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  1. #1
    Field Supervisor 500+ Posts
    Light copies from glass & AF Canon IR C3170 - Prints & scans fine

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    Light copies from glass & AF Canon IR C3170 - Prints & scans fine

    Interesting problem on IR C3170 because the scanner scans fine but copies washed uot looking when made from both glass & Doc Feeder. Would have suspected CIS if scans were light also but they look good. Any ideas?


  2. #2
    Professional Print 50+ Posts
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    make calibration (full adjust)


  3. #3
    Field Supervisor 500+ Posts
    Light copies from glass & AF Canon IR C3170 - Prints & scans fine

    blazebusiness's Avatar
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    Already tried full adjust - copies still look light & washed out - prints & scans just fine. I'm thinking circuit board (rcon or mcon)


  4. #4
    Professional Print 50+ Posts
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    that is no any error?
    also you make cleaning inside main unit or not ?
    from add. funct. - adjustment/cleaning-Exposure recalibration make it


  5. #5
    Lead Service Technician 1,000+ Posts mrfixit51's Avatar
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    Quote Originally Posted by blazebusiness View Post
    Already tried full adjust - copies still look light & washed out - prints & scans just fine. I'm thinking circuit board (rcon or mcon)
    Did you do the CCD_Adjust in service mode before you performed the Auto Gradation? Clean the CIS lens top before you run CCD_Adjust.


  6. #6
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    I just dealt with a similar issue, I had a trainee with me and he asked me if I cleaned the optics :0 they looked fine! but after a quick clean problem solved..........


  7. #7
    Indentured Servant 500+ Posts D_L_P's Avatar
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    We had a new one doing the same thing, prints were fine but off the glass were terribly light. Change the resolution from Photo/Text to Text. Made that the default.


  8. #8
    Professional Print 50+ Posts
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    Quote Originally Posted by D_L_P View Post
    We had a new one doing the same thing, prints were fine but off the glass were terribly light. Change the resolution from Photo/Text to Text. Made that the default.
    that s' right also


  9. #9
    Field Supervisor 500+ Posts
    Light copies from glass & AF Canon IR C3170 - Prints & scans fine

    blazebusiness's Avatar
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    Switching text / photo mode to straight text helped some . Then adjusting other values in service mode improved image even more.... finished with another full gradiation adjust in add. func & image looks more or less ok. Thanks for your comments everyone. One remaining issue... first thing in the morning copies are light but image improves & darkens as the day progresses... Xfer roller in right side door assy degrading but after charging up throughout the day responds better to charge? Should I replace charge roller ? Thanks again for comments -- you guys are the best- Robert Blaze


  10. #10
    East Coast Imaging 2,500+ Posts
    Light copies from glass & AF Canon IR C3170 - Prints & scans fine

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    Quote Originally Posted by blazebusiness View Post
    Should I replace charge roller ?
    You should if its time too. Also developers. What the count on this machine?

    Canon Copier Repair Service. Sales, Parts & Toner. NYC/NJ area. Contact:East Coast Imaging Solutions,LLC

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