The student changes the black ink cartridge.
text: On top of tray number one, the top.
text: Mhm.
text: The white part, top.
text: The white.
text: Yes, this one.
text: Open it and then take off the black cartridge.
text: The most to left one.
text: The black cartridge.
text: The round one.
text: Yeah.
text: Pull it out and then change it so well at the table.