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Product comparison · 2 multifunction printers

Epson Stylus NX420 Inkjet A4 vs HP OfficeJet CM756A Inkjet A4

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  • 38specifications compared
  • 20differ
  • 18identical
  • 55known for one product only

Key differences

  • Duplex printing
    • No
    • Yes
  • Maximum resolution
    • 5760 x 1440 DPI
    • 1200 x 1200 DPI
  • Print speed (black, normal quality, A4/US Letter)
    • 6.4 ppm
    • 15 ppm
  • Print speed (colour, normal quality, A4/US Letter)
    • 3.3 ppm
    • 11 ppm
  • Scanner type
    • Flatbed scanner
    • Flatbed & ADF scanner
  • Input colour depth
    • 48 bit
    • 24 bit
  • Faxing
    • No
    • Colour faxing
  • Maximum print size
    • 210 x 297 mm
    • 216 x 356 mm

Side by side

Differences highlightedShow differences only
93 specifications
A

Epson

Stylus NX420 Inkjet A4

Model NX420

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B

HP

OfficeJet CM756A Inkjet A4

Model CM756A

View product
Printing4 differ
Duplex printingDiffersNoYes
Maximum resolutionDiffers5760 x 1440 DPI1200 x 1200 DPI
Print speed (black, normal quality, A4/US Letter)Differs6.4 ppm15 ppm
Print speed (colour, normal quality, A4/US Letter)Differs3.3 ppm11 ppm
Time to first page (black, normal)Known for one14 s
Time to first page (colour, normal)Known for one15 s
Copyingidentical
Duplex copyingKnown for oneNo
PC free copyingKnown for oneYes
Maximum copy resolutionKnown for one1200 x 600 DPI
Copy speed (black, normal quality, A4)Known for one35 cpm
Copy speed (colour, normal quality, A4)Known for one34 cpm
Scanning2 differ
Duplex scanningKnown for oneNo
Optical scanning resolutionKnown for one1200 x 1200 DPI
Maximum scan resolutionKnown for one9600 x 9600 DPI
Scanner typeDiffersFlatbed scannerFlatbed & ADF scanner
Scan technologyKnown for oneCIS
Input colour depthDiffers48 bit24 bit
Output colour depthKnown for one24 bit
Maximum scan areaKnown for oneLegal (216 x 356)
Image formats supportedKnown for oneJPG, TIF
Greyscale levelsKnown for one256
Fax1 differ
FaxingDiffersNoColour faxing
Duplex faxingKnown for oneNo
Fax resolution (black)Known for one203 x 98 DPI
Fax memoryKnown for one100 pages
Auto-redialingKnown for oneYes
Fax speed dialing (max numbers)Known for one75
Fax broadcastingKnown for one48 locations
Featuresidentical
Maximum duty cycleKnown for one15000 pages per month
Input & output capacityidentical
Maximum input capacityKnown for one100 sheets
Total input capacityKnown for one250 sheets
Total output capacityKnown for one150 sheets
Paper handling2 differ
Maximum print sizeDiffers210 x 297 mm216 x 356 mm
Paper tray media typesDiffersPhoto paper, Plain paperCard stock, Envelopes, Photo paper, Transparencies
ISO B-series sizes (B0...B9)Known for oneB5
Photo paper sizes (imperial)Known for one4x6,8x10,3.5x5
Borderless printing media sizesKnown for oneA4
JIS B-series sizes (B0...B9)Known for oneB5
Ports & interfaces1 differ
Standard interfacesDiffersEthernet, USB 2.0, Wireless LANUSB 2.0
Networkidentical
Wi-Fi standardsKnown for one802.11b, 802.11g, Wi-Fi 4 (802.11n)
Performance1 differ
Compatible memory cardsDiffersMemory Stick (MS), microSDHC, miniSD, miniSDHC, MS PRO, MS PRO Duo, MS Pro-HG Duo, SD, SDHC, xDMemory Stick (MS), microSDHC, miniSD, MMC, MMCmicro, MS Duo, MS PRO, SDHC
Sound power level (standby)Known for one38 dB
Mac compatibilityKnown for oneYes
Internal memoryKnown for one128 MB
Design2 differ
Market positioningDiffersHome & officeBusiness
Built-in displayKnown for oneYes
DisplayKnown for oneLCD
Display diagonalDiffers3.81 cm (1.5")10.9 cm (4.3")
TouchscreenKnown for oneYes
Control typeKnown for oneTouch
Power1 differ
Power consumption (average operating)Differs13 W28 W
Power consumption (PowerSave)Known for one0.2 W
AC input frequencyKnown for one50 - 60 Hz
AC input voltageKnown for one100 - 120 V
Power consumption (standby)Known for one6.3 W
Power consumption (off)Known for one0.6 W
System requirements2 differ
Windows operating systems supportedDiffersYesWindows 7 Home Premium, Windows 7 Home Premium x64, Windows 7 Professional, Windows 7 Ultimate, Windows 7 Ultimate x64, Windows Vista Business, Windows Vista Business x64, Windows Vista Home Basic, Windows Vista Home Basic x64, Windows Vista Home Premium, Windows Vista Home Premium x64, Windows Vist
Mac operating systems supportedDiffersYesMac OS X 10.5 Leopard, Mac OS X 10.6 Snow Leopard
Linux operating systems supportedKnown for oneYes
Operational conditionsidentical
Operating relative humidity (H-H)Known for one20 - 80%
Operating temperature (T-T)Known for one50 - 95 °F
Storage relative humidity (H-H)Known for one5 - 85%
Storage temperature (T-T)Known for one-20 - 40 °C
Sustainabilityidentical
Sustainability certificatesKnown for oneENERGY STAR
Weight & dimensions1 differ
WeightDiffers5.58 kg12.7 kg
Other features3 differ
Hardware scan resolutionKnown for one1200 x 2400 DPI
Dimensions (WxDxH)Differs449 x 541 x 297 mm502 x 428 x 308 mm
All-in-one functionsDiffersCopy, Print, ScanCopy, Fax, Print, Scan
Colour all-in-one functionsDiffersCopy, Print, ScanCopy, Fax, Print, Scan
Colour scanningKnown for oneYes
Compatible operating systemsKnown for one- Windows 7, Windows Vista, Windows XP, Windows XP x64 - Mac OS X 10.4.11, 10.5.8, 10.6.x
Connectivity technologyKnown for oneWired & Wireless
SafetyKnown for oneUL60950, CSA C22.2 No. 60950, EMI FCC Part 15 subpart B class B, CAN / CSA – CEI / IEC CISPR 22 class B
Standard input traysKnown for one1
PictBridgeKnown 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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