Product comparison · 2 multifunction printers

Epson WorkForce 320 Inkjet A4 vs HP OfficeJet CM756A Inkjet A4

38specifications compared
22differ
16identical
55known for one product only

Key differences

Duplex printing
- WorkForce 320 Inkjet A4:No
- OfficeJet CM756A Inkjet A4:Yes
Maximum resolution
- WorkForce 320 Inkjet A4:5760 x 1440 DPI
- OfficeJet CM756A Inkjet A4:1200 x 1200 DPI
Print speed (black, normal quality, A4/US Letter)
- WorkForce 320 Inkjet A4:4.3 ppm
- OfficeJet CM756A Inkjet A4:15 ppm
Print speed (colour, normal quality, A4/US Letter)
- WorkForce 320 Inkjet A4:2.2 ppm
- OfficeJet CM756A Inkjet A4:11 ppm
Scanner type
- WorkForce 320 Inkjet A4:Flatbed scanner
- OfficeJet CM756A Inkjet A4:Flatbed & ADF scanner
Input colour depth
- WorkForce 320 Inkjet A4:48 bit
- OfficeJet CM756A Inkjet A4:24 bit
Faxing
- WorkForce 320 Inkjet A4:Mono faxing
- OfficeJet CM756A Inkjet A4:Colour faxing
Fax memory
- WorkForce 320 Inkjet A4:180 pages
- OfficeJet CM756A Inkjet A4:100 pages

Side by side

Differences highlightedShow differences only

Comparison of 320, CM756A
93 specifications	A Epson WorkForce 320 Inkjet A4 Model 320 View product	B HP OfficeJet CM756A Inkjet A4 Model CM756A View product
Printing4 differ
Print technology	Inkjet	Inkjet
Printing	Colour printing	Colour printing
Duplex printingDiffers	No	Yes
Maximum resolutionDiffers	5760 x 1440 DPI	1200 x 1200 DPI
Print speed (black, normal quality, A4/US Letter)Differs	4.3 ppm	15 ppm
Print speed (colour, normal quality, A4/US Letter)Differs	2.2 ppm	11 ppm
Time to first page (black, normal)Known for one	Unknown — not stated by the source	14 s
Time to first page (colour, normal)Known for one	Unknown — not stated by the source	15 s
Copyingidentical
Copying	Colour copying	Colour copying
Duplex copyingKnown for one	No	Unknown — not stated by the source
Maximum number of copies	99 copies	99 copies
Maximum copy resolutionKnown for one	Unknown — not stated by the source	1200 x 600 DPI
Copy speed (black, normal quality, A4)Known for one	Unknown — not stated by the source	35 cpm
Copy speed (colour, normal quality, A4)Known for one	Unknown — not stated by the source	34 cpm
Copier resizeKnown for one	Unknown — not stated by the source	25 - 400%
Scanning2 differ
Scanning	Colour scanning	Colour scanning
Duplex scanningKnown for one	No	Unknown — not stated by the source
Optical scanning resolutionKnown for one	1200 x 1200 DPI	Unknown — not stated by the source
Maximum scan resolutionKnown for one	9600 x 9600 DPI	Unknown — not stated by the source
Scanner typeDiffers	Flatbed scanner	Flatbed & ADF scanner
Scan technologyKnown for one	CIS	Unknown — not stated by the source
Input colour depthDiffers	48 bit	24 bit
Output colour depthKnown for one	24 bit	Unknown — not stated by the source
Maximum scan areaKnown for one	Unknown — not stated by the source	Legal (216 x 356)
Image formats supportedKnown for one	Unknown — not stated by the source	JPG, TIF
Greyscale levelsKnown for one	Unknown — not stated by the source	256
Fax3 differ
FaxingDiffers	Mono faxing	Colour faxing
Duplex faxingKnown for one	No	Unknown — not stated by the source
Fax transmission speedKnown for one	3 sec/page	Unknown — not stated by the source
Modem speedKnown for one	33.6 Kbit/s	Unknown — not stated by the source
Fax memoryDiffers	180 pages	100 pages
Fax speed dialing (max numbers)Differs	60	75
Fax resolution (black)Known for one	Unknown — not stated by the source	203 x 98 DPI
Auto-redialingKnown for one	Unknown — not stated by the source	Yes
Fax broadcastingKnown for one	Unknown — not stated by the source	48 locations
Featuresidentical
Digital sender	No	No
Number of print cartridges	4	4
Printing colours	Black, Cyan, Magenta, Yellow	Black, Cyan, Magenta, Yellow
All-In-One-multitasking	Yes	Yes
Maximum duty cycleKnown for one	Unknown — not stated by the source	15000 pages per month
Input & output capacityidentical
Maximum input capacityKnown for one	100 sheets	Unknown — not stated by the source
Total input capacityKnown for one	Unknown — not stated by the source	250 sheets
Total output capacityKnown for one	Unknown — not stated by the source	150 sheets
Paper handling2 differ
Maximum ISO A-series paper size	A4	A4
Maximum print sizeDiffers	210 x 297 mm	216 x 356 mm
Paper tray media typesDiffers	Photo paper, Plain paper	Card stock, Envelopes, Photo paper, Transparencies
ISO A-series sizes (A0...A9)	A4, A5, A6	A4, A5, A6
ISO B-series sizes (B0...B9)Known for one	B5	Unknown — not stated by the source
Photo paper sizes (imperial)Known for one	4x6,5x7,8x10,3.5x5	Unknown — not stated by the source
Borderless printing media sizesKnown for one	A4	Unknown — not stated by the source
JIS B-series sizes (B0...B9)Known for one	Unknown — not stated by the source	B5
Ports & interfacesidentical
Standard interfaces	USB 2.0	USB 2.0
Direct printing	Yes	Yes
USB port	Yes	Yes
USB 2.0 ports quantity	1	1
Network2 differ
Wi-FiDiffers	No	Yes
Ethernet LANDiffers	No	Yes
Performance1 differ
Card reader integratedDiffers	No	Yes
Sound power level (standby)Known for one	38 dB	Unknown — not stated by the source
Mac compatibilityKnown for one	Yes	Unknown — not stated by the source
Internal memoryKnown for one	Unknown — not stated by the source	128 MB
Compatible memory cardsKnown for one	Unknown — not stated by the source	Memory Stick (MS), microSDHC, miniSD, MMC, MMCmicro, MS Duo, MS PRO, SDHC
Design1 differ
Market positioningDiffers	Home & office	Business
Built-in displayKnown for one	Yes	Unknown — not stated by the source
DisplayKnown for one	LCD	Unknown — not stated by the source
Display number of linesKnown for one	2 lines	Unknown — not stated by the source
Display diagonalKnown for one	Unknown — not stated by the source	10.9 cm (4.3")
TouchscreenKnown for one	Unknown — not stated by the source	Yes
Control typeKnown for one	Unknown — not stated by the source	Touch
Power2 differ
Power consumption (average operating)Differs	10 W	28 W
Power consumption (standby)Differs	0.2 W	6.3 W
AC input frequencyKnown for one	50 - 60 Hz	Unknown — not stated by the source
AC input voltageKnown for one	100 - 120 V	Unknown — not stated by the source
Power consumption (off)Known for one	Unknown — not stated by the source	0.6 W
System requirements2 differ
Windows operating systems supportedDiffers	Yes	Windows 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 supportedDiffers	Yes	Mac OS X 10.5 Leopard, Mac OS X 10.6 Snow Leopard
Linux operating systems supportedKnown for one	Unknown — not stated by the source	Yes
Operational conditionsidentical
Operating relative humidity (H-H)Known for one	20 - 80%	Unknown — not stated by the source
Operating temperature (T-T)Known for one	50 - 95 °F	Unknown — not stated by the source
Storage relative humidity (H-H)Known for one	5 - 85%	Unknown — not stated by the source
Storage temperature (T-T)Known for one	20 - 40 °C	Unknown — not stated by the source
Sustainabilityidentical
Sustainability certificatesKnown for one	ENERGY STAR	Unknown — not stated by the source
Weight & dimensions1 differ
WeightDiffers	7.12 kg	12.7 kg
Other features2 differ
Hardware scan resolutionKnown for one	1200 x 2400 DPI	Unknown — not stated by the source
Dimensions (WxDxH)Differs	459 x 541 x 302 mm	502 x 428 x 308 mm
All-in-one functions	Copy, Fax, Print, Scan	Copy, Fax, Print, Scan
Colour all-in-one functionsDiffers	Copy, Print, Scan	Copy, Fax, Print, Scan
Colour scanningKnown for one	Yes	Unknown — not stated by the source
Compatible operating systemsKnown for one	- Windows 7, Windows Vista, Windows XP, Windows XP x64 - Mac5 OS X, 10.4.11, 10.5.8 and 10.6.x	Unknown — not stated by the source
Connectivity technologyKnown for one	Wired & Wireless	Unknown — not stated by the source
SafetyKnown for one	UL60950, CSA C22.2 No. 60950 EMI FCC Part 15 subpart B class B, CAN/CSA-CEI/IEC CISPR 22 class B	Unknown — not stated by the source
Standard input traysKnown for one	Unknown — not stated by the source	1
PictBridgeKnown for one	Unknown — not stated by the source	Yes

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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