Apple Color StyleWriter 2500 - Manual (Page 7)

Installing the ink cartridge
The ink cartridge contains the print head, which sprays the ink onto the
paper. Treat it gently so you don’t damage its tiny nozzles.
Before you start, make sure the printer is turned on. (The green light glows,
and the yellow light blinks.)
1 Open the printer by pulling down its front cover.
WARNING The carrier holds the ink cartridge and moves it back and
forth when you are printing a document. When the printer is plugged in,
don’t slide the carrier by hand or you may damage the printer.
7 Setting Up Your Printer