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Product comparison · 2 multifunction printers

Epson EcoTank 6191 Inkjet A4 vs HP OfficeJet Pro 7740 Thermal inkjet A3

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  • 50specifications compared
  • 28differ
  • 22identical
  • 56known for one product only

Key differences

  • Print technology
    • Inkjet
    • Thermal inkjet
  • Print speed (black, normal quality, A4/US Letter)
    • 33 ppm
    • 22 ppm
  • Print speed (colour, normal quality, A4/US Letter)
    • 20 ppm
    • 18 ppm
  • Copy speed (black, normal quality, A4)
    • 11 cpm
    • 33 cpm
  • Copy speed (colour, normal quality, A4)
    • 5.5 cpm
    • 31 cpm
  • Optical scanning resolution
    • 1200 x 2400 DPI
    • 1200 x 1200 DPI
  • Scan to
    • Cloud, PC
    • E-mail, Memory card, PC
  • Image formats supported
    • BMP, JPG, TIF
    • BMP, JPG, PNG, TIF

Side by side

Differences highlightedShow differences only
106 specifications
A

Epson

EcoTank 6191 Inkjet A4

Model 6191

View product
B

HP

OfficeJet Pro 7740 Thermal inkjet A3

Model 7740

View product
Printing3 differ
Print technologyDiffersInkjetThermal inkjet
Print speed (black, normal quality, A4/US Letter)Differs33 ppm22 ppm
Print speed (colour, normal quality, A4/US Letter)Differs20 ppm18 ppm
Print speed (black, draft quality, A4/US Letter)Known for one34 ppm
Print speed (colour, draft quality, A4/US Letter)Known for one34 ppm
Time to first page (black, normal)Known for one9 s
Time to first page (colour, normal)Known for one10 s
Copying2 differ
Maximum copy resolutionKnown for one600 x 600 DPI
Copy speed (black, normal quality, A4)Differs11 cpm33 cpm
Copy speed (colour, normal quality, A4)Differs5.5 cpm31 cpm
Copier resizeKnown for one25 - 400%
Scanning4 differ
Optical scanning resolutionDiffers1200 x 2400 DPI1200 x 1200 DPI
Maximum scan areaKnown for one297 x 432 mm
Scan technologyKnown for oneCIS
Scan toDiffersCloud, PCE-mail, Memory card, PC
Image formats supportedDiffersBMP, JPG, TIFBMP, JPG, PNG, TIF
Document formats supportedDiffersPDFPDF, RTF
Input colour depthKnown for one24 bit
Greyscale levelsKnown for one256
TWAIN versionKnown for one2.1
Fax1 differ
Fax resolution (black)Known for one300 x 300 DPI
Fax transmission speedKnown for one4 sec/page
Fax memoryDiffers1.1 pages100 pages
Auto-redialingKnown for oneYes
Fax speed dialing (max numbers)Known for one99
Fax forwardingKnown for oneYes
Auto reductionKnown for oneYes
Distinctive ringKnown for oneYes
Fax delayed sendingKnown for oneYes
Features1 differ
Maximum duty cycleKnown for one30000 pages per month
Recommended duty cycleKnown for one250 - 1500 pages per month
Duplex functionsKnown for oneCopy, Fax, Print, Scan
Digital senderKnown for oneYes
Number of print cartridgesKnown for one4
Page description languagesDiffersESC/P-RPCL 3, PCL 6, PostScript 3
All-In-One-multitaskingKnown for oneYes
Input & output capacity4 differ
Total number of input traysDiffers12
Total input capacityDiffers250 sheets500 sheets
Total output capacityDiffers30 sheets75 sheets
Maximum number of input traysDiffers12
Maximum input capacityKnown for one500 sheets
Paper handling4 differ
Maximum ISO A-series paper sizeDiffersA4A3
Paper tray media typesDiffersBond paper, Glossy paper, Matte paper, Photo paper, Plain paperEnvelopes, Glossy paper, Matte paper, Photo paper, Plain paper
ISO A-series sizes (A0...A9)DiffersA4, A5, A6A3, A4
Non-ISO print media sizesDiffersLegalExecutive, Ledger (media size)
ISO B-series sizes (B0...B9)Known for oneB5
Envelopes sizesKnown for oneC6, DL
Photo paper sizes (imperial)Known for one4x7,7.8x9.8,4x6
Ports & interfaces1 differ
Standard interfacesDiffersEthernet, USB, Wireless LANEthernet, RJ-11, USB 2.0, Wireless LAN
Direct printingKnown for oneYes
RJ-11 ports quantityKnown for one1
Network1 differ
Mobile printing technologiesDiffersApple AirPrint, Epson Connect, Epson IPrint, Google Cloud PrintApple AirPrint, Google Cloud Print, HP ePrint, Mopria Print Service
Cabling technologyKnown for one10/100Base-T(X)
Ethernet LAN data ratesKnown for one10,100 Mbit/s
Supported network protocols (IPv4)Known for oneTCP
Supported network protocols (IPv6)Known for oneTCP
Management protocolsKnown for oneSNMP, HTTP, DHCP, BOOTP, APIPA, PING, DDNS, mDNS, SLP, WSD, LLTD
Network printing methodsKnown for oneLPD, IPP, Port 9100, WSD
Security featuresKnown for oneUL60950, CSA C22.2 N.º 60950 EMI FCC Parte 15, subparte B clase B,- CAN/CSA-CEI/IEC CISPR 22 clase B
Performanceidentical
Internal memoryKnown for one512 MB
Maximum internal memoryKnown for one512 MB
Built-in processorKnown for oneYes
Processor frequencyKnown for one1200 MHz
Design3 differ
Product colourDiffersBlackBlack, White
Market positioningDiffersHome & officeBusiness
Display diagonalDiffers6.1 cm (2.4")6.73 cm (2.65")
DisplayKnown for oneLCD
Poweridentical
Power consumption (average operating)Known for one37 W
Power consumption (standby)Known for one6.5 W
Power consumption (sleep)Known for one1.47 W
Power consumption (off)Known for one0.2 W
Energy Star Typical Electricity Consumption (TEC)Known for one0.398 kWh/week
AC input frequencyKnown for one50 - 60 Hz
AC input voltageKnown for one100 - 240 V
Brand-specific featuresidentical
HP Dynamic securityKnown for oneYes
System requirementsidentical
Windows operating systems supportedKnown for oneYes
Mac operating systems supportedKnown for oneMac OS X 10.10 Yosemite, Mac OS X 10.11 El Capitan, Mac OS X 10.9 Mavericks
Operational conditionsidentical
Operating temperature (T-T)Known for one5 - 40 °C
Weight & dimensions4 differ
WidthDiffers375 mm584 mm
DepthDiffers347 mm466.9 mm
HeightDiffers231 mm383.3 mm
WeightDiffers6.8 kg19.5 kg
Technical detailsidentical
Compliance certificatesKnown for oneRoHS
Other featuresidentical
Software CDKnown 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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