Apple Color StyleWriter Pro - Manual (Page 16)

4 Making sure that the number and the color on the cartridge match the number and the
color on the slot, slide the cartridge in and push it down so it snaps into place.
5 Repeat steps 2 through 4 for the other colors, until all four cartridges are in place.
6 Check one last time to make sure you have installed all four cartridges and that each is
in the right place, as shown in the illustration. Then close the printer cover.
Note: Never remove the cartridges for long periods, because the print head
could be damaged if it is stored without the ink cartridges.
The number on the cartridge
should match the number on the slot.
9 Setting Up Your Printer