3.Slide ribbon cartridge along until it is centered on platen, being careful not to touch printhead.

Center printhead

Swing front end up to remove

Plastic shield facing platen

4.Swing front-end of cartridge up off printhead, then lift cartridge out and discard it.

5.Remove new ribbon cartridge from its packaging — do NOT remove clear plastic ribbon shield!

6.Hold ribbon cartridge with knob fac- ing up and exposed portion of ribbon facing platen. Place flat end on ribbon plate, fitting grooves over pins on plate.

ML720/721 Printer Handbook

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