Question about Sharp AL-1641CS All-In-One Laser Printer

1 Answer

Sharp 1641cs - Dark/black page after replacing drum & toner

The unit was on its 3rd to 4th toner cartrige when the drum replacement light came on and stopped copy/print. We replaced with OEM drum & toner but it produced only a complete black page which was surprising as there had been no copy/print issues prior. The unit was taken out of service and stored for the last two years but I would like to put this back in service as backup printer. Any suggestions would be appreciated.

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  • C Braznell
    C Braznell Jan 14, 2013

    It is fairly clean, would this be a defective toner or drum cartridge?

  • C Braznell
    C Braznell Jan 26, 2013

    Cleaned the charger and blew the unit out thoroughly and cleaned the corona wire, still the same results. Tried putting back in the old drum cartridge and still a full dark page. Any other solutions?

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  • Sharp Expert
  • 257 Answers

Hi you have not said the toner type you replaced with though that will give not completely black copy. The problem may have been the drum unit installation. Make sure the charge unit over the drum service is present ie the one with a mesh wire like grid. If present, clean it or wipe with a soft clean and dry cloth. Clean the saw-tooth like metal plate inside that unit by slow blowing and make sure no toner particles are there. Finally screw the unit properly on the drum unit and your problem is solved.

Posted on Jan 16, 2013

  • Anthony Karuku Jan 31, 2013

    Wipe clean the laser unit ie the one inside the copier where the drum enters. Also wipe the glass mirrors on document cover and the ccd unit. Something is obstructing there.

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Posted on Jan 02, 2017

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SOURCE: Consistent Squeaking Noise

The fuser unit, [near the paper exit] which heat-sets [fuses] the toner onto the paper, has bearings (bushings) that are screaming for high-temperature grease. Open it, and apply some common sewing machine oil onto the bushings. If the noise stops, you will need to repeat this every 2-3 months or disassemble the fuser roller and apply high-temperature grease.

Posted on Jun 24, 2007

  • 2072 Answers

SOURCE: Sharp AL-1641CS printer/copier

Most likely you had a toner cartridge failuer leaving some of the ink and developer in the crevices above the paper feeder and its just trickling onto the paper.
It pretty much needs to have the cartrides taken out and thouroghly vaccumed.
Just takes patience and time to get it all removed.
Dont vacuum the cartridges, but the inside of the machine.
Pull your paper tray out and see if there is toner and developer trickling into it.

Posted on Jan 11, 2008

  • 67 Answers

SOURCE: Sharp AR BC320 not printing correct colors

First of all, this copier doen't have print heads that spray ink like an inkjet. Its print heads (4, one for each color) are LED arrays, all they do is emit light. They can get dirty, but not clogged with ink.

Suggestion: Make a color copy at the copier, then print a color picture from a workstation. If the copied page looks good and the printed one doesn't, the copier is probably OK. Reinstall the print driver. I suggest you download the latest driver just for effect.

This worked for me at a customers site just today.

Posted on Feb 28, 2008

Bubbabear64
  • 2794 Answers

SOURCE: black lines running vertically through resulting copies

Clean the scanner glass. a small particle will cause this to happen.

Posted on Jun 06, 2008

  • 214 Answers

SOURCE: Printer has stopped printing copies even with a new toner and drum. Help!

Try the old one back in it? does that work if so Faulty unit take it back

Posted on Apr 23, 2009

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1 Answer

New toner and new drum and paper come complete dark


Hi there, it seems that the paper was coming out black not because of drum or toner .Replace the drum cleaner blade and developer as well. If it comes black again, check the charge unit and replace it then clean the optical parts that is the document glass and the small mirrors.

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Fotobaraban AR-202DM.
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1 Answer

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1 Answer

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Very unlikely that the toner is bad.

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