I have a HP LaserJet 4000N and a 4050 high volume office printer sitting around...both work fine. Will sell pretty cheap. PM if interested.

We also use two of them here at home, both 4000N's....one has the duplexer and one has a double paper tray on it. Both bought for less than $300 over three years ago. One has 389,000 pages on it, the other has 92,000 (REAL steal of a deal, got it on ebay with 48,000 pages on it!!!). They are great printers and from the era when HP made them in California instead of China like they do now. Both are networked here too. (I'm a geek) Only problem so far is that the one with 389,000 needs a new paper tray sensor, but I did some circuit soldering to make it think it always has the tray inserted. Has worked great since.

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