Epson EPL-N2000 User Manual page 23

Note:
Because envelope thickness and surface characteristics vary, test a
sample for print quality and proper feeding before you buy a large
quantity of envelopes.
Labels. Select labels designed specifically for laser printers
or plain paper copiers. Make sure all the labels adhere to and
completely cover the backing sheet so they don't peel off. To
test your labels, press a sheet of plain paper on top of the
label sheet and see if any part sticks. Use the multi-purpose
paper tray to print labels .
Transparencies . Choose transparencies made just for laser
printers or plain paper copiers, and load them only in the
multi-purpose paper tray to print transparencies .
Colored paper. When selecting colored paper, make sure the
paper does not have a clear or colored coating on it .
Handling Paper 1-3