Epson 4500 - Manual (Page 77)

Printing on Special Paper
You load labels the same way that you load continuous paper except
that the paper thickness lever must be adjusted for printing labels. See
the section on loading continuous paper earlier in this chapter. For the
correct paper thickness setting, see the table on page
2-26.
WARNING:
Never feed labels backward through the printer.
Labels can easily peel off the backing and jam the printer.
Therefore, never use the LOAD/EJECT button to eject labels.
Also, never use the short tear-off function with labels. (Be
sure to set DIP switch 2-2 to off .) If a label does become
stuck in the printer, call the Epson toll-free number
(1-800-922-8911) for assistance.
Since labels are especially sensitive to temperature and
humidity, always use them under normal operating
conditions. Don’t leave labels loaded in the printer between
jobs; they curl around the platen and may jam when you
resume printing.
Paper Handling 2-29