***Always read the Epson printer user guide or contact Epson for tech support on any Epson product or software.***
Users of the new Epson printers such as the 7890, 7900 and 7700 and I'm sure other new similar models with a vertical line running down the side of the films.
There is a new setting on the printer that is creating this. Not sure what the feature is for but it's certainly not needed by a screen printer.
Using the Menu button on the printer enter into the Printer Setup section
Locate the section called "Page Line".
Turn the feature OFF.
See your Epson user guide for more about his feature.
Any document, pdf or link mentioned in this article can be located in the Resources.
Need help from a technician? Select the "Submit a request" option on the top right of the web page.
Assistance from a technician is available Monday-Friday, 9 am to 6 pm EST.