The ornamental design for a large formatprinter, as shown and described.
FIG. 1 is a left, front perspective view of a large format printer. The dotted lines represent a netting at the front of the printer. The netting does not form part of the claimed design.
FIG. 2 is a right, front perspective view of the printer of FIG. 1.
FIG. 3 is a front view of the printer of FIG. 1.
FIG. 4 is a left side view of the printer of FIG. 1.
FIG. 5 is a right side view of the printer of FIG. 1; and,
FIG. 6 is a top side view of the printer of FIG. 1.
The rear view and bottom view of the printer of FIG. 1 do not form part of the claimed design.
The broken lines of the large format printer form no part of the claimed design.