Epson printer supplies
Epson WorkForce ET-4550 ink bottles
Shop compatible replacement ink bottles for Epson WorkForce ET-4550, including Epson 664, Epson 774, Epson T664120 (T664420, T774120, T664120, T664220, T664320, 664). Compare prices, yield, color, and pack size before you buy.
Exact printer model
Compatible supplies for Epson WorkForce ET-4550
This printer uses Epson 664, Epson 774, Epson T664120 (T664420, T774120, T664120, T664220, T664320, 664). Use the listings below to choose the color, yield, or multi-pack that fits your print volume.
Most shoppers begin with Epson 664 Yellow Ink Bottle, then compare price, page yield, and replacement OEM number.
Exact printer modelCartridge-number matchingIndependent compatibility info
Compatible products
Compatible ink bottles for Epson WorkForce ET-4550
Compatible products with prices, cartridge numbers, OEM replacement numbers, and printer model details.
ink bottle · blackInStock
Epson 774 Ink Refill Bottle - T774120 Black - Ultra High Yield
Replaces T774120
$8.95View
6000 yield
Cartridge map
Epson WorkForce ET-4550 cartridge details
Epson WorkForce ET-4550 has 7 compatible product listings across 2 cartridge families, including Epson 664, Epson 774, Epson T664120. Available color options on this page include yellow, black, cyan, magenta. Replacement numbers shown on this page include T664420, T774120, T664120, T664220, T664320, 664.
ProductColorReplacesYieldFrom
Same series
Other Epson WorkForce printers
Use these links when your model number is close, but not exactly Epson WorkForce ET-4550.
Buying guide
How to buy Epson WorkForce ET-4550 compatible cartridges
Start by confirming the full printer model, including any letters at the end of the model number. Then compare Epson 664, Epson 774, Epson T664120 (T664420, T774120, T664120, T664220, T664320, 664) by color, page yield, and pack size.
Single cartridges work when you only need one color. Multi-packs can be a better value when you print often or need a full color set.
Compatibility notes
Independent replacement supplies for Epson printers
InkToYou is not affiliated with Epson. Product and printer names are used only to identify compatible replacement supplies.
Before checkout, compare the product page cartridge number, replacement OEM number, color, and compatible printer models against your printer.
Before checkout
Confirm the exact model name on your printer
Epson WorkForce ET-4550 supplies, including Epson 664, Epson 774, Epson T664120 (T664420, T774120, T664120, T664220, T664320, 664), are listed for shoppers who already know their printer model. Match the full model name on the front panel, printer settings screen, or manufacturer label before ordering.
InkToYou is an independent guide for replacement supplies. Brand names are used only to describe compatibility.
For manufacturer manuals, drivers, firmware, and troubleshooting, use Epson official support and look up Epson WorkForce ET-4550.
FAQ
Epson WorkForce ET-4550 ink bottles questions
What ink bottles work with Epson WorkForce ET-4550?
Epson WorkForce ET-4550 works with Epson 664, Epson 774, Epson T664120 (T664420, T774120, T664120, T664220, T664320, 664). Match your exact printer model and cartridge number before ordering.
Are these Epson OEM cartridges?
No. InkToYou lists independent compatible replacement supplies. Epson brand names are used only to describe printer compatibility.
How do I confirm my Epson WorkForce ET-4550 printer model?
Check the model name on the front panel, printer settings screen, original box, or manufacturer label. Small suffix differences can matter.
What should I compare before ordering Epson WorkForce ET-4550 cartridges?
Compare Epson 664, Epson 774, Epson T664120 (T664420, T774120, T664120, T664220, T664320, 664) by color, page yield, pack size, cartridge number, and replacement OEM number against your current cartridge or printer documentation.