C903 C904

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  • Pocavon
    Technician
    • Mar 2016
    • 30

    #1

    [Error Code] C903 C904

    Does anyone have a good routine for replacing the DF Cable when dealing with C903's and C904's
  • Synthohol
    Certified Konica Expert

    Site Contributor
    5,000+ Posts
    • Mar 2016
    • 5891

    #2
    Re: C903 C904

    what machine?
    We know a thing or two because we've seen a thing or two.
    The medication helps though...

    Comment

    • Pocavon
      Technician
      • Mar 2016
      • 30

      #3
      Re: C903 C904

      Originally posted by Synthohol
      what machine?
      Sorry C9403 and C9404 Trouble codes Model C654

      Comment

      • Synthohol
        Certified Konica Expert

        Site Contributor
        5,000+ Posts
        • Mar 2016
        • 5891

        #4
        Re: C903 C904

        ok, DF701.
        i have split the feeder and if you take out the c clip from the CIS it will drop down far enough to get the HDMI cable out and the new one in then put the 2 halves back together.
        took me about 90 minutes hemming and hawing along the way until i figured out to drop one side of the CIS that was blocking the connector.
        putting it back in with the spring and the c clip is fun, enjoy that
        We know a thing or two because we've seen a thing or two.
        The medication helps though...

        Comment

        • EarthKmTech
          Step aside, noob

          1,000+ Posts
          • May 2009
          • 2139

          #5
          Re: C903 C904

          Originally posted by Synthohol
          ok, DF701.
          i have split the feeder and if you take out the c clip from the CIS it will drop down far enough to get the HDMI cable out and the new one in then put the 2 halves back together.
          took me about 90 minutes hemming and hawing along the way until i figured out to drop one side of the CIS that was blocking the connector.
          putting it back in with the spring and the c clip is fun, enjoy that
          It's not a DF701 on the C654.

          However, I'll give you some free advice, you're doing it the hard way regarding lowering the CIS - just remove the screws from the front bracket under the front cover and remove the 2 screws from the rear bracket at the rear of the document feeder. All 4 are easy to access and no messing around with springs and jesus clips required, especially when the rear motor is removed. I've done so many of these I'm in and out in 15 - 20 minutes.

          As for the original posters question, its not much different on the C654 one main difference off the top of my head is you have to remove a plate above the CIS, it has a drive roller and clip at the rear for removal. It's not hard, just follow your nose.

          There is a belt that needs to be disturbed, pay attention to its routing.

          Comment

          • Pocavon
            Technician
            • Mar 2016
            • 30

            #6
            Re: C903 C904

            Originally posted by Synthohol
            ok, DF701.
            i have split the feeder and if you take out the c clip from the CIS it will drop down far enough to get the HDMI cable out and the new one in then put the 2 halves back together.
            took me about 90 minutes hemming and hawing along the way until i figured out to drop one side of the CIS that was blocking the connector.
            putting it back in with the spring and the c clip is fun, enjoy that
            Thanks , I couldn't find a procedure in the Documentation. I ve done it once but it was very difficult and time-consuming

            Comment

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