ink level

I have an Epson 1500W connected to my Windows 10 PC over WiFi. It has been working fine until a few weeks ago when I allowed the Windows 10 update from 1703 to 1709 to take place. Having had issues with Windows updates in the past, I had delayed the 1709 update for as long as possible. Since...

I have a noobie question for my Pro-100: How does the printer driver determine the ink level to report Estimated Ink Levels in the Ink Details dialog box under the Maintenance tab? So, I just learned about the prism at the bottom of the cartridge which determines if the reservoir is empty. And...