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Product comparison · 2 laser printers

HP LaserJet M251n Colour vs Ricoh 407520 laser printer Colour

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  • 40specifications compared
  • 25differ
  • 15identical
  • 48known for one product only

Key differences

  • Duplex printing mode
    • Manual
    • Auto
  • Maximum resolution
    • 600 x 600 DPI
    • 2400 x 600 DPI
  • Print resolution colour
    • 600 x 600 DPI
    • 1200 x 600 DPI
  • Print speed (black, normal quality, A4/US Letter)
    • 14 ppm
    • 21 ppm
  • Print speed (colour, normal quality, A4/US Letter)
    • 14 ppm
    • 21 ppm
  • Time to first page (black, normal)
    • 18.5 s
    • 14 s
  • Time to first page (colour, normal)
    • 19 s
    • 14 s
  • Maximum duty cycle
    • 1500 pages per month
    • 30000 pages per month

Side by side

Differences highlightedShow differences only
88 specifications
A

HP

LaserJet M251n Colour

Model M251n

View product
B

Ricoh

407520 laser printer Colour

Model 407520

View product
Printing7 differ
Duplex printing modeDiffersManualAuto
Maximum resolutionDiffers600 x 600 DPI2400 x 600 DPI
Print resolution colourDiffers600 x 600 DPI1200 x 600 DPI
Print resolution blackKnown for one600 x 600 DPI
Print speed (black, normal quality, A4/US Letter)Differs14 ppm21 ppm
Print speed (colour, normal quality, A4/US Letter)Differs14 ppm21 ppm
Time to first page (black, normal)Differs18.5 s14 s
Time to first page (colour, normal)Differs19 s14 s
Duplex print speed (black, normal quality, A4/US Letter)Known for one12 ppm
Duplex print speed (colour, normal quality, A4/US Letter)Known for one12 ppm
Warm-up timeKnown for one30 s
Features1 differ
Maximum duty cycleDiffers1500 pages per month30000 pages per month
Recommended duty cycleKnown for one0 - 30000 pages per month
Printing coloursKnown for oneBlack, Cyan, Magenta, Yellow
HP segmentKnown for oneBusiness
Number of print cartridgesKnown for one4
Input & output capacity2 differ
Total input capacityDiffers150 sheets250 sheets
Total output capacityDiffers125 sheets150 sheets
Maximum output capacityKnown for one125 sheets
Total number of input traysKnown for one1
Maximum input capacityKnown for one751 sheets
Paper handling3 differ
Maximum print sizeDiffers216 x 356 mm210 x 297 mm
Paper tray media typesDiffersBond paper, Card stock, Envelopes, Glossy paper, Heavy paper, Labels, Photo paper, Plain paper, Pre-printed, Recycled paper, TransparenciesBond paper, Card stock, Envelopes, Labels, Plain paper, Pre-printed, Recycled paper, Thick paper, Thin paper
ISO B-series sizes (B0...B9)Known for oneB5
JIS B-series sizes (B0...B9)Known for oneB5
Envelopes sizesKnown for oneB5, C5, DL
Photo paper sizes (imperial)Known for one10x15"
Paper tray media weightDiffers60 - 163 g/m²60 - 160 g/m²
Multi-purpose tray media typesKnown for oneBond paper, Envelopes, Labels, Letterhead, Plain paper, Preprinted forms, Recycled paper, Thick paper, Thin paper
Duplex media weightKnown for one60 - 90 g/m²
Ports & interfaces1 differ
Standard interfacesDiffersEthernet, USB 2.0Ethernet, USB 1.1, USB 2.0, Wireless LAN
Optional connectivityKnown for oneWireless LAN
Network1 differ
Wi-FiDiffersNoYes
Security algorithmsKnown for one802.1x RADIUS, HTTPS, SSL/TLS
Supported network protocols (IPv4)Known for oneTCP/IP
Supported network protocols (IPv6)Known for oneTCP/IP
Management protocolsKnown for oneSNMP v1/v2/v3, HTTP/HTTPS, Telnet, TFTP, FTP
Wi-Fi standardsKnown for one802.11b, 802.11g, Wi-Fi 4 (802.11n)
Performance1 differ
Card reader integratedKnown for oneNo
Processor frequencyDiffers750 MHz350 MHz
Sound pressure level (printing)Known for one47 dB
Built-in processorKnown for oneYes
Design1 differ
Product colourDiffersBlackBlack, White
TouchscreenKnown for oneNo
Display number of linesKnown for one2 lines
CertificationKnown for oneIEC, EN, UL/cUL, GS, CE, CISPR, FCC, ICES
Colour displayKnown for oneNo
Power1 differ
Power consumption (printing)Known for one315 W
Power consumption (standby)Known for one5.1 W
Power consumption (off)Known for one0.2 W
AC input voltageDiffers110 - 240 V220 - 240 V
Power consumption (max)Known for one1300 W
System requirements2 differ
Windows operating systems supportedDiffersWindows 7 Home Basic, Windows 7 Home Basic x64, Windows 7 Home Premium, Windows 7 Home Premium x64, Windows 7 Professional, Windows 7 Professional x64, Windows 7 Starter, Windows 7 Starter x64, Windows 7 Ultimate, Windows 7 Ultimate x64, Windows 8, Windows 8 Enterprise, Windows 8 Enterprise x64, WinWindows XP Home, Windows XP Home x64, Windows XP Professional, Windows XP Professional x64, Windows Vista Business, Windows Vista Business x64, Windows Vista Enterprise, Windows Vista Enterprise x64, Windows Vista Home Basic, Windows Vista Home Basic x64, Windows Vista Home Premium, Windows Vista Ho
Mac operating systems supportedKnown for oneMac OS X 10.5 Leopard, Mac OS X 10.6 Snow Leopard, Mac OS X 10.7 Lion
Linux operating systems supportedKnown for oneFedora 11, Fedora 12, Fedora 9, RedHat EL Linux 5.0, SuSE Linux 10.3, SuSE Linux 11, Ubuntu 10.04, Ubuntu 8.04, Ubuntu 8.10, Ubuntu 9.04, Ubuntu 9.10, Yes
Server operating systems supportedDiffersWindows Server 2003, Windows Server 2008, Windows Server 2008 x64Windows Server 2003, Windows Server 2003 R2, Windows Server 2008, Windows Server 2008 R2, Windows Server 2008 R2 x64, Windows Server 2012, Windows Server 2012 x64
Minimum RAMKnown for one1024 MB
Minimum processorKnown for one1 GHz
Minimum storage drive spaceKnown for one200 MB
Operational conditionsidentical
Operating temperature (T-T)Known for one15 - 32.5 °C
Storage temperature (T-T)Known for one-20 - 40 °C
Operating relative humidity (H-H)Known for one20 - 70%
Weight & dimensions4 differ
WidthDiffers405 mm400 mm
DepthDiffers453 mm450 mm
HeightDiffers250 mm320 mm
WeightDiffers18.7 kg23.8 kg
Packaging dataidentical
Package widthKnown for one500 mm
Package depthKnown for one333 mm
Package heightKnown for one550 mm
Package weightKnown for one22.8 kg
Other features1 differ
PictBridgeDiffersNoYes
Power LEDKnown for oneYes
Stand-by LEDKnown for oneYes

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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