Epson WorkForce ET-4550 EcoTank All-in-One Inkjet Printer

Model #C11CE71201

Epson Warranty
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Bit Depth Input: 48-bit color Output: 24-bit color
Scanner Features Scan to PC, Scan to Cloud (including email), Scan to PDF
Type Flatbed and ADF
Scan Sensor CIS line sensor
Hardware Resolution 1200 x 2400 dpi
Interpolated Resolution 9600 dpi
Scan Area Flatbed: 8.5 x 11.7" (21.6 x 29.7 cm)

Printing Method

Ink Cartridge Configuration 4 individual ink tanks
Ink Palette CMYK (cyan, magenta, yellow, black)
Minimum Ink Droplet Size 3.3 pl
Printer Language ESC/P-R
Printing Technology 4-color drop-on-demand MicroPiezo inkjet, PrecisionCore 1S print head
Maximum Resolution 4800 x 1200 dpi
Print Speed 13 ppm Black/7.3 ppm Color
Duplex Printing 6.5 ppm Black/4.5 ppm Color
Ink Supply Method 664 Standard-Capacity Cyan Ink Bottle (~6500 pages) 664 Standard-Capacity Magenta Ink Bottle (~6500 pages) 664 Standard-Capacity Yellow Ink Bottle (~6500 pages) 774 Standard-Capacity Black Ink Bottle (~6000 pages)


Operating Conditions Temperature: 50 to 95°F (10 to 35°C) Humidity: 20 to 80%
Storage Conditions Temperature: -4 to 140°F (-20 to 40°C) Humidity: 5 to 85% non-condensing
Power Consumption Operating: 11 W Power Off Mode: 0.3 W
Power Requirements 100-240 VAC, 50-60 Hz, 0.5-0.3 A
Sound Level Power: 6.4 B(A)Pressure: 50 dB(A)
Status Display 2.2" (5.6 cm) mono LCD screen
Weight 16.3 lb (7.4 kg)
Dimensions Printing: 20.3 x 22.0 x 9.5" (51.6 x 55.9 x 24.1 cm)Storage: 20.3 x 14.2 x 9.5" (51.6 x 36.1 x 24.1 cm)
Safety Approvals Safety standards UL60950-1-CAN/CSA 22.2 No. 60950 EMI FCC part 15 subpart B class B, CAN/CSA-CEI/IEC CISPR 22 class B
Compliance RoHS compliant ENERGY STAR certified Recyclable

Packaging Info

Box Dimensions (LxWxH) 28.0 x 18.3 x 14.4"
Package Weight 24.5 lb

Media Handling

Paper Sizes 3.5 x 5", 4 x 6", 5 x 7", 8 x 10", 8.5 x 11", 8.5 x 14", A4, A6, half letter, executive
PC-Free Paper Support Plain Paper: Letter, legal, A4 Photo: 4 x 6", 5 x 7", 8 x 10", letter, A4
Maximum Print Size 8.5 x 47.2" (21.6 x 119.9 cm)
Paper Capacity Input: 150 sheet plain paper, 20 sheets photo paper Glossy, or 10 envelopes ADF: 30 sheets Output: 30 sheets plain paper
Special Media Support No. 10 envelopes
Paper Handling Input tray Automatic document feeder Output tray
Paper Types Paper: Plain paper, Epson Bright White Paper, Photo Paper Glossy, Premium Photo Paper Glossy, Ultra Premium Photo Paper Glossy, Presentation Paper Matte, Premium Presentation Paper Matte, and Premium Presentation Paper Matte Double-sided Envelopes: No. 10; plain paper, bond paper, air mail


Fax Color Color and black & white
Memory 100 pages
Speed Dial Locations 60 (max.)
Fax Features PC-Fax
Modem 33.6 kbps
Transmission Speed 3 sec per page


Copy Features Automatic 1-sided to 2-sided, fit to page, automatic reduction and enlargement (25-400%), ID copy, adjustable copy density
Maximum Copy Size 8.5 x 14" (21.6 x 35.6 cm)
Number of Copies 1-99 copies (PC-free)
Copy Modes Color, black/white, standard/best
Copy Speed 11 cpm Black/5.5 cpm Color


Interface USB 2.0 Ethernet (10/100/1000 Mbps) Wi-Fi 802.11 b/g/n Wi-Fi Direct
Mobile Printing Features Epson Connect Epson Email Print Epson iPrint Mobile App Apple AirPrint Google Cloud Print
Compatible Operating Systems Windows 10, 8.x (32/64-bit), 7 (32/64-bit), Vista (32/64-bit) XP SP3 (32-bit), XP Professional x64 Edition (64-bit), Server 2012 R2, Server 2012, Server 2008 R2, Server 2008, Server 2003 R2, Server 2003 Mac OS X 10.6.x-10.11.x
Expert Reviews
Pc magazine.32817846
21 August 2015

The Epson WorkForce ET-4550 EcoTank All-in-One Printer costs a lot for a personal multifunction printer (MFP), but it comes with all the ink most users will ever need.

  • +

    Bottles of ink and large ink tanks dramatically lower the cost of printing. Ships with enough ink to print 11,000 monochrome pages or 8,500 color pages. Prints, faxes, scans, and copies. Automatic document feeder. Ethernet, Wi-Fi, Wi-Fi Direct.

  • -

    Paper capacity is suitable for personal or light-duty shared use only.

4 August 2015

If you're closer to the 300 to 400 pages per month range, though, this $500 supertanker just may be the best bargain out there over the long haul.

  • +

    Unheard-of low costs per page with EcoTank, High-quality output, Good scans and copies, Auto-duplexing print engine

  • -

    A bit pricey, No auto-duplexing ADF, No flash memory card support

Chip chick.34750619
22 December 2015

It’s Sunday night. You’re halfway through a 10-page presentation that’s due first thing Monday and you get the dreaded “out of ink” message. And no, you don’t have a backup cartridge. That all-too-familiar scenario is about to change.

Good gear guide.34754349
10 December 2015

The inkjet printer model is one that most people understand quite well by now. The common analogy is to razor blades, where you pay only a little for the razor head but quite a lot for the razor blades.

  • +

    Excellent economy for heavy ink users, Good quality output

  • -

    Slow print speeds, Topping up ink tanks is a messy process

Expertreviews co uk.33706088
20 October 2015

EcoTank sounds like a leading brand of compost bins, but it's actually Epson's range of printers that use refillable ink tanks, rather than cartridges. We love the concept, but the basic EcoTank L555 we reviewed last year just wasn't a good enough MFP.

16 October 2015

We've awarded the ET-4550 an Editor's Choice based on our assessment of its capabilities and performance as a general-purpose home and small office printer that could be called upon at times to produce photo prints.

12 October 2015

The Epson Workforce ET-4550 is an injket printer that comes with no inkjet cartridges at all. No, really. None at all, because it doesn’t use them. Epson’s latest foray into inkjets uses ink tanks and bottles rather than cartridges, you see.

Techradar uk.32817471
17 August 2015

If your main concern is keeping costs down, the ET-4550 might be the ideal printer for you. But if you have any other needs, you're better off looking elsewhere.

User Reviews
B h photo.32817553
28 July 2016

It appears to be a very good printer. The only problem is when printing out sheets of labels. Labels may come off the sheets and get stuck to the inside of the printer, causing paper jams. One must remain diligent in making sure that no labels are left behind in the printer.

Sam s club.34820158
9 May 2017

I print a lot with my small business and wanted to upgrade to the workforce ET4550 to save on ink.For the hefty price tag of $449.00 plus tax I am quite disappointed.The first thing I noticed right out of the box is how they have cut corners on the screen size , downgraded to a small window black...

Office depot.34444728
25 April 2017

I've read reviews where they complained about setting the printer up on their network, but I had no such problem. You just can't beat this printer when considering that you'll NEVER have to purchase a printer cartridge again.

9 February 2017

The printer functions okay.+ Print quality is good when the print heads are clean.+ colors look nice and it comes close to photo quality.+ easy set up and in ink fill+ Epson staff was helpful in resolving print quality/print head cleaning issue-- Sometimes there is a LONG PRINT DELAY between...

18 October 2016

I was drawn to this printer because I was tired of replacing toner cartridges and ink jet cartridges. Cartridges are environmentally nasty, expensive, and no longer necessary!

19 August 2016

Really like the printer, but it requires me to re-input the WiFi password every single time I want to print. It is a long alpha-numeric password and takes ages to type in. Please store the password long term or let us input it on the computer platform instead of doing the old fashioned Nokia type...

22 April 2017

Best printer I have ever owned, hands down. Easy set up. Great wireless. Great copying.

3 June 2016

The print head alignment is a constant nuisance. Even after multiple print head adjustments I still get streaks and gaps. I would not use it to print photographs. The user interface is also very limited - many sub-menus. It's fine if you're printing letters.

2 weeks ago

I purchased this for my home, and must say, that it was easy to set up, with no mess. The ink levels are hardly dropping, despite my best efforts to test it! Print quality is very good. The only thing I would say, is that the printers own small screen, could do with enlarging.

2 weeks ago


Product Highlights
  • EcoTank Refillable Ink Tank System
  • Print, Scan, Copy, Fax
  • Print Resolution: 4800 x 1200 dpi
  • Max Print Size: 8.5 x 47.2"
  • Print Speed: 13 ppm Black/7.3 ppm Color
  • Automatic Duplex Printing
  • Scan Resolution: 1200 x 2400 dpi
  • Flatbed Scan Area: 8.5 x 11.7"
  • Yield: 11,000 Black/8,500 Color Pages
  • USB 2.0, Ethernet, & Wi-Fi Connectivity
Average Expert Score
Average User Score
In The Box
  • Epson WorkForce ET-4550 EcoTank All-in-One Inkjet Printer
  • T664 Cyan Ink Bottle (70mL)
  • T664 Magenta Ink Bottle (70mL)
  • T664 Yellow Ink Bottle (70mL)
  • 2 x T774 Black Ink Bottle (140mL)
  • Power Cord
  • Setup CD-ROM
  • Limited 2-Year Warranty
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