This occurs if the software cannot locate your printer. Ensure the printer is powered on, the USB cable is securely connected directly to the PC (avoid USB hubs), and that you manually selected the correct USB port in the program's initial configuration step. Is the adjustment program free?
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: Open AdjProg.exe and select the L805 model and the corresponding USB port. This occurs if the software cannot locate your printer
Performs a head cleaning to fill the system with ink. Epson L805 Resetter And Adjustment Program Download Full