No image while making black copy

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  • romel85
    • Jun 2025

    #1

    [Misc] No image while making black copy

    Good day! i'm having a problem with my Canon ir c5870 ( refurbish ) . when making a copy B/W,there is no image on the output. I tried several times still no copy. Developing assembly new clean still no output
    Does Someone help me.....ASAP
    Thanks...
  • canonbundy
    Senior Tech

    500+ Posts
    • Jun 2012
    • 607

    #2
    Re: No image while making black copy

    Originally posted by romel85
    Good day! i'm having a problem with my Canon ir c5870 ( refurbish ) . when making a copy B/W,there is no image on the output. I tried several times still no copy. Developing assembly new clean still no output
    Does Someone help me.....ASAP
    Thanks...
    Hi Romel85, IF this is a NEW BLACK DEVELOPING UNIT you may need to initialise in SRV MODE.

    2.2.17
    Supplying BlackToner 0002-6727
    1) Check to see that the warm-up period is over (i.e.,Keep paper in the machine so that the control panelwill indicate the message "Ready to Copy").2) Execute the following service mode item to supplyblack toner: FUNCTION>INSTALL>TONER-S (10min avr; 13 min max.).While this service mode item is under way, acountdown is made on the control panel; at the end,
    'OK!' is indicated.

    Comment

    • charm5496
      Service Manager

      Site Contributor
      1,000+ Posts
      • Apr 2008
      • 2387

      #3
      Re: No image while making black copy

      I am thinking that we had issues with a connector on the developer unit at one point in time. I would check those connectors on that unit once again.
      Accidents don't just happen. They must be carelessly planned.

      Comment

      • teckat
        Field Supervisor

        Site Contributor
        10,000+ Posts
        • Jan 2010
        • 16083

        #4
        Re: No image while making black copy

        Originally posted by romel85
        Good day! i'm having a problem with my Canon ir c5870 ( refurbish ) . when making a copy B/W,there is no image on the output. I tried several times still no copy. Developing assembly new clean still no output
        Does Someone help me.....ASAP
        Thanks...
        -------------------------
        when making a copy B/W,there is no image on the output
        So Color Copies are OK ??????????????

        TestM25 ( Black toner supply motor ) under Part Check
        Do this only once it may back up on you.
        Be careful when checking/& installing the 3 pin toner sensor (TS1) connector J209L of the black developer unit.
        Check Ohms if needed on both sides of the connector J209DH as a poor connection can cause this problem. NO BLACK



        Any developer or hvt related error codes in history

        Solid Black with No Blank (White Boarder) edge

        SD BLK.JPG

        Or Solid Black with a White Boarder Edge

        BLK.JPG

        Or TOTAL WHITE/ No Image at All

        WHT.JPG

        Blank Copies

        Check to see if the primary transfer roller is locked in place with a screw.
        Last edited by teckat; 10-17-2013, 01:56 AM.
        **Knowledge is time consuming, exhausting and costly for a trained Tech.**

        Comment

        • northernlife
          Senior Tech

          500+ Posts
          • Sep 2011
          • 847

          #5
          Re: No image while making black copy

          oddly enough the first time we got a 5870 I struggled with that stupid lever too. Figured it out and cried.

          Comment

          • charm5496
            Service Manager

            Site Contributor
            1,000+ Posts
            • Apr 2008
            • 2387

            #6
            Re: No image while making black copy

            if color copies are good and black copies are blank then I would have to think it is somewhere in the AP unit dealing with black developer unit.
            Accidents don't just happen. They must be carelessly planned.

            Comment

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