color misalignment HP color laser jet CP4005

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  • Tonerspill
    • Jun 2025

    #1

    [CQ] color misalignment HP color laser jet CP4005

    Magenta and Yellow are way off, Cyan and Black are ok. I have calibrated numerous times, have replaced drum units and the Image Transfer Kit. The misregistration sensors on top of the feed unit are clean, the only thing I can think of now are bad sensors or laser trouble. Has anyone else seen this problem?
  • mikon88
    Technician
    • Mar 2011
    • 24

    #2
    Did you clean laser ? All mirrors and polygon motor? Please also check cartridge toner pressure
    I ve got fever: My English isn`t good, so please please forgive me any mistakes.

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    • prntrfxr
      Service Manager

      1,000+ Posts
      • Apr 2008
      • 1627

      #3
      dirty or defective color registration detector sensor. Usually located near or in the top of the transfer belt (HP 4600 has it located under the control panel at the top between the transfer belt and the fuser. I don't remember where it is in this machine. I'll check the manual when I have time later). Blow out sensor and perform 3 full calibrations. If it doesn't go away, replace the sensor (or transfer belt if it is in the belt).
      Life should NOT be a journey to the grave with the intention of arriving safely in an attractive and well-preserved body, but rather to skid in sideways - Coke in one hand - chocolate in the other - body thoroughly used up, totally worn out and screaming "WOO-HOO, what a ride!".

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      • JustManuals
        Field Supervisor

        5,000+ Posts
        • Jan 2006
        • 9838

        #4
        This Parts & Service manual can now be purchased for $12.77 and downloaded immediately after payment from
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        Paul@justmanuals.com

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