| Error Code | Cause | Solution | | :--- | :--- | :--- | | | Printer was not found on the selected port. | Re-select "Select," specify the exact USB port (not auto), unplug and re-plug the USB cord. | | Unknown Exception | The program cannot access the printer due to permissions or security software. | Run AdjProg.exe as Administrator. Temporarily disable Windows Defender or other antivirus software. | | CRC Checksum Error | The extracted file is corrupted or the date/time settings are incorrect. | Re-extract the ZIP folder. Ensure your computer's system date is set to a date within the program's license validity period (if using a trial). | | Missing DLL File | Windows compatibility issue. | Right-click AdjProg.exe > Properties > Compatibility > Check "Run this program in compatibility mode for Windows 7 or XP" . | | Hardware ID / License Required | The software copy is locked. | You need to generate a key. Copy the Hardware ID from the AdjProg window, paste it into a keygen tool provided with the download, copy the generated key, and paste it back into AdjProg. |

Epson L3150 Adjustment Program (often called a "Resetter") is a specialized utility used primarily to reset the Waste Ink Pad Counter

: Run AdjProg.exe and click Select . Choose the "L3150" model and manually select the correct USB port if it is not automatically detected.

Many heavy users cut the internal tube leading to the waste pads and route it outside the printer body into a small plastic bottle. This completely eliminates the need to ever change internal pads again. Safety Tips and Troubleshooting

The Adjustment Program is a proprietary software utility used by service technicians and end-users to diagnose, maintain, and reset internal configurations of the Epson L3150 printer.