Open the program and click Select to choose "L3111" and the specific USB port.
This article explains what this program is, why you need it, and how to use it to get your printer back up and running.
Using this unauthorized software carries substantial physical risks to your machinery and digital hazards to your computer. ⚠️ Critical Risks and Warnings
like printhead ID settings and EEPROM initialization. How to Use the Adjustment Program
