How can I replace the cartridge?

You can easily exchange the cartridge by following some steps:

1. Switch off your e-mark
2. Open the top cover and remove the battery
3. Remove the e-mark from the docking station
4. Now open the bottom latch
5. Remove the cartridge
6. Insert the new cartridge (remove foil from print head first)
7. Close bottom latch, put e-mark into docking station, insert the battery and put the top cover on
8. Ready to print!