A: You are not in Service Mode correctly, or the USB cable is loose, or antivirus is blocking the driver.
The Adjustment Program (also known as a service utility or resetter) is an official Epson diagnostic tool intended for authorized service centers. It allows technicians to: Epson L15150 Adjustment Program--------
| Feature | Function | |---------|----------| | | Resets the main and sub waste ink counters (Main pad count and Borderless pad count). | | Initial Fill | Forces a full ink charge into the system (used after replacing a printhead or maintenance tank). | | Printhead Cleaning | Performs powerful cleaning cycles not available in the standard driver. | | Nozzle Check Pattern | Prints a test pattern independent of the OS driver. | | Bi-D Adjustment | Corrects vertical misalignment for crisp text and lines. | | PF Adjustment | Adjusts paper feed accuracy to fix banding. | | Scanner Calibration | Re-calibrates the CIS scanner for accurate copies (L15150 is an all-in-one). | | EEPROM Dump | Saves a full backup of the printer’s internal memory. | | Manufacturing Mode | Advanced settings for service professionals. | A: You are not in Service Mode correctly,