: Resetting the software counter does not physically empty the waste ink pads. If you don't clean or replace the pads, or install an external waste tank, the ink will eventually overflow and cause internal damage.

The Epson Adjustment Program is a specialized service utility used by technicians to perform maintenance tasks that are not available through the standard printer driver. For the , its most critical function is resetting the Waste Ink Pad Counter .

| Error Message | Solution | |---------------|----------| | “Communication error” | Use a USB cable directly. Disable firewall. Try a different USB port. | | “Timeout” | Printer may be in sleep mode. Press power button to wake it. | | “Model not found” | You have the wrong adjustment program version. Find L6490-specific “Top” version. | | “Counter reset failed” | Firmware may have locked the EEPROM. Downgrade firmware (not recommended) or use a newer adjustment program. |