Question about Sharp AL-1641CS Laser Digital Copier

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DARK SPOTS WHEN I GET A COPY MY COPIES HAS SEVERAL DARK SPOTS IS A KONICA, WHAT CAN I DO TO FIX IT.?

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Are the dark spots random and moves location with every copy or are they at exacly the same place on every copy? Random you will need to remove the drum/toner and use a blower to clean the inside of the machine,failing that replace the drum unit.If the spots don't move clean the top glass.Let me know

Posted on May 22, 2009

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1 Answer

Konica 1212 copies to dark


1st the basic cause of dark/grey copies DUST. Clean w/ alcohol cloth then dry cloth totally all mirrors and the platen glass both side. If still dark check the "Optic slit " right in the upper of your halogen lamp remove it, still dark Check your halogen lamp maybe it already oxidized. The last solution adjust the CVR .

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Normally light copy comes out when mirrors are dirty. Before any adjustment clean the slit glass and mirrors.

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Please replace the cartridge /toner with a new one and see what you get.

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Its me again,after the user changed a new toner cartridge after few copies there is a dark back ground in copy.before replacing the toner the copy was perfect pls help me in this problem


Hi, After a few copies, the toner supply unit pulls more toner, which results in dark copies. To fix this, you have to reduce the contrast (to minimum). Also, make sure that there is no excess toner within the toner supply unit.
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1 Answer

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Sounds to me like the drum needs replacing, and likely the developer too. There is probably a haze of toner still on the drum. You can check by opening the right side cover and looking at it. Is there toner on the drum (green cylinder). It may not be too obvious depending on how dark the copies are. GENTLY wipe a tissue across it after making several copies - it should be clean if the drum is functioning properly. If it is, it could be the fuser that is wearing out, but I'm leaning toward the drum. As I said, if you need to replace this, it is a good idea to do developer at the same time, because these machines tend to be a little sensitive.

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1 Answer

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Question


1) For a copy to be blurred: either you need to add more ink (Toner) or you need to increase the toner density
2) When you have dirty copy: Try to clean your glass and the glass cover and also clean the mirrors inside and the zoom/lens.
3) a dark dot: you have to bring out the drum unit and roll it round you may be able to see a spot on, clean it with a fry cloth and fix it back to its position.

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2 Answers

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dear sir i have information P 27 on my konica copier. how do i solve the problem..?

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