[. . . ] It has a back feed function for retracting the label back to the first print position after cutting. [. . . ] Remove the two screws (10) securing the housing (9) to the base assembly (11), then lift the housing (9) off the base (11). NOTE: Pull the lower front edge of the housing away from the base assembly, then l. Plug the daughter board (not shown) into the JP29 port on the mother board (12). Feed the two leads of the daughter board through the power switch slot on the housing (9). Place the housing (9) back on the base assembly (11) and secure it using the two screws (10). Hold the power switch (8) with the ON position up and insert it into the housing (9). [. . . ] Close the cover, connect the power supply cord, and turn the printer on. [. . . ]