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scanmike
medical school senior
Joined: 12 Nov 2005
Posts: 36
Location: NYC
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 Posted: Mon Apr 20, 2015 4:25 pm Post subject: Toner on Scorotron right side |
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I am getting a light copy on the right side (outboard) due to a toner build-up on the scorotron. I can clean it up and the copy looks great. Is there a seal problem? Any suggestions. Sorry if this question was already answered
Mike |
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tjohnson
doctor
Joined: 23 Aug 2010
Posts: 508
Location: Idaho Falls, Idaho
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| Posted: Mon Apr 20, 2015 5:07 pm Post subject: |
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| Typically toner dusting causes dark streaks when it is on the charge wire, light prints sounds more like a dirty printhead, if the corona unit is dirty the printhead is too. There are numerous things that can cause the machine to dust toner, but most common issue is a developer unit that needs to be a rebuild, or a worn out drum. Do you know how many square feet those items have on them? |
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scanmike
medical school senior
Joined: 12 Nov 2005
Posts: 36
Location: NYC
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| Posted: Mon Apr 20, 2015 7:31 pm Post subject: |
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Drum not that old. I believe within 300k Developer unit has about 2.5m. I know the writing head is getting fouled at the same time the scorotron is getting toner on it. Just don't know why. I am going to flip drum to see if that makes a difference.
Mike |
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tjohnson
doctor
Joined: 23 Aug 2010
Posts: 508
Location: Idaho Falls, Idaho
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| Posted: Tue Apr 21, 2015 10:22 am Post subject: |
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| Have you checked the developer roller to see if it has a glazed coating on it? You will get light prints and toner dusting if that roller glazed. |
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tech2tech
doctor
Joined: 04 Mar 2005
Posts: 377
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| Posted: Tue Apr 21, 2015 7:32 pm Post subject: |
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The dev unit has a life of about 1.9 million sq. ft. If you are at 2.5 then I would say with 99.9% assurance the developer assy should be replaced or rebuilt. The Doctor has a rebuild program if you are not sure how to do so. After you get the dev unit issue resolved replace the M/C corona wire and clean the printhead. That will make a huge difference.
_________________
"If you mess with a thing long enough, It'll break" |
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gjames
resident
Joined: 02 Apr 2008
Posts: 174
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| Posted: Thu May 28, 2015 10:42 am Post subject: Re: Toner on Scorotron right side |
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| scanmike wrote: |
I am getting a light copy on the right side (outboard) due to a toner build-up on the scorotron. I can clean it up and the copy looks great. Is there a seal problem? Any suggestions. Sorry if this question was already answered
Mike |
Dusting problems are common... Does your developer assy have the dust cover installed?
If not it's a KIT you can order from KIP.
Also if your seals are damaged that would cause excess issues.
_________________
"The bitterness of poor quality remains long after the sweetness of low price is forgotten." - Benjamin Franklin and John Ruskin |
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