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Product comparison · 2 multifunction printers

Epson EcoTank ET-4951 vs Epson WorkForce Enterprise WF-C21000

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  • 36specifications compared
  • 24differ
  • 12identical
  • 85known for one product only

Key differences

The Epson EcoTank ET-4951 has 3.6 s more time to first page (black, normal) than the Epson WorkForce Enterprise WF-C21000 (8.5 s vs 4.9 s). The Epson EcoTank ET-4951 has 8.6 s more time to first page (colour, normal) than the Epson WorkForce Enterprise WF-C21000 (13.5 s vs 4.9 s). The Epson WorkForce Enterprise WF-C21000 has 450 pages more fax memory than the Epson EcoTank ET-4951 (550 pages vs 100 pages). Maximum resolution: 4800 x 1200 DPI on the Epson EcoTank ET-4951, 600 x 2400 DPI on the Epson WorkForce Enterprise WF-C21000. Optical scanning resolution: 1200 x 2400 DPI on the Epson EcoTank ET-4951, 600 x 600 DPI on the Epson WorkForce Enterprise WF-C21000.

  • Maximum resolution
    • 4800 x 1200 DPI
    • 600 x 2400 DPI
  • Time to first page (black, normal)
    • 8.5 s
    • 4.9 s
  • Time to first page (colour, normal)
    • 13.5 s
    • 4.9 s
  • Optical scanning resolution
    • 1200 x 2400 DPI
    • 600 x 600 DPI
  • Fax memory
    • 100 pages
    • 550 pages
  • Maximum duty cycle
    • 1600 pages per month
    • 400000 pages per month
  • Printing colours
    • Yellow, Magenta, Cyan, Black
    • Black, Cyan, Magenta, Yellow
  • Total input capacity
    • 250 sheets
    • 2350 sheets

Side by side

Differences highlightedShow differences only
121 specifications
A

Epson

EcoTank ET-4951

Model C11CL40408CA

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B

Epson

WorkForce Enterprise WF-C21000

Model WF-C21000

View product
Printing3 differ
Print technologyKnown for oneInkjet
PrintingKnown for oneColour printing
Duplex printingYesYes
Maximum resolutionDiffers4800 x 1200 DPI600 x 2400 DPI
Print speed (black, normal quality, A4/US Letter)Known for one100 ppm
Print speed (colour, normal quality, A4/US Letter)Known for one100 ppm
Print speed (black, normal quality, A3)Known for one54 ppm
Print speed (colour, normal quality, A3)Known for one54 ppm
Duplex print speed (black, normal quality, A4/US Letter)Known for one100 ppm
Duplex print speed (colour, normal quality, A4/US Letter)Known for one100 ppm
Time to first page (black, normal)Differs8.5 s4.9 s
Time to first page (colour, normal)Differs13.5 s4.9 s
Secure printingKnown for oneYes
Duplex printing modeKnown for oneAuto
Print speed (ISO/IEC 24734) blackKnown for one18 ppm
Print speed (ISO/IEC 24734) colourKnown for one9 ppm
Duplex print speed (ISO/IEC 24734, A4) blackKnown for one7 ppm
Duplex print speed (ISO/IEC 24734, A4) colourKnown for one5 ppm
Borderless printingKnown for oneYes
Copyingidentical
CopyingKnown for oneColour copying
Maximum copy resolutionKnown for one600 x 1200 DPI
Maximum number of copiesKnown for one9999 copies
Copier resizeKnown for one25 - 400%
Copy speedKnown for oneUp to12 ipm Black, Up to5 ipm Colour; *Simplex ADF 600 x 600 dpi (ISO/ IEC 24735)
Scanning2 differ
ScanningKnown for oneColour scanning
Duplex scanningYesYes
Optical scanning resolutionDiffers1200 x 2400 DPI600 x 600 DPI
Scan technologyCISCIS
Scan toKnown for oneE-mail, FTP, PC, USB
Image formats supportedDiffersBMP, JPEG, PICT, TIFF, MTIFF, PNGBMP, JPEG, PNG, TIFF
Document formats supportedPDFPDF
Duplex scan speed (A4/Letter, black): up toKnown for one3.5 ppm
Duplex scan speed (A4/Letter, colour): up toKnown for one3.5 ppm
Scan speed (black, normal quality)Known for one5 ipm with ADF scan 9 sec. with flatbed scan
Scan speed (colour, normal quality)Known for one5 ipm with ADF scan 21 sec. with flatbed scan
Fax1 differ
FaxingColour faxingColour faxing
Fax transmission speed3 sec/page3 sec/page
Modem speed33.6 Kbit/s33.6 Kbit/s
Fax memoryDiffers100 pages550 pages
Auto-redialingYesYes
Speed diallingKnown for oneYes
Fax forwardingKnown for oneYes
Error Correction Mode (ECM)Known for oneYes
Fax speed dialing (max numbers)Known for one100
Fax forwarding toKnown for onePC
Features2 differ
Maximum duty cycleDiffers1600 pages per month400000 pages per month
Recommended duty cycleKnown for one8000 - 100000 pages per month
Duplex functionsKnown for onePrint
Printing coloursDiffersYellow, Magenta, Cyan, BlackBlack, Cyan, Magenta, Yellow
Page description languagesKnown for oneESC P, ESC/P-R, PCL 5c, PCL 5e, PCL 6, PDF 1.7, PostScript 3
Number of print cartridgesKnown for one4
Country of originKnown for onePhilippines
Input & output capacity2 differ
Total number of input traysKnown for one4
Total input capacityDiffers250 sheets2350 sheets
Total output capacityDiffers30 sheets550 sheets
Paper tray 1 input capacityKnown for one550 sheets
Paper tray 2 input capacityKnown for one550 sheets
Multi-Purpose trayKnown for oneYes
Multi-Purpose tray input capacityKnown for one150 sheets
Auto document feeder (ADF)YesYes
Maximum input capacityKnown for one5350 sheets
Auto document feeder (ADF) input capacityKnown for one30 sheets
Paper handling6 differ
Maximum ISO A-series paper sizeKnown for oneA4
Paper tray media typesDiffersPlain paper, EnvelopesEnvelopes, Plain paper, Postcard, Recycled paper
ISO A-series sizes (A0...A9)DiffersA4, A5, A6A3, A3+, A4, A5, A6
ISO B-series sizes (B0...B9)DiffersB6, B5B4, B5, B6
Non-ISO print media sizesDiffersLetterExecutive, Legal, Letter
Envelopes sizesDiffers10, DL, C610, C4, C5, C6, DL
Paper tray media weightDiffers64 - 300 g/m²60 - 350 g/m²
Photo paper sizesKnown for one10x15,13x18 cm
Ports & interfacesidentical
Direct printingKnown for oneYes
USB portKnown for oneYes
USB connectorKnown for oneUSB Type-A / USB Type-B
Networkidentical
Wi-FiKnown for oneYes
Ethernet LANKnown for oneYes
Cabling technologyKnown for one10/100/1000Base-T(X)
Ethernet LAN data ratesKnown for one10,100,1000 Mbit/s
Near Field Communication (NFC)Known for oneYes
Security algorithmsKnown for one64-bit WEP, 128-bit WEP, WPA2-PSK, WPA3-SAE
Mobile printing technologiesKnown for oneApple AirPrint, Epson Smart Panel, Epson Connect, Epson Email Print, Epson Remote Print, Epson Scan to Cloud
Design3 differ
Product colourDiffersBlackBlack, White
Market positioningDiffersHome & officeBusiness
Built-in displayYesYes
DisplayKnown for oneLCD
Display diagonalDiffers6.1 cm (2.4")22.6 cm (8.9")
Control typeTouchTouch
Colour displayYesYes
Power1 differ
Power consumption (copying)Known for one170 W
Power consumption (ready)Known for one76 W
Power consumption (sleep)Known for one1.1 W
Power consumption (off)Known for one0.1 W
Energy Star Typical Electricity Consumption (TEC)Known for one0.4 kWh/week
AC input voltageDiffers100 - 240 V100 - 220 V
System requirementsidentical
Windows operating systems supportedKnown for oneYes
Mac operating systems supportedKnown for oneYes
Server operating systems supportedKnown for oneWindows Server 2008 R2, Windows Server 2008 R2 x64, Windows Server 2016
Weight & dimensions4 differ
WidthDiffers375 mm674 mm
DepthDiffers347 mm757 mm
HeightDiffers240 mm1243 mm
WeightDiffers7.3 kg177.1 kg
Packaging dataidentical
Package widthKnown for one415 mm
Package depthKnown for one510 mm
Package heightKnown for one325 mm
Package weightKnown for one10.9 kg
Quantity per packKnown for one1 pc(s)
Technical detailsidentical
Safety warningKnown for oneContains 1,2-benzisothiazol-3(2H)-one. May produce an allergic reaction.<br>Contains 2,4,7,9-tetramethyldec-5-yne-4,7-diol. May produce an allergic reaction.<br>Always follow the information on the product label.
Box contentsKnown for one1 set of ink (1x 127ml BK, 3x 70ml CMY) + Extra Black, Main unit, Power cable, Quick Setup Guide, Warranty document
Colours capacityKnown for oneBlack [127ml], Cyan [70ml], Yellow [70ml], Magenta [70ml]
Other featuresidentical
Printing methodKnown for oneEpson PrecisionCore
Standard input traysKnown for one250-sheet paper tray
Number of usersKnown for one4 user(s)
All-in-one functionsKnown for oneScan, Copy, Fax, Print
Compatible operating systemsKnown for oneMac OS X 10.9.5 or later, Windows 10 (32/64 bit), Windows 11, Windows 7 (32/64 bit), Windows 8 (32/64 bit), Windows 8.1 (32/64 bit), Windows Server 2008 (32/64bit), Windows Server 2008 R2, Windows Server 2012 (64bit), Windows Server 2012 R2, Windows Server 2016, Windows Server 2019, Windows Server 2
EmulationsKnown for oneESC/P-R
InterfaceKnown for oneUSB, Ethernet, Wi-Fi Direct, Wireless LAN IEEE 802.11a/b/g/n/ac(Wi-Fi 5)/k/v/r
Colour printing technologyKnown for onePigment black and Dye colour Inks
Ink dropKnown for one3.3 pl
Page yield high capacity (black & white)Known for one15,100 pages
Page yield high capacity (colour)Known for one5,500 pages
Print head nozzlesKnown for one400 Nozzles Black, 128 Nozzles per Color
Print speedKnown for one35 pages/min Monochrome (plain paper 75 g/m&sup2;), 23 pages/min Colour (plain paper 75 g/m&sup2;)

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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