Since you are working on an Epson L6490 (an EcoTank model designed for high volume):
If your printer is locked, follow these steps to use a downloaded adjustment utility: Epson L6490: supported functions by WIC Reset Utility epson l6490 adjustment program hot
Epson L6490 Adjustment Program , often referred to as the "Resetter," is a utility used to resolve maintenance errors like "Service Required" when the reaches its limit . Key Uses of the Adjustment Program Since you are working on an Epson L6490
Enables updates to the Printhead ID and adjustment of top margins or bi-directional alignment. The program allows users to: Reset Waste Ink
When an Epson L6490 printer displays a "Service Required" message or indicates that parts are at the end of their service life, it is usually because the internal waste ink counter has reached its maximum . The program allows users to: Reset Waste Ink Counters
If you are tech-savvy, patient, and willing to risk malware, the "hot" adjustment program saves you $200. Use a dedicated offline laptop, scan the file with VirusTotal, and physically check your waste pads before resetting.
Clear the "Service Required" error and get back to printing immediately.