Epson EPL-N2750 Quick Reference Manual page 15

This message appears when the paper you loaded
differs from the paper size selected in the printer driver's
Basic Settings tab or SelecType. Load the correct paper
size, or change the paper size setting, then open the
Duplex Unit cover and remove any jammed paper.
Close the cover of the Duplex Unit, and the printer
resumes printing.
The Paper Size setting in the printer driver's Basic
Settings tab, or in SelecType, is different from the size of
paper loaded in the printer. Make sure the correct size
of paper is loaded in the printer; then press the
Continue button to clear the message.
The Paper Type setting in the printer driver's Basic
Settings tab, or in SelecType, is different from the type
of paper loaded in the printer. Make sure the correct type
of paper is loaded in the printer; then press the
Continue button to clear the message.
The printer does not have sufficient memory to collate
print jobs. Only one set of copies will be printed. Reduce
the contents of your print jobs or add more memory to
the printer.
Press the Continue button to clear the message.
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