Turn your printer off and then back on when prompted. The "Service Required" error should now be gone. Important Safety and Hardware Considerations
Locate 'Waste ink pad counter' under the Maintenance section and click OK. Check and Initialize: Click the 'Check' button to see your current usage levels. Check the box for 'Main pad counter' . Click 'Initialization' to reset the counter to zero. epson adjustment program ep804a free fixed download link
Fine-tunes the print head position for professional-grade accuracy. How to Use the Adjustment Program (Step-by-Step) Turn your printer off and then back on when prompted
Understanding the Epson EP-804A Adjustment Program: A Maintenance Guide epson adjustment program ep804a free fixed download link