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  1. #1
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    Color laserjet pro MFP M477 59.F0 error

    Hi. I've had two of these in 1 week, error 59.F0 (I.T.B. Alienation contact error)

    I get the same error without any toner carts in.
    I know the cp3525 had this error which normally turned out to be a sticky solenoid on the fuser drive assy. This is a completely different engine and probably too new for sticky solenoids.
    These machines are virtually throw away, but i'd like to get to the bottom of this error, 'cos I reckon we are going to get quite a few more of these with the same error.

    Anyone had any luck fixing this error?


  2. #2
    Service Manager 2,500+ Posts
    Color laserjet pro MFP M477  59.F0 error

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    Re: Color laserjet pro MFP M477 59.F0 error

    Quote Originally Posted by Ginbolero View Post
    Hi. I've had two of these in 1 week, error 59.F0 (I.T.B. Alienation contact error)

    I get the same error without any toner carts in.
    I know the cp3525 had this error which normally turned out to be a sticky solenoid on the fuser drive assy. This is a completely different engine and probably too new for sticky solenoids.
    These machines are virtually throw away, but i'd like to get to the bottom of this error, 'cos I reckon we are going to get quite a few more of these with the same error.

    Anyone had any luck fixing this error?
    did you run the Alienation Test? pass or fail?

    what is the page count on the ITB?

    what have you done to it so far?

    have you tried swapping ITB's?


  3. #3
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    Re: Color laserjet pro MFP M477 59.F0 error

    Latest CPMD recommends replacing the ITB. RM2-6454-000CN


  4. #4
    Service Manager 2,500+ Posts
    Color laserjet pro MFP M477  59.F0 error

    Phil B.'s Avatar
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    Re: Color laserjet pro MFP M477 59.F0 error

    Quote Originally Posted by Lance15 View Post
    Latest CPMD recommends replacing the ITB. RM2-6454-000CN
    Hey Lance15,

    those are pretty pricey .. do you use rebuilds? and if so.. where from? reliability?


  5. #5
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    Re: Color laserjet pro MFP M477 59.F0 error

    Honestly, I've never replaced the ITB in one of these. Probably never will.

    But, on the subject of ITB replacement in general. We always use new OEM's. We don't even bother with refurbed ITBs. Not worth the hassle. We've either got a previous go-ahead and fix whatever is needed regardless of cost, or, we send pricing if they ask.


  6. #6
    Field Supervisor 500+ Posts Zeldaman's Avatar
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    Re: Color laserjet pro MFP M477 59.F0 error

    Hi there!
    This is the info from HP for this problem, published last week (i hate this boxes !!!)
    Greetings...

    Attached Files Attached Files

  7. #7
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    Re: Color laserjet pro MFP M477 59.F0 error

    Uhhhhhhhhhhhhhh, yeah........that'll work. *rolling eyes*


  8. #8
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    Re: Color laserjet pro MFP M477 59.F0 error

    did you run the Alienation Test? pass or fail?

    what is the page count on the ITB?

    what have you done to it so far?

    have you tried swapping ITB's?
    1) Can't find alienation test on this model
    2) This won't print anything and there doesn't seem to be an on screen error log but it's less than a year old and everything looks pretty new.
    3) Not much, thought I'd post on here for some pointers..
    4) ITB'S for these are not much less than a new machine, and it's a long job to change one.


  9. #9
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    Re: Color laserjet pro MFP M477 59.F0 error

    Hi there!
    This is the info from HP for this problem, published last week (i hate this boxes !!!)
    Greetings...
    This isn't going to work, I can't get one page out of it. Not sure what bright spark at HP wrote that

    I'm beginning to hate these boxes too.

    If it's a problem with the ITB, what actually fails on them? The belts themselves look fine.

    Thanks for your help anyway guys.


  10. #10
    Field Supervisor 500+ Posts
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    Re: Color laserjet pro MFP M477 59.F0 error

    Typically the fuser drive assembly. If these even have something like that. I don't think I've come across one of these yet.

    The fuser drive assemblies I've replaced on the 3525's & 4525's seem to be okay too. Even the solenoid LOOKS okay. No sticky pad, pad doesn't look to squashed, etc. I'm wondering if the solenoid just went bad.

    I think on this model, it must be part of the main drive? There is a developing motor on the right side, but, I don't see any gear clusters on that side of the printer that it would drive in the exploded parts view.


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