Print speed black:
Normal:Up to 18 ppm 

Print speed color:
Normal:Up to 18 ppm

First page out (ready)
Black: As fast as 17 sec
Color: As fast as 17 sec 

Print quality black (best)

• Up to 600 x 600 dpi

Print quality color (best)

• Up to 600 x 600 dpi

Duty cycle (monthly, A4)
Up to 30,000 pages

Recommended monthly page volume
500 to 1500 

Recommended monthly page volume note
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. 

Print technology

• Laser

Processor speed
600 MHz 

Print languages
HP PCL 5c, HP PCL 6, HP Postscript Level 3 emulation, PDF 

Display

• 2-line LCD (text)

Connectivity

HP ePrint capability
No 

Wireless capability
Optional, enabled with purchase of a hardware accessory 

Connectivity, standard

• 1 Hi-Speed USB 2.0

Connectivity, optional

• None

Network ready
No

Memory specifications 

Memory, standard
128 MB 

Memory, maximum
384 MB 

Hard disk

• None

Paper handling

Paper handling input, standard
50-sheet multipurpose tray, 250-sheet input tray 

Paper handling input, optional
Optional 250-sheet tray 

Paper handling output, standard
150-sheet output bin 

Duplex printing
Manual (driver support provided) 

Media sizes supported
Tray 1, Tray 2, optional Tray 3: A4, A5, A6, B5 (JIS), 10 x 15 cm, postcards (JIS single, JIS double), envelopes (ISO DL, ISO C5, ISO B5) 

Media sizes, custom
Tray 1: 76 x 127 to 216 x 356 mm; Tray 2, optional Tray 3: 100 x 148 to 216 x 356 mm 

Media types
Paper (bond, brochure, coloured, glossy, letterhead, photo, plain, preprinted, prepunched, recycled, rough), postcards, transparencies, labels, envelopes 

Supported media weight
Tray 1: 60 to 176 g/m² (up to 220 g/m² with postcards and HP Color Laser glossy photo papers); Tray 2, optional Tray 3: 60 to 163 g/m² (up to 176 g/m² with postcards) 

Power and operating requirements

Power
Input voltage: 220 to 240 VAC (+/- 10%), 50 Hz (+/- 3 Hz) 

Power consumption
410 watts (active), 15.7 watts (ready), 3.0 watts (sleep), 0.5 watts (manual-off). Typical Electricity Consumption (TEC): 1.237 kWh/Week 

Energy efficiency

• ENERGY STAR® qualified

Operating temperature range
15 to 30ºC 

Operating humidity range

• 20 to 70% RH (non-condensing)

Dimensions and weight

Minimum dimensions (W x D x H)
405 x 454 x 322 mm 

Maximum dimensions (W x D x H)
405 x 659 x 322 mm 

Weight
22.74 kg 

Package dimensions (W x D x H)
595 x 495 x 462 mm 

Package weight
27 kg 

What's included

What's in the box

• HP LaserJet Pro 300 color M351a printer
• Four preinstalled introductory HP LaserJet toner cartridges (yield ~1400 pages)
• In-box documentation (Hardware installation guide)
• Software drivers and documentation on CD-ROMs
• Power cord