biz 250

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  • Gab
    Senior Tech
    • Aug 2015
    • 598
    #1

    biz 250

    Machine shows M4.
    Can i replace only drum and not developer at this point?
    If i can , i reset IU only PC life ?
    I will replace developer later .
    Tags: developer, life, point, replace, reset
    • copyman
      Owner / Technician
      Site Contributor
      2,500+ Posts
      • Sep 2005
      • 3953
      #2
      Re: biz 250

      They have to be done together. Then run F8. If you try and replace just drum you will get the dreaded 2557 code. There are a lot of posts on this forum about this.

        Comment

        • laitang
          Senior Tech
          500+ Posts
          • Nov 2012
          • 627
          #3
          Re: biz 250

          You can if use toner not genuine.
          You can change copy kit counter to "mode 1" and M4 disappear!

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