FIG. 1 is a front perspective view of a first pen for a printer having a first housing and a first insert.
FIG. 2 is a right side view of the first pen for a printer of FIG. 1.
FIG. 3 is a left side view of the first pen for a printer of FIG. 1.
FIG. 4 is a rear view of the first pen for a printer of FIG. 1.
FIG. 5 is a front view of the first pen for a printer of FIG. 1.
FIG. 6 is a top view of the first pen for a printer of FIG. 1.
FIG. 7 is a bottom view of the first pen for a printer of FIG. 1.
FIG. 8 is a front perspective view of the first insert of the first pen for a printer of FIG. 1 shown without the first housing.
FIG. 9 is a right side view of the first insert of the first pen for a printer of FIG. 8.
FIG. 10 is a left side view of the first insert of the first pen for a printer of FIG. 8.
FIG. 11 is a rear view of the first insert of the first pen for a printer of FIG. 8.
FIG. 12 is a front view of the first insert of the first pen for a printer of FIG. 8.
FIG. 13 is a top view of the first insert of the first pen for a printer of FIG. 8.
FIG. 14 is a bottom view of the first insert of the first pen for a printer of FIG. 8.
FIG. 15 is a front perspective view of a second pen for a printer including a second housing and a second insert.
FIG. 16 is a right side view of the second pen for a printer of FIG. 15.
FIG. 17 is a left side view of the second pen for a printer of FIG. 15.
FIG. 18 is a rear view of the second pen for a printer of FIG. 15.
FIG. 19 is a front view of the second pen for a printer of FIG. 15.
FIG. 20 is a top view of the second pen for a printer of FIG. 15; and,
FIG. 21 is a bottom view of the second pen for a printer of FIG. 15.
The features shown in broken lines are environmental structure and form no part of the claimed design.