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  1. #81
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    cp3525 with 59.f0 error


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    Re: cp3525 with 59.f0 error

    I replaced the whole assembly.

    Here's another head scratcher. Had a 59.F0 on a 4525. Removed the ITB and carts and manually rotated the ITB drive coupler (that you can see on the fuser drive assembly) and the error went away and hasn't returned. Has been about two months. Go figure.

  2. #82
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    Re: cp3525 with 59.f0 error

    Can't seem to find the part number for Primary transfer roller disengagement solenoid.
    Can someone supply it?

  3. #83
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    Re: cp3525 with 59.f0 error

    Hello,

    My Laserjet CP3525 displayed the 59.F0 error a few weeks back. After googling I found this thread and while not a professional printer tech, I gave it a go. As soon as I got the solenoid out, I knew it wasn't the problem. It did not stick when tested but I went ahead and removed the pad and applied a replacement. The good news is I got the printer back together. Bad news is I still have the error. Very clear grinding noise when the printer goes through initialization.

    YouTube

    Apologies for the poor video in the beginning, wanted to ensure the grinding noise was picked up by my phone. Any suggestions as to what the issue is? Transfer belt turns when I move the big gear and something inside does it's thing when I move the small white thing but unsure how to further test. Transfer belts aren't cheap enough to buy to see if that fixes the error.

    I have about 12 toners for this printer so I was hoping to fix it. Printer has less than 25k total pages printed on it. Drive unit repair looks to be outside my skillset due to alignment and the recommendation to follow the service guide exactly which is something I do not have access to. I figured I'd post here and get an opinion before I recycle the printer.

    Thanks.
    Last edited by nathanielh; 10-27-2019 at 01:59 AM.

  4. #84
    Service Manager 10,000+ Posts
    cp3525 with 59.f0 error

    Phil B.'s Avatar
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    Re: cp3525 with 59.f0 error

    Quote Originally Posted by nathanielh View Post
    Hello,

    My Laserjet CP3525 displayed the 59.F0 error a few weeks back. After googling I found this thread and while not a professional printer tech, I gave it a go. As soon as I got the solenoid out, I knew it wasn't the problem. It did not stick when tested but I went ahead and removed the pad and applied a replacement. The good news is I got the printer back together. Bad news is I still have the error. Very clear grinding noise when the printer goes through initialization.

    YouTube

    Apologies for the poor video in the beginning, wanted to ensure the grinding noise was picked up by my phone. Any suggestions as to what the issue is? Transfer belt turns when I move the big gear and something inside does it's thing when I move the small white thing but unsure how to further test. Transfer belts aren't cheap enough to buy to see if that fixes the error.

    I have about 12 toners for this printer so I was hoping to fix it. Printer has less than 25k total pages printed on it. Drive unit repair looks to be outside my skillset due to alignment and the recommendation to follow the service guide exactly which is something I do not have access to. I figured I'd post here and get an opinion before I recycle the printer.

    Thanks.

    yu really need to focus on the display for us.. make sure you turn off lights ( enough on display)

    the thumping is from toners itb belt moving up n down during init

    the gear grind/skip sounds like feed/fuser

    how long since maintenance cycle performed?
    total pages on unit?
    Genuine OEM Supplies?
    have you messed with anything other than ITB?
    did you clean the plate and frame of solenoid ?


    so many questions so little info

  5. #85
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    Re: cp3525 with 59.f0 error

    Quote Originally Posted by Phil B. View Post
    yu really need to focus on the display for us.. make sure you turn off lights ( enough on display)

    the thumping is from toners itb belt moving up n down during init

    the gear grind/skip sounds like feed/fuser

    how long since maintenance cycle performed?
    total pages on unit?
    Genuine OEM Supplies?
    have you messed with anything other than ITB?
    did you clean the plate and frame of solenoid ?


    so many questions so little info
    Thanks for your reply.

    Here's a video of the display. It's hard to capture well but nothing notable outside the error. YouTube

    The thumping sound always happened. It's the buzzing sound that is new if I recall. I didn't power cycle this often, it usually was left on in standby.
    Maintenance cycle? Never that I am aware of. I've had it a year.
    4k black, 18k color
    yes, genuine supplies that I have a stack of :/
    I took out cyan toner, and did the test earlier in the thread to see if the white gear turns. It does.
    I pulled the item above the ITB out and reseated it.
    Yes, I cleaned both the plate and frame of the solenoid.

  6. #86
    Service Manager 1,000+ Posts theengel's Avatar
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    Re: cp3525 with 59.f0 error

    Forget about the solenoid and replace the whole fuser drive assembly. There could be any number of things in there causing it. And they're not all that expensive.

  7. #87
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    Re: cp3525 with 59.f0 error

    Quote Originally Posted by theengel View Post
    Forget about the solenoid and replace the whole fuser drive assembly. There could be any number of things in there causing it. And they're not all that expensive.
    This blog suggests replacing it is likely outside the ability of amateur repair. HP CP3525 - 59.F0 Part 2

    The big part of the job is taking off (and realigning) the main drive assembly. HUGE headache.
    I haven't found anything that explains what that process it. The only (English) video I found was the one I used to take it apart to replace the solenoid.

    I wish I had a spare transfer belt to swap in to rule that out. Any suggestions on testing the TB? If I turn the big gear, the belt moves. If I turn the little white thing, some stuff happens inside but unsure what is supposed to happen.

  8. #88
    Field Supervisor 500+ Posts
    cp3525 with 59.f0 error


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    Re: cp3525 with 59.f0 error

    Everything needed by a professional tech is in the service manual, including how to re-time the main drive.


    If your not a professional tech, do not attempt. It's not an amateur job.

  9. #89
    Service Manager 1,000+ Posts theengel's Avatar
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    Re: cp3525 with 59.f0 error

    Quote Originally Posted by Lance15 View Post
    Everything needed by a professional tech is in the service manual, including how to re-time the main drive.


    If your not a professional tech, do not attempt. It's not an amateur job.
    ditto that

    If you can't find it in the manual, you shouldn't do it.

  10. #90
    Service Manager 1,000+ Posts theengel's Avatar
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    Re: cp3525 with 59.f0 error

    It's actually not THAT big of a deal. Aligning the gears is explained in the manual. The bigger headache is wiggling the main drive into place again without losing the timing you just set.

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