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Verified compatibility answer

Which ink bottles does Epson ET-4850 use?

Epson specifies T502 replacement ink bottles for EcoTank ET-4850. Checking the bottle family against the exact printer is more reliable than assuming all nearby ET-48xx models share consumables.

Specification answerVerified 2026-08-11

Why this answer matters

Closely named printer models can use different consumable families. DeviceOK records the exact relation so the compatibility answer is separate from a generic EcoTank guide.

1 requirements3 verification steps1 primary source

Requirements

What has to be true

  • Epson T502 ink bottle family for the ET-4850.

Verify it yourself

Use this test sequence

Change one variable at a time so you know which requirement made the difference.

  1. 1

    Confirm ET-4850 on the device label/menu.

  2. 2

    Match the bottle family before refill.

  3. 3

    Retest color/fine lines after a correct refill if print output is still poor.

Limits

What this answer does not prove

  • Yield depends on documents, cleaning cycles and usage.

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Continue with the exact device

Epson EcoTank ET-4850 →