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  1. #1
    Field Supervisor 500+ Posts
    HP LJ 4200 envelope feeder


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    HP LJ 4200 envelope feeder

    I put new feed roller in this envelope feeder and it will feed one envelope with no problems but if you put a stack it won't feed at all. I've clean all the other rollers, one way bearing gears, etc.

    Any ideas appreciated.

    Thanks in advance


  2. #2
    Service Manager 1,000+ Posts theengel's Avatar
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    Re: HP LJ 4200 envelope feeder

    You might go to the shaft that the one way bearing is on and clean it and use sand paper to get it roughed up a little.


  3. #3
    Field Supervisor 500+ Posts
    HP LJ 4200 envelope feeder


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    UPDATE

    Just wanted to update on fix. After scuffing up both shafts where the one way bearings are it still wouldn't pull in envelopes. I remembered that when I replaced the feed rollers I cleaned the one-ways with alcohol. That was a mistake! Turns out the bearings need the grease to grip the shaft. Put grease back in bearings and working great now !!!


  4. #4
    Geek Extraordinaire 2,500+ Posts KenB's Avatar
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    Re: HP LJ 4200 envelope feeder

    One way bearings can be tricky little animals, regardless of brand.

    So, just when is this "old enough to know better" thing supposed to kick in?

  5. #5
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    Re: HP LJ 4200 envelope feeder

    Quote Originally Posted by copyman View Post
    I put new feed roller in this envelope feeder and it will feed one envelope with no problems but if you put a stack it won't feed at all. I've clean all the other rollers, one way bearing gears, etc.

    Any ideas appreciated.

    Thanks in advance
    Just curious, I have some of these same feeders -- what kind of feed rollers were you using as replacements?


  6. #6
    Field Supervisor 500+ Posts
    HP LJ 4200 envelope feeder


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    Re: HP LJ 4200 envelope feeder

    I posted in an earlier thread that after a lot of searching found out the LJ M600/601 envelope feeder "CE399A" uses same rollers & other parts. They do have part #'s for all the parts in the newer feeder. Figured there had to be parts for these older feeders since they are being sold on the internet as " completely refurbished". Hope this helps.






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