HP Z3100 Belt Replacement Video

In case anyone has the need to do this (you will if you own a similar model long long enough) or are just curious what a major repair looks like - I just finished a video project:

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  1. Hi, Thank you for showing your HP Z3100 belt replacement video tutorial.

    I have just completed the task, however, when I start the printer up, it keeps showing a error code of 86:01 Possible paper jam. This occurs when there is no paper loaded... directly after starting or in some cases directly after I have loaded the paper. The print head assembly stalls at the right hand side, not even coming over the paper area. Each time I have to restart the printer following the paper jam procedure I notice that the printer head assembly is very stiff when I move it and at the left hand side makes a very slight bumpy journey. As a last resort, I pulled off the drive belt from the motor. The motor was free moving. The print head assembly also then moved freely without the bumps. But after sliding it a few times the belt stopped the printer head moving and so I will have to start the whole procedure again.
    Worried that I cannot fix my printer, I called an HP technician. He tells me that my printer service station box (at the far right where the print head assembly parks) is faulty and that I need to replace it. I am questioning here whether this is the cause, as it will cost quite a lot of money for this box. Would you know whether it was this service station box that is causing the print assembly to travel so stiffly and the printer to each time state an 86:01 possible paper jam when it is started?

    Any help would be much appreciated.

    Best wishes,
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