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Void Area's Center of Print on runs longer than 4 feet

 
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Cobra
medical school senior


Joined: 11 May 2006
Posts: 46

 PostPosted: Tue Jul 17, 2007 10:01 am    Post subject: Void Area's Center of Print on runs longer than 4 feet Reply with quote Back to top

Have a 3000 that you can run 24x36 prints on all day without a single problem, but on anything longer than 4 feet, it develops round void marks (@3-4 inches in diameter). In fact, the longer the sheet, the worse the void marks become.
 
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KIPDOCTOR
Site Admin


Joined: 31 Dec 1969
Posts: 1408
Location: Boston Area

 PostPosted: Tue Jul 17, 2007 11:11 am    Post subject: Reply with quote Back to top

Check your fuser pressure and also maybe look at the fuser speed. The paper is being pulled and tugged out of it proper posture as it goes through the machine. You need to correct this and your voids will disappear.
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What we have gained in technology, we have lost in humanity.
 
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LDavis
medical school grad


Joined: 21 Apr 2007
Posts: 62
Location: Spokane

 PostPosted: Fri Jul 27, 2007 6:10 pm    Post subject: 1st Fuser Speed Reply with quote Back to top

I've been there before, adjust the 1st fuser motor speed #436 from 21 to 15. This should work fine up to 8ft or so. Wink
 
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LDavis
medical school grad


Joined: 21 Apr 2007
Posts: 62
Location: Spokane

 PostPosted: Wed Jan 09, 2008 5:40 pm    Post subject: KIP 3000 Reply with quote Back to top

Have you taken the left cover off and looked throught the side while it is printing the long sheets? If you have the speed set correctly you should not see the paper buckle or pull to tight. The fuser tension has nothing to do with the void unless it is wrinkling. Make sure your sep and trans wires are clean.

Leon Smile
 
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CHILLIN
doctor


Joined: 05 Oct 2006
Posts: 950

 PostPosted: Thu Jan 10, 2008 12:28 am    Post subject: Reply with quote Back to top

KIP has a tech tip regarding this issue for 30 inch paper but the idea of it is the same for 36 inch paper. TIP-K105-009 let me know if you need it.
 
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