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 user 2005-01-28 at 11:46:00 am Views: 111
  • #9939

    Chip Development Strategies and Their Future Implications

    In 2001 HP launched the first “smart print” cartridge designs in the LaserJet® 4100 and 9000. The heart of the system was a sophisticated custom chip. The chip HP selected for its “smart print” cartridges was at the cutting edge of IC (integrated circuit) chip design. The entire system was contained on this single custom chip and embedded within that chip was the functionality of dozens of discrete analog and digital components. Deceptively simple in appearance, the chip was barely the size of a pencil tip. Furthermore, this chip was non-reusable and non-resettable, which necessitated a replacement aftermarket chip be developed.

    Aftermarket chip suppliers were presented with two basic pathways to develop chip solutions for the new HP chip technology: a printer-dependent design using off-the-shelf electronic components, or comprehensive emulation coupled with custom chip design. These two very different development strategies are still in use today and represent all known aftermarket chips for HP LaserJet toner cartridges currently available in the market.

    The printer-dependent design pathway was an established technology, serving as the basis of the aftermarket chips available during early 2001 — namely, chips for the Optra Se and T applications.