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Thread: Ir 7105

  1. #1
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    Ir 7105

    Hi All,

    Went to an ir7105 that has had ongoing Cq grey background but Image is spot on.

    Laser/Corona assy/ Dev unit has been replaced.

    Its Done 5 Million . I suspect Drum has had it!

    Any other ideas?

    Regards

    Shazza

  2. #2
    teacher-guide-expert-guru 2,500+ Posts
    Ir 7105

    zoraldinho's Avatar
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    Quote Originally Posted by shazza View Post
    Hi All,

    Went to an ir7105 that has had ongoing Cq grey background but Image is spot on.

    Laser/Corona assy/ Dev unit has been replaced.

    Its Done 5 Million . I suspect Drum has had it!

    Any other ideas?

    Regards

    Shazza
    Do you try to polish the drum with powder.Also check dust proof glass.
    Practice makes perfect
    If it ain't broke, don't fix it
    A picture is worth a thousand words
    If you want something done right, you have to do it yourself


  3. #3
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    Did you try turning pot. cont. off

  4. #4
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    Hi,

    Yep no difference going back to change Drum later on week. Will update.

    Thanks

  5. #5
    Service Manager 1,000+ Posts
    Ir 7105

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    is the customer using canon toner?

    pre exposure lamps could be causing an issue as well. check for loose connections.
    Accidents don't just happen. They must be carelessly planned.

  6. #6
    Tech Specialist 1,000+ Posts Canuck's Avatar
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    Is blanking clean around perimeter of copy?(does it have background also?)

  7. #7
    Service Manager 10,000+ Posts
    Ir 7105

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    Quote Originally Posted by shazza View Post
    Hi,

    Yep no difference going back to change Drum later on week. Will update.

    Thanks


    One Word= TONER
    **Knowledge is time consuming, exhausting and costly for a trained Tech.**

  8. #8
    Lead Service Technician 1,000+ Posts mrfixit51's Avatar
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    Quote Originally Posted by zoraldinho View Post
    Do you try to polish the drum with powder.Also check dust proof glass.
    I agree with polishing the drum as part of the normal maintenance of the copier, but dust proof glass is not the issue here, since "light writes" on this model, any crud on the dust proof glass will cause either intrack voids or light copy...

  9. #9
    Senior Tech 100+ Posts MrB's Avatar
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    Have you tried the new drum yet
    5m is alittle high
    I did have one a few mths ago with the same issue
    I changed the HVT PCB (After changing everything else - Wires, Deve, Drum, A.P. Kit)
    The customer was using gen canon toner, so know that wasn't the issue

    Good Luck

  10. #10
    Service Manager 1,000+ Posts
    Ir 7105

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    We just had one at a corporate print shop go 15.8 million before the surface wouldn't clean off properly anymore. The difference between the 7105 and the 105 amaze me!!! The two other machines in the same room both have over 14 million on their drums as well and CQ is still holding great.
    Accidents don't just happen. They must be carelessly planned.

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