Canon MF6550 contact spring unit question

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  • axyun
    Service Manager

    Site Contributor
    1,000+ Posts
    • Aug 2007
    • 1323

    #1

    Canon MF6550 contact spring unit question

    I was trying to reform upper spring on spring unit which is on right side of cartridge and
    the springs in this unit make contact with small metal plates on cartridge. I bent the upper one
    out of shape and am waiting for a back ordered spring. The parts list showed separate part
    numbers for each spring and for spring unit. I don't think unit comes with springs or I would
    save ordered it.

    When this spring is not seated properly it doesn't machine message of" toner not set" appears.

    Now that I have it making contact I am getting all black copies. don't know if because spring
    isa all bent out of shape and causing black copies. I have seen this on Xerox xc drum cartridges
    when spring contact was not sitting properly inside drum unit. If you are able to help me please do.
    Your input is always appreciated. Frank/ActionPhotocopy
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