Question about Canon PC-940 Black and White Copier

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Our copies are coming out with black linesof all shades all down the paper.

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Clean the machine and replace the drum cleaning blade

Posted on Aug 27, 2010

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Xerox 4150 my paper is a light shade of grey, what can it be thank you


Giacomos,

Is the paper a shade of grey with no image? or is there an image with a grey background?
If there is a image with a grey background you should try a new toner module. If that doesn't resolve the issue, clean the xerographic drum, make 10 blank copies, if the cleaning doesn't resolve the issue than install a new xerographic module.

Hope this help.

Apr 05, 2011 | Xerox WorkCentre 4150 Black and White...

1 Answer

What is a Photoconductor Unit? Why does it need replacement? How much does it cost to replace the photoconductor unit?


photoconductor unit is a drun unit which does the actual copying of image on the paper. its life is 60,000 copies. its will need a replacement because after a while you will notice there are black marks appearing on your copies or your copies are not good or black shades. photoconductour unit is just beside toner supply unit. you can pull out the whole unit.

Sep 29, 2010 | Ricoh Aficio 3025P Black and White Copier

2 Answers

Ir 8500 cannnon copier black shade on paper


hi dude i dont think u have problem with drum cleaning blade coz it not making trouble for me from last 5years.
just replace the crona wires both charge and transfer and clean the whole scanner mirors .
thanks

May 16, 2010 | Canon imageRUNNER 8500 Copier

1 Answer

Replaced the power supply/controller pca on a ricoh 2210l. prints fine, but copies come out black. adjust shading procedure yields copy with vertical black stripes and sometimes a faint negative image of...


Hi,

If the tonner has gone old please take it out and shake if for atleast 2 to 3 minutes before putting it back and takng printouts. The issue would resolve but its a temporariy fix as you would require to change the tonner .

Let us know if you need further clarification.

Thanks

Dec 30, 2009 | Ricoh FAX2210L Plain Paper Laser

1 Answer

When received a fax, there is a black shade on one side of paper


Take out the toner cart and turn it upside down. Swing away the drum cover. The drum should be clean, if not replace the toner cartridge.

Jan 28, 2009 | Panasonic Panafax UF-890 Plain Paper Laser...

1 Answer

Copying spreadsheets


If the lines look like little steps, maybe broken is segments off by about the thickness of a pencil line, try this. Most likely it's the scanner. You can try calabrating it by doing the following. press in order. Menu #1934. You will see a T pop up to the right side of "Ready to Copy". Then press machine status, then scroll until you find maintenance. May be under system settings. When you find maintenance, press enter, then scroll to Shading Adjustment. Or depending on software version, Adjust shading. Place 5 sheets of paper on the glass,, press enter, then when is says "Adjust Shading?" press enter again. Let it print out the sheet. Then try a copy. If that doesn't help, the scanner itself will probably need replacing.
The scanner is the issue. The segments of what is called the CCD are not working properly.
Once you adjust shading, if that doesn't work, the scanner will need to be replaced.

Feb 28, 2008 | Xerox CopyCentre C20 Black and White...

3 Answers

Receive a black copy


scanner problem. if you receive faxes that are good. the scanner is used when you copy or send. Lawrence

Feb 26, 2008 | Panasonic Panafax UF-490 Plain Paper Laser...

1 Answer

400S Black lines at top of copy


Sounds like the drum is worn out. Usually do 60-70K before replacement. Shading more noticeable at top of copy. Could also before worn upper fuser roller.

Nov 09, 2007 | Canon imageRUNNER 400S Copier

1 Answer

Canon NP7161copier ( Indicates 8z and stops copying)


Dark shades on both side of the paper? Drum cleaning blade or fuser assembly. Check the upper fuser roller and the drum for build up.

Jul 16, 2007 | Canon NP 6551 Black and White Copier

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