Lexmark Optra T614 Laser Printer Logo
Matthew Groff Posted on May 25, 2007
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Unisys UDS 25 Printer Problem - Identical to Lexmark T614

I have a Unisys UDS 25 printer, a few weeks back it started printing very lightly and said toner was low. I replaced the toner cartridge. The new toner cartridge was really blotchy and putting lines all over my page. I chalked this up to a bad toner cartridge. After replacing it again, the printer is printing very lightly with lots of blotches again. I checked the cartridge and it looks fine... Not sure where to go from here.

  • Matthew Groff May 29, 2007

    One of the toners was a recharge, the other was an OEM. Both had the same problem. We have ordered another transfer roller. In the time we did that the problem seemed to take care of itself.

    I believe that the transfer roller is the main issue and I will be replacing that shortly.

    thanks!

  • Matthew Groff Jun 25, 2007

    We have replaced everything that would cause the printer to have bad quality. This includes, the Toner Cartridge, the Fuzer and all rollers.

    We are still having this issue. We have tried, new drivers, setting the toner quality to the highest etc.

    We are still having issues, am I looking at having to purchase a new printer.

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  • Posted on May 29, 2007
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Your Unisys UDS 25 is actually a Lexmark Optra T612. Are you using OEM cartridges or recharges? If you're using recharges, that would explain the print quality issues. Was it light with the first cartridge as well as the second? The drum "being on its way out" is a moot point since the drum is replaced when you replace the toner, it's all one cartridge. If you have another printer of the same model, try the cartridge in it and see if the problem follows. If it does, it's the cartridge, take it back and get an OEM one. If the problem does not, then you may need a new image transfer roller. Let me know what happens!

  • Anonymous Jun 26, 2007

    What's the condition of the paper? Damp paper can cause print quality issues as well, and it sounds as if everything that can be replaced has been with the exception of the laser unit -- I've never heard of a laser unit causing blotchy printouts but if the lens and/or mirror are dirty it would certainly cause light print quality. Damp paper would also cause this and can indeed create blotching.

    Open a brand new ream and replace the paper, run at least 10 sample pages, and let me know what happens!

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  • Posted on May 26, 2007
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Check the Technical Support Team for this machine My guess is the drum is on its way out - or some other replaceable control item but they will know.

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