HP is introducing a manufacture date on its toner cartridges. The change is going in production this month, and we can expect to see it on HP laserjet print cartridge boxes starting late April or early May 2007. The date, formatted YYYYMMDD, will be located in the back of box, next to the manufacturing code. It is not to be confused with the expiration date currently displayed on HP inkjet cartridges. There are currently no expiration dates on HP toner cartridges.
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