HP T3304 - Manual (Page 29)

removing the ribbon
21 Operator’s Guide
3
Cut the ribbon anywhere between the
take-up hub and the printhead.
4
Rotate the printhead latch
counterclockwise to raise the printhead,
and then lower the hinge plate.
5
While holding the ribbon take-up hub,
rotate the J-hook clockwise to unlatch it.
Ribbon Supply Roll
Take-Up Hub
J-Hook
Supply Hub
Printhead
CUT