1
3
2
• Pull off the pen cap.
• Twist off the cartridge holder. Put it to one side for later use.
•
The piston rod may stick out
of your pen. If so,
push it
completely in
until it stops.
Insert an insulin cartridge
2
The piston rod and the piston rod head may be loose and
move on their own. This is natural and does not affect the
function of the pen.
