To use a downloaded Adjustment Program zip file , follow these steps as described by community guides: HOW TO RESET EPSON L3250 | SERVICE REQUIRED
| Error | Solution | |-------|----------| | “Communication error” | Printer not in Service Mode. Repeat the button sequence. | | “Model mismatch” | Download a newer version of the adjustment program. | | “Check sum error” | Corrupted zip file – re-download from a different source. | | Printer still shows error after reset | The waste ink pad is physically full. Remove, rinse, dry, and reinstall before resetting. | To use a downloaded Adjustment Program zip file
Specific button presses can sometimes clear errors on certain firmware. How to Use the Adjustment Program (Typical Steps) To use a downloaded Adjustment Program zip file