See section 10 of the manual. You can turn off the receipt mode.
At shipment from the factory, the printer is set to receipt printing. To use the printer for journal printing, use the procedure below. A) Turn the mode key to the "PGM" position. B) Press 10h. C) Finally, press the s key to end printer setting. The printer switches to journal printing. D) To switch back to receipt printing, press -h in step B). Example: To use the printer for journal printing To use background printing, see page 16 in the User's Manual. To stop unexpected long printing, press s key twice to cancel printing