
5 Remove the white gear and spools from the ends of the used cardboard cores. Then insert them into the same positions in the new cores.
White Gear
White Spool
6 Install the new ribbon in the cartridge:
1Insert the lower roll into the cartridge holders.
2Slip the upper left cardboard core onto the blue gear of the cartridge and insert the upper roll into the cartridge holders.
Shiny side is face down.
Blue Gear
White Spool