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Quick answer: The ET-2900 listing highlights up to three years of ink in the box and a 7th-generation design. The ET-2850 listing highlights up to two years of ink and automatic two-sided printing, which the ET-2900 highlights do not mention.
This comparison is built from the product listings and manufacturer information on Amazon, not our own testing. Confirm details on the product pages before you buy.
Last updated: October 30, 2026.
At a Glance
| Feature | Epson EcoTank ET-2850 | Epson EcoTank ET-2900 |
|---|---|---|
| Type | Wireless ink tank all-in-one | Wireless ink tank all-in-one |
| Ink in the box (listing) | Up to 2 years | Up to 3 years |
| Page yield claim (listing) | Up to 7,500 black / 6,000 color on replacement ink | Up to 3,600 black / 6,500 color pages in the box |
| Auto two-sided printing | Yes | Not mentioned in the highlights |
| Speed (listing) | Not stated in the highlights | 11 black / 6 color ISO ppm |
| Display and tray | Not stated | 1.44-inch color display, 100-sheet tray |
Key Differences
Included ink
The ET-2900 claims a longer period of included ink, based on the maker’s assumptions.
Duplex
Only the ET-2850 highlights automatic two-sided printing.
Page yields
The yield figures cover different things (in the box versus replacement sets), so do not compare them directly.
Which Should You Choose?
Choose the Epson EcoTank ET-2850 if
you want automatic two-sided printing.
Choose the Epson EcoTank ET-2900 if
you want the largest included ink supply and the newer design.
Frequently Asked Questions
Which is newer?
The ET-2900 listing calls it the 7th generation. Check Epson for the current range.
Do I need the three years of ink?
Only if you print a lot. Included ink assumes a particular monthly volume.
Do both scan and copy?
Yes, both are all-in-ones.
Bottom Line
Choose the ET-2850 for duplex, the ET-2900 for the larger included ink supply. See also ET-2800 vs ET-2850.
