Someone gave me a HP Laser Jet 6P, (Black printing only), and I bought a cartridge for tahe thing, which was pretty pricey. I figure I am going to need a refill for the cartridge before too long, but went into Office Depot and couldn't find any. Do they make refills for these things?

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If it doesn't work, kick it. If it breaks, well, what the hell, it didn't work anyway.