I have the same printer Epson WF-7840. I tried everything what tech support told me what to do and no luck.
Please someone figure out this problem and correct it
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My printer is prompted to print this at the top of pages, usually from drawer #2 which is envelopes. I have an Epson WF-4740. The information on line indicates that this is an across the board problem. I have contacted Epson and they say it is a Microsoft problem. To date I have tried every suggested fix but nothing stops it. Extremely frustrating!!!!
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I have the same printer Epson WF-7840. I tried everything what tech support told me what to do and no luck.
Please someone figure out this problem and correct it
I wish that worked for mine. I had tried that several weeks ago and it didn't work on mine. Someone suggested last week to go into the reg edit and perform several deletes. After that, my printer stopped for a few hours then started doing it again and then started doing other weird things like printing upside down on forms, needing to be unplugged to print more than 1 job in a row, etc. so I had to do a total uninstall and reinstall of the printer 2xs to get it back up and running. The person who posted the regedit suggestion did give the warning that it can be "dangerous" and it was for mine. :( I am glad you found a solution, BJ and Chuck and I hope it sticks for your printers! I cannot unplug my USB as my printer doesn't have wireless capability which is the only solution that I have found works. I just unplug the USB when I am not using it so it doesn't print the pages upon waking throughout the day/night and just prints a handful. It is just something you have to remember to do--unplug the USB when not in use.
Thanks BJ! This worked on my Epson WF-4720!
I Found this and it seemed to work, the screen shots are a bit different for my computer but i was able to find the print server properties by going to control panel, hardware and sound, then devices and printers, find your printer logo and when you single click on it, at the top of the folder print server properties will appear, click on that and follow the steps below.
To resolve this issue, turn off the Windows print notifications for local printers:


6. Remove the check from Show informational notifications for local printers.
7. Click Apply → OK.
Since this is a Microsoft-related issue, we recommend that you report the problem to Microsoft to assist them in providing a possible solution.
Alternatively, since these cases affect USB connections to the printers, if your machine is equipped with networking options, disconnect the USB cable and connect the machine wirelessly or by ethernet (if available).
I have had the same problem with my Workforce ET-2650. I unplugged all the cables and started up again as Microsoft told me. Still the same problem after an hour. So I unplugged the USB and now NO CONSTANT PRINTING. I guess the problem with Microsoft is their connection compatibility.