system error wc7845 after replace cyan developer

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  • ps22sp
    Technician
    Site Contributor
    50+ Posts
    • Aug 2014
    • 79

    system error wc7845 after replace cyan developer

    after replace cyan developer a flat cable socket not connect
    cause the code 392.312.00 392.313.00 392.314.00 system error message
    how to erase error message thanks
    drum and developer motor unit noise ,plastic gear (developer drive gear damage ) and replaced whole motor unit
    on the back blue cable not installed , machine output blank no image on paper,
    plug in blue cable ,, machine run ok ,but cyan developer check ,then in front , one cable not install
    the screen error history 392.312.00 392.313.00 392.314.00
    clear the value in nvm data 752 346 752.347
    Last edited by ps22sp; 03-03-2023, 05:10 PM.
  • ps22sp
    Technician
    Site Contributor
    50+ Posts
    • Aug 2014
    • 79

    #2
    Re: system error wc7845 after replace cyan developer

    Originally posted by ps22sp
    after replace cyan developer a flat cable socket not connect
    cause the code 392.312.00 392.313.00 392.314.00 system error message
    how to erase error message thanks
    drum and developer motor unit noise ,plastic gear (developer drive gear damage ) and replaced whole motor unit
    on the back blue cable not installed , machine output blank no image on paper,
    plug in blue cable ,, machine run ok ,but cyan developer check ,then in front , one cable not install
    the screen error history 392.312.00 392.313.00 392.314.00
    clear the value in nvm data 752 346 752.347
    =====================
    problem solved
    392,312.00 (yellow) 392.313.00 392,314.00 (magenta), 392.315.00 (black)
    enter into service mode change value in nvm
    752 346 (yellow) 752.347 752.348 . 752.349 (black) are normal according black data in nvm
    change value in nvm color 1 to 0
    machine test OK

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