Apple Color StyleWriter 2500 - Manual (Page 8)

2 Raise the bright blue lever on the carrier.
3 Remove the cover from the plastic tub that contains the ink cartridge.
These instructions show the four-color cartridge being installed, but the
process is the same for either cartridge. (You can buy a high-performance
black ink cartridge in addition to the color cartridge.)
4 Grasp the ink cartridge by its sides and remove it from the plastic tub.
You may safely touch the black plastic, but be careful not to touch any other
part.
5 Remove the bright orange cap from the cartridge’s print head.
After you snap it off,
dispose of the cap.
Carrier
8 Chapter 1