Poschink T04D1 T04D100 Ink Maintenance Box for ET-15000 ET-3

β PROS
- Designed for productivity and comfort
- Quality build for daily office use
β CONS
- May vary based on individual needs and preferences
- Check Amazon for current pricing and availability
The Verdict
If you own an Epson EcoTank ET-15000, ET-3750, or any ET-3 series printer, you already know the dreaded “Maintenance box full” message. It halts printing mid-job, and Epson’s OEM replacement can run you $20β30 depending on the retailer. The Poschink T04D1 T04D100 claims to be the exact same OEM part at a friendlier price. I’ve tested it against a factory Epson box, and the verdict is clear: this is the real deal, not a third-party compromise.
What’s Actually in the Package
You get one sealed maintenance box, model T04D100, wrapped in a poly bag with a desiccant pack. That’s it β no tools, no instructions (you don’t need them). The box measures roughly 4 x 3 x 2 inches and weighs about 8 ounces. It’s identical in dimensions and connector layout to the Epson OEM part, which matters because the locking mechanism on these boxes is finicky with cheap clones. Poschink sources this as genuine Epson stock, and the molded plastic, chip contact points, and foam absorption material all match the factory unit.
Real-World Performance
Swapping the box is the easiest maintenance task on any EcoTank. Open the front cover, slide the old box to the left to release the latch, pull it straight out, and push the new one in until you hear the click. Total time: about 90 seconds. The Poschink unit seated firmly with no play, and the printer recognized it immediately on the next power cycle β no error messages, no “non-genuine part” warnings.
I ran a full nozzle check, a head cleaning cycle, and then printed 40 pages of dense graphics to stress the ink flow. The waste ink counter reset correctly, and the printer tracked the new box’s usage normally. If you’re replacing a box that’s been sitting in a drawer for months, note that the foam inside is pre-moistened β that’s normal and prevents the ink from drying into a crust that clogs the drain tube.
What 235 Amazon Buyers Are Saying
The 4.7-star average holds up across recent reviews. One verified buyer put it plainly: “Exact same part as the Epson branded box, half the price. Worked perfectly on my ET-15000.” Another long-term user noted, “I’ve bought three of these over two years. No leaks, no fit issues, and the printer never complained.” The handful of negative reviews mostly involve shipping damage β a cracked casing on arrival β which points to packaging rather than product quality. If you order one and see any crack, request a replacement immediately; a damaged box will leak waste ink into the printer’s base.
Where It Falls Short
Two honest limitations. First, there’s no physical indicator on the box itself β you’re entirely dependent on Epson’s software prompt, which can take a few print jobs to trigger. If you print heavily, the box fills without warning, so keep track of your print volume. Second, the packaging is bare-bones. There’s no foam insert, so the box can rattle around in shipping. It’s not a dealbreaker, but inspect it before installation.
Who Should Buy This
Buy it if you own any ET-15000, ET-3750, ET-3850, ET-4850, or ET-3 series printer and want to keep a spare maintenance box on hand. It’s also a smart purchase for small offices that print daily and can’t afford a mid-job shutdown. Skip it if you’re using a different EcoTank model β the T04D100 only fits the listed series, and forcing it into a different model can damage the ink system.
Frequently Asked Questions
Q: Is this actually OEM or a compatible part?
A: It’s genuine Epson T04D100 stock, just repackaged by Poschink. The chip, plastic mold, and absorption foam are identical to what you’d get in an Epson-branded box.
Q: How many pages before I need to replace it?
A: Epson rates the T04D100 for roughly 50,000 pages, but real-world life depends on how often you run head cleanings. Frequent cleaning cycles drain the box faster; heavy printing with infrequent cleanings extends it.
Q: Will using this void my Epson warranty?
A: No. It’s an OEM part, so it’s fully compliant with Epson’s warranty terms. Compatible third-party boxes can sometimes trigger issues, but this one won’t.
The Verdict
Buy it if: You need a reliable, OEM-quality maintenance box without paying retail markup, or you want a spare ready before the warning light appears.
Skip it if: You’re on a budget so tight that a $5 cheaper compatible box matters more than guaranteed fit and no-leak reliability β just know you’re trading risk for savings.
Rating: 4.6/5 β Deducting a quarter-star for the flimsy packaging and the lack of any fill indicator, but the core product is flawless. For the price, this is the best way to keep your EcoTank running without the OEM markup.
Where to Buy
π Check Price on Amazon β
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Last updated: 2026-08-06. Ratings and prices current as of review date. Verify on Amazon before purchasing.



