Refillable ink tanks have quietly transformed the home printer market. The Epson EcoTank ET-4850 is the most refined version of that idea yet — a printer that costs more upfront but less than almost anything else to run.
What We Tested
Over six weeks we ran the ET-4850 through 2,400 pages of mixed content: business documents, spreadsheets, school reports, family photos, and envelope printing. We tracked ink consumption against Epson's claimed page yield and measured actual print times against the spec sheet.
Our test unit was purchased at full retail price from a major US retailer. We received no sample unit, no briefing from Epson, and no compensation of any kind for this review.
Print Quality
Text quality is excellent. At 10pt and above, characters are sharp with no noticeable ink spread on standard 20lb copy paper. At 8pt — the minimum we'd recommend for any document that needs to be read — legibility is good but not exceptional.
Photo output surprised us. Skin tones on 4×6 glossy paper were accurate and vibrant. At 8×10, we noticed some banding in large flat colour areas, but this is typical of inkjet printing at this price point and would go unnoticed in most home contexts.
Ink Cost Analysis
This is where the ET-4850 justifies its existence. Epson's 502 ink bottles (used for the initial fill) provide enough ink to print approximately 7,500 black pages or 6,000 colour pages. At current retail pricing, that works out to:
| Type | Cost per Page | vs. Typical Cartridge |
|---|---|---|
| Black (text) | ~$0.013 | 80% cheaper |
| Colour (standard) | ~$0.022 | 65% cheaper |
| Photo (glossy) | ~$0.08 | 40% cheaper |
Speed
Epson claims 15 pages per minute for monochrome and 8 pages per minute for colour. We measured 12.4ppm and 7.1ppm respectively under normal quality settings — about 15% below spec, which is typical for inkjet printers operating at accurate colour calibration.
Setup & App Experience
Initial setup is straightforward but time-consuming. Filling the four tanks for the first time takes about 10 minutes and carries a small risk of ink spill if you're not careful — Epson includes a drip tray for good reason. After that, the Epson Smart Panel app handled wireless configuration cleanly on both iOS and Android in our tests.
Score Breakdown
| Category | Score | |
|---|---|---|
| Print Quality (Text) | 9/10 | |
| Print Quality (Photo) | 8/10 | |
| Running Costs | 10/10 | |
| Speed | 8/10 | |
| Setup & Software | 8.5/10 | |
| Build Quality | 8/10 | |
| Value | 9.5/10 |
Who Should Buy This?
The ET-4850 makes financial sense if you print more than 80 pages per month. Below that threshold, the upfront cost of $349 may take too long to recover. For light users, a lower-cost cartridge printer may be more practical.
It is an excellent choice for: home offices, families with school-aged children, small businesses handling moderate document volumes, and anyone who has grown frustrated with expensive cartridge replacements.
What We Didn't Like
- Initial tank fill is messy and time-consuming
- Bulky footprint — measures 14.8 × 14.9 × 8.4 inches
- No automatic document feeder on the flatbed scanner
- Fax feature feels like an anachronism in 2025
Final Verdict
The Epson EcoTank ET-4850 is our top recommendation for anyone who prints regularly and wants to stop being gouged on ink. It is not perfect — the setup is fiddly and the body is large — but no printer we have tested delivers comparable long-term value at this price tier. Highly recommended.