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3000 gray stripe

 
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copyman
intern


Joined: 15 Aug 2007
Posts: 147
Location: new jersey / phila

 PostPosted: Fri Oct 18, 2013 12:00 am    Post subject: 3000 gray stripe Reply with quote Back to top

Gray stripe 1/2 " wide and inch or two in from trailing edge. Image on paper is good and not affected by this. Stripe is across bottom the whole width using 36" paper.

Thanks in advance
 
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bigal
doctor


Joined: 17 Apr 2007
Posts: 352
Location: TEXAS

 PostPosted: Fri Oct 18, 2013 9:31 am    Post subject: Stripe Reply with quote Back to top

Clean transfer corona and wire. Install new wire if more than 70k feet on it.
 
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tjohnson
doctor


Joined: 23 Aug 2010
Posts: 508
Location: Idaho Falls, Idaho

 PostPosted: Fri Oct 18, 2013 3:04 pm    Post subject: Reply with quote Back to top

The very first versions of firmware would cause a faint gray line 50mm from the trailing edge, version K105x08a addressed that and even that is a very old version. As in any type of print quality issue, you always do the PM as recommended and then see if the problem is still there.

NOTE: also check the Regulation Roller pressure and the Clean Roller bias contact
if this does occur!
 
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copyman
intern


Joined: 15 Aug 2007
Posts: 147
Location: new jersey / phila

 PostPosted: Wed Oct 30, 2013 3:47 pm    Post subject: Update Reply with quote Back to top

Gray line is only when copying & scanning, fine printing.


After a good cleaning , replacing all corona wires & reg roll pressure adj line seems fainter. I paid special attention to cleaing the fiber optics & rollers on under side of scanner.

Anything else I can check or adj for scanning leaving a faint gray line on trailing edge?

Machine has newer serial # and has updated firmware (new style home screen), also new style T/S corona.

Thanks again for the help
 
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tjohnson
doctor


Joined: 23 Aug 2010
Posts: 508
Location: Idaho Falls, Idaho

 PostPosted: Wed Oct 30, 2013 5:33 pm    Post subject: Reply with quote Back to top

The only other thing that comes to mind if if you have watched the paper travel through the machine by removing the right cover and shining a flashlight into the side of the frame. It is possible that you may be getting a large buckle towards the trail edge of the prints that could cause some sort of line. If the paper is buckling too much you may have to adjust fuser speed higher.
 
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dlee
doctor


Joined: 07 Nov 2006
Posts: 1459
Location: E. Syracuse NY

 PostPosted: Thu Oct 31, 2013 10:26 am    Post subject: Reply with quote Back to top

Wait, if I'm reading this correctly, if you send a print to the printer, it prints fine. If you make a copy or scan to file, then the gray line is apparent, correct? If you scan to file, does the gray also show up in the image file? If everything you are sending through the printer via network is printing fine and everything you are putting through the scanner has the gray line, I would suspect the scanner or your original, not the printer.

Try changing your quality settings to lighter, your scanner might be picking up shadow images. OR were your originals folded, crinkled, creased or dirty? That can cause the scanner to pick up that stuff as shadow, which would look like a gray image. If it's going across the 36" paper, was your original folded or some other way damaged at that location that the scanner might be picking it up as shadow. I keep saying shadow and lighten your quality setting because I've seen this so many times before.
 
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