The student exchanges the color ink cartridge.
text: Please remove the color.
text: To remove it.
text: Please place your index finger between the two spots on the top of the cartridge and firmly push it down.
text: Thank you.
text: Thank you.
text: Please firmly push the ink cartridge forward and a bit upwards.
text: Thank you.
text: Please firmly push the ink cartridge forward and a bit upwards.