Epson TM-U925 User Manual page 32

Note:
Place the caution label, which reminds you how to insert slip paper,
on the printer as shown in the illustration below, if necessary.
CAUTION:
Be sure to put the caution label exactly in the position shown.
If you put it another place, such as over the slip paper inlet,
the printer may be damaged.
2-4 Using the Printer