Epson / EcoTank

Epson EcoTank ET-2850
is not printing black.

Epson EcoTank ET-2850 is not printing black? Missing black usually points to a blocked nozzle, an empty or unseated black supply, or a setting that routes black text through the wrong path. On this tank model, check Epson Smart Panel, nozzle checks, and tank ventilation first. Check the exact supply and indicator pattern for this model below.

5–15 minLow-risk first stepsNo signuptank
First pass

Try these in order.

Stop as soon as the printer behaves. Each step removes one likely cause without changing settings you may need later.

What this looks like
  • Black text is blank while color still prints
  • A nozzle check has missing black segments
  • Black areas look gray, streaked, or uneven
  • Epson EcoTank ET-2850 behavior points back to Epson Smart Panel, nozzle checks, and tank ventilation.
  1. 01

    Run a quality or nozzle check

    Print the built-in quality page before cleaning. It shows whether the failure is isolated to black and gives a baseline for the next check. On the Epson EcoTank ET-2850, use Epson Smart Panel or the 1.44-inch color LCD for this check.

    Expected result: The check shows black missing while other colors fire normally.

  2. 02

    Refill the black tank and open the vent

    Top up the black ink tank and confirm its fill-hole vent is open. A sealed vent creates a vacuum that stops black ink flow.

    Expected result: Black ink reaches the printhead and the level reads above empty.

  3. 03

    Run one standard cleaning

    Use one normal printhead cleaning cycle, wait for it to finish, and print the quality check again before trying a deeper routine.

    Expected result: A follow-up quality check shows the black nozzles firing.

Shortcut decision tree

Match your symptom, jump to the right fix.

If: Color prints but black is blank

Then: The black path is isolated. Refill the black tank and run a nozzle check.

If: The black tank is empty

Then: Refill it, then run a single cleaning cycle to clear the air.

If: Black prints but looks gray or faint

Then: Check paper type and draft settings before cleaning the printhead.

Why this happens

Usually one of these.

  • Epson Smart Panel, nozzle checks, and tank ventilation is the model-specific checkpoint to verify first.
  • The black nozzle or printhead has dried ink buildup.
  • The black ink tank ran empty or its vent is still sealed.
  • The driver is using a draft, composite-black, or incorrect paper setting.
Still not fixed?

Move to the deeper fix.

01

Check the paper and driver settings

Choose the correct paper type, turn off draft mode, and confirm the document is not set to color-only or composite-black behavior.

Expected result: Black text prints with the intended density.

02

Use the official deep-clean routine

Follow the manufacturer sequence for deep cleaning or printhead alignment once. Stop if the guide warns that repeated cycles can damage supplies. Use the official Epson support page for the exact Epson EcoTank ET-2850 package before changing firmware or resetting the device.

Expected result: Black output is restored after one deeper cleaning cycle.

Proceed with care
  • Do not keep running cleaning cycles. Start with one and only escalate if there is no change.
  • Only refill with the ink bottle series listed for this model; third-party ink can clog the printhead.
Common questions

Before you reset everything.

Why do colors print but black does not?

Black uses a separate nozzle and ink tank channel. A color page can look normal even when that black path is blocked or empty. On this model, start with Epson Smart Panel and the official support instructions.

Does a sealed tank vent stop black ink?

Yes. If the fill-hole vent is still sealed, a vacuum forms and black ink cannot reach the printhead.

Should I keep running cleaning cycles?

No. Start with one standard cycle and a quality check. If there is no change, use the model-specific deep-clean or service instructions once.

This model at a glance

Epson EcoTank ET-2850 facts that change the fix.

Supplies and parts

Ink bottles
Epson 502 Black, Epson 502 Cyan, Epson 502 Magenta, Epson 502 Yellow
User replaceable
ink bottles

Low-ink on-screen reminder while printing; check the fill lines on the translucent tanks. Ink levels are estimated, not directly measured.

Error codes and lights

E-01

Printer error, possibly a paper jam.

Power-cycle and check for a paper jam; contact Epson if it persists.

E-02

Scanner error.

Power-cycle the printer.

E-11

Waste ink pad needs replacement (not user-replaceable).

Contact Epson support; scanning still works.

W-01

Paper jam.

Remove the jammed paper and press the indicated button.

W-11

Ink pad is nearing end of service life.

Press OK to continue printing; contact Epson.

I-22 / I-23 / I-31

Wireless setup prompts (WPS, PIN entry, or run installer).

Follow the on-screen wireless setup steps.

I-60

The computer does not support WSD for Scan to PC.

Use a Windows 10/8.x/7/Vista system for Scan to PC.

Recovery Mode

A firmware update failed.

Connect via USB and retry the firmware update.

Connectivity and operating systems

Connection
Wi-Fi · USB
Wi-Fi
2.4 GHz only
Control panel
1.44-inch color LCD
Paper trays
Rear paper feed only (no cassette)
Works with
Windows 10, Windows 11, macOS, iOS (AirPrint), Android, Chromebook
Official references

Use the exact model guide.

These links point to the manufacturer resources for this model. Use the manual for panel symbols and the driver page for software or operating-system issues.

Sources checked 2026-08-13.