Epson Stylus Office BX305FW Plus Firmware Issue

First reported on r/printers on June 26, 2026.

Users are experiencing issues with their Epson Stylus Office BX305FW Plus printers after a recent firmware update. The problem is likely caused by a compatibility issue with reusable cartridges. Try downgrading the firmware or contacting Epson support for assistance.

What it looks like

  • Printer not recognizing reusable cartridges

How to fix it

  1. Visit the Epson website to check for any firmware updates for your printer.
  2. Follow the instructions to downgrade your printer's firmware to a previous version.
  3. Contact Epson support for assistance with the downgrade process.
  4. Restart your printer after downgrading the firmware.
  5. Check if your printer recognizes reusable cartridges after the downgrade.

Affected products

  • Epson Stylus Office BX305FW Plus

Sources

Search terms covered: epson stylus office bx305fw plus firmware issue, printer not recognizing reusable cartridges