ML 490 and 491 Printhead
OKI offers the Replacement Printhead for the Microline dot matrix printers. This user-replaceable printhead has an average lifetime of 200 million characters in utility mode at normal 25% duty and 35% page density.
Specifications:
-Features: 24 pins.
-Yield: Up to 400 million characters.
-Compatibility: Oki Microline ML 490 and ML 491. Genuine Oki Data - NOT clone.