canon ir 2004N error code E744-4000

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  • Peter Sim
    Trusted Tech

    250+ Posts
    • Sep 2008
    • 440

    canon ir 2004N error code E744-4000

    Dear All ,
    Need help.

    canon iR2004N after MCO it show error code E744-4000.Just change Main controller last year.
    setting all correct.
    Firmware update fail when loading DC con.....my firmware version for Main controller is 04.15
    Any idea on the problem....

    Thank you in advance.
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