hp laserjet mfp m426fdw won't make more than 1 copy at a time

[ogo066]

hp laserjet mfp m426fdw won't make more than 2 copies at a time. When I try to make more than 1 copy (directly from the printer) at a time, a message pops up after the first copy:

Manual feed.

Plain, Letter

Or press [OK] to use available media.

If I press ok, it prints the next copy, but the same message pops up after that. I've had the printer for a couple years and never had this problem. What do I do?

[Repairatrooper]

How is your tray 2 configured. If you have plain paper and letter size it should be set as that. The reason you get this prompt is when the printer does not think it has the correct paper for the copy you are making. On the control panel of the printer, go to the paper menu and make sure tray 2 is set for plain letter and also make sure that your copy settings are not set for manual feed.

[ogo066]

Everything is configured correctly except I'm not sure about the copy settings. How do I make sure the copy settings are not set for manual feed? I don't see that option in the settings.