Epson ET-3850 how to run a product check
To find out whether the product itself is working when printing from a computer fails.
Steps
- Disconnect any interface cables connected to the product.
- Load plain paper in the product.
- Select Maintenance > Print Head Nozzle Check, then select Print to print the pattern.
- If the pattern is complete, the product works and the problem lies with the computer, cable, software or settings.
- If the pattern has gaps, clean or align the print head. If the page does not print at all, contact Epson.
Source: Solving Problems: Running a Product Check Source: Solving Problems: Running a Product Check, pp. 220-221
Other ET-3850 procedures
- How to run a nozzle check from the control panelWhen printouts are light or banded, to see whether the print head nozzles are clogged before cleaning.
- How to clean the print head from the control panelWhen the nozzle check pattern has gaps. Cleaning uses ink, so clean only when print quality declines.
- How to run a Power Cleaning from the control panelWhen white or dark lines or missing nozzles remain after cleaning the print head several times.
- How to align the print head from the control panelWhen printouts are grainy or blurry, vertical lines are misaligned, or dark or light horizontal bands appear.
- How to refill the ink tanksWhen the ink level is below the lower line on a tank. Fill the tank to the upper line.
- How to clear a paper jamWhen the LCD screen reports paper jammed in the product.
- How to restore control panel settings to their defaultsWhen a control panel, network, copy or scan setting causes a problem.
Sources
- User's Guide, ET-3850. Epson America, Inc. Document CPD-60203, revision CPD-60203R1, 283 pages, en-US. files.support.epson.com (PDF). Listed on the manufacturer's support page. Retrieved 13 November 2026.
Page numbers are the numbers printed in the manual. Where this page and the manual differ, follow the manual.