XEROX 7755

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  • bmt_hr
    Trusted Tech
    • Mar 2011
    • 128

    #1

    XEROX 7755

    Hi

    I have problem with yellow color. Look on the picture (in circle). The yellow passer is not on the right position.
    On every picture yellow is around 1 mm on some side moved.... Where can be a problem?

    br
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  • InterfaceP
    Trusted Tech

    250+ Posts
    • Jun 2013
    • 488

    #2
    Re: XEROX 7755

    Under test patterns run a #1 full color. This will show you how off it is.

    Several things could be causing this, a faulty MOB sensor or a bad drum among others.

    I typically take off the left side panel along with Tray 5. so I can see the IBT belt running as you run the following tests:

    Registration Control Setup cycle
    Registration Control Sensor Check Cycle
    Registration Measurement Cycle

    If the chevrons are damaged the MOB sensor will not properly register them, also check the MOB for broken shutters.

    If on any of the tests you get a NG something is off.

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