1. Use your finger to wind the ribbon spool on the bottom of the supply cartridge counter-clockwise two full turns in the direction of the arrow.
2. Insert the cartridge into the cartridge cavity with the lock/release knob turned counter-clockwise and the excess material threaded through the exit slot.
3. Turn the lock/release knob clockwise to lock the cartridge into place.
4. Press the FEED button and the K5100 is ready to create a label.
The arrow points to the lock/release knob. It is in a horizontal position, which is the release (unlocked) position.
Notice the small section of white label tape coming out of the printer through the slot on the lower right.
The lock/release knob has been turned clockwise to lock the cartridge into place.