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  1. #1
    Senior Tech 250+ Posts
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    Bizhub 4050 scanner glass clean

    I got few used 4050 and almost all have dirty scanner glass bottom side.
    Have a quick look at SM and it looks like whole scanner must be removed and still did not find procedure to remove original glass.
    Have somebody done this and what steps should i do to do it most simple way?
    We are going to lease them,what should i expect,dont have expirience with this little things?

  2. #2
    Master Of The Obvious 10,000+ Posts
    Bizhub 4050 scanner glass clean

    blackcat4866's Avatar
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    Re: Bizhub 4050 scanner glass clean

    The short explanation?:

    1) Remove everything.
    2) Remove scanner
    3) Remove DF
    4) Turn scanner upside down and remove a lot of screws.
    5) Curse like a sailor while separating the two halves of the scanner.

    To re-assemble, same steps in reverse.

    (Hint: they make it as difficult as possible.) =^..^=
    If you'd like a serious answer to your request:
    1) demonstrate that you've read the manual
    2) demonstrate that you made some attempt to fix it.
    3) if you're going to ask about jams include the jam code.
    4) if you're going to ask about an error code include the error code.
    5) You are the person onsite. Only you can make observations.

    blackcat: Master Of The Obvious =^..^=

  3. #3
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    Re: Bizhub 4050 scanner glass clean

    I was afraid of answer like this
    I am already cursing in advance
    Damn little things,already dont like this them like 3320,4020...same crap.
    Btw tomorrow have to go to do maintenance kit on 4000p, have 1 mil clicks and surprisingly still working.

  4. #4
    Service Manager 1,000+ Posts
    Bizhub 4050 scanner glass clean


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    Re: Bizhub 4050 scanner glass clean

    Yeah Kon/Min probably looked at these as "throw away" models. By time glass is dirty most people have got rid of them or something else happens to machine and just not worth the repair. And of course if the fuser & expensive consumables all hit at once the end user will see it's cheaper to by a new machine. So this is my theory on why it's so hard to get to optics on the small machines.

    Speaking of a lot of screws.....I've cursed at the Jap's many a time taking a 1,000 screws off covers, etc. This is literally one small way the Jap's are "screwing" us for WWII

  5. #5
    Field Supervisor 500+ Posts Bix's Avatar
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    Re: Bizhub 4050 scanner glass clean

    In the bizhub 4052 you can now remove the glass without flipping but ...
    I had to replace the scanner because a cable broke. I prayed to all the saints because the screen and many covers had to be removed.


    The problem is that both the cables and the covers are very fragile. I had to replace other cables because they were damaged during the repair.

    I hope improvements in disassembly in the iSeries.

  6. #6
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    Re: Bizhub 4050 scanner glass clean

    You need just to remove the feeder and it's cable then you can remove the orignal glass.
    No need to remove the scanner.

  7. #7
    Service Manager 1,000+ Posts tsbservice's Avatar
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    Re: Bizhub 4050 scanner glass clean

    This is design of many many small models of many manufacturers, I guess they wanted scanner as much capsuled as possible.
    Some made it, some not.
    A tree is known by its fruit, a man by his deeds. A good deed is never lost, he who sows courtesy, reaps friendship, and he who plants kindness gathers love.

    Blessed are they who can laugh at themselves, for they shall never cease to be amused.

  8. #8
    RTFM!! 2,500+ Posts allan's Avatar
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    Re: Bizhub 4050 scanner glass clean

    Reminds me of removing a fuser from a Panasonic DP20.
    BTW Konica Minolta did not design that Lexmark POS.
    Whatever

  9. #9
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    Re: Bizhub 4050 scanner glass clean

    Quote Originally Posted by JALAL View Post
    You need just to remove the feeder and it's cable then you can remove the orignal glass.
    No need to remove the scanner.
    Did you try this?
    There must be some screws holding original glass cover and they should be on the bottom side of scanner body i suppose?

  10. #10
    Service Manager 1,000+ Posts
    Bizhub 4050 scanner glass clean


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    Re: Bizhub 4050 scanner glass clean

    I googled the model. It looks like (besides the ops panel) like a Lexmark XM3150. The ADF is garbage but other than that it's been a pretty solid printer. Never been in optics. I guess thankfully.

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