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  1. #1
    Senior Member
    Join Date
    Sep 2007
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    115
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    light image ricoh mp4001

    I have ricoh mp4001.the problem is after many copies image become lighter.no toner signal display and toner still full.when i force toner image returned to normal for a few copies. i have change new toner hopper dv and drum but problem still same.how can i solve this.thanks.

  2. #2
    Senior Member
    Join Date
    Nov 2004
    Posts
    174
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    Did you do sp2801 and 2805? after changing the developer and drum?

  3. #3
    Junior Member tienphatcopier's Avatar
    Join Date
    Mar 2016
    Location
    Si Gn
    Posts
    7
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    How does SP 3103 show up?

  4. #4
    Junior Member
    Join Date
    May 2012
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    5
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    try cleaning the mag roller

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