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  1. #1
    Technician
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    Light Copy at bottom

    Hi all,
    I am Canon IR3300 user and technician. When I keep A4 page in vertical position bottom part (may be 20 to 30 % of A4) comes lighter than remainng. I removed platten glass, clean beam with spirit but still the problem is same.
    Can anybody help me to rectify the problem.

  2. #2
    Senior Tech 100+ Posts
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    hi,does it print if so is the cq the same.look at dev assy,drum unit and tran roller-check the springs are ok on front and back of tran roller-does it have a dust proof glass.also check fuser film.

  3. #3
    Ricoh Fanboy 1,000+ Posts Oze's Avatar
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    LOL..so as a tech you don't know what to call paper other than "vertical"?
    SIGH...ok...check the transfer roller as they sometimes have the spring missing from under the bushing....check the dev to make sure that a)...there's toner on the cylinder and b) there's toner actually IN the dev.

  4. #4
    Service Manager 1,000+ Posts
    Light Copy at bottom

    davidj7's Avatar
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    oze: to keep cost down(or increase profit) most of the users in India are 1/4th techs . Some users even rebuild fuser units of smaller models like GP405 etc. They learn this by seeing tech's do it. We call them screwdriver tech's . he he

  5. #5
    Ricoh Fanboy 1,000+ Posts Oze's Avatar
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    Yeah David...I mean no racial slurs or anything but it CAN be a sore point with brand trained techs.
    And as for rebuilding GP405 fusers...I used to rebuild NP fusers

  6. #6
    Service Manager 1,000+ Posts
    Light Copy at bottom

    davidj7's Avatar
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    oze: i am sure u can . he he . imagine your client rebuilding a fuser unit , cause you are late. :-) . of the NP series i managed to touch only 6060 but watched others touch from Np-1215, 270 onwards. I was a little kid then

  7. #7
    Technician bluemax121's Avatar
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    bottem side copy light

    hi
    if copy imprision uneven
    it is problam with toner unit because of un even brush formet
    do one thing remove the toner from unit
    then blowout unit clean the meg roller
    after that u can carryout with fresh toner

    i hope it will works to u

    if u have any problam u can contact me i will suggest u
    copynprint@gmail.com

    have a nice day

  8. #8
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    check your developing cylinder 1st either at the bottom its is solid black..if ok..clean transfer roller above duplex and primary roller beside drum..

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