Question about Sharp AL 1631 Copier

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Copy machine randomly makes copies with reversed colors black background white writing .

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1 To Check wholeness of the corona of the charge (upper beside drum) 2 Check the contact which corona gets high power 3 Check presence high voltages on corona of the charge.
This all that can be

Posted on Oct 03, 2009

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1 Answer

How to I reverse the background color?


Here's a Youtube tutorial on how to "reverse" the colors:

Sep 02, 2014 | Cell Phones

1 Answer

Canon PC921 Replaced toner, bad copies. Is there a separate drum to be replaced?


yes that it 's the most possibillity.
but you must be assure that :
- the paper is not moist. (it makes pale copies)
- the glass has you cleaned up. (it makes black background uneven)
- the transfer unit is not dirty. (it makes black background)

May 21, 2011 | Canon PC-921 Black and White Copier

2 Answers

Is there a way to copy a document that has text on a colored piece of paper and have the background show up white and the text show up black instead of the background being grey and the text being black?


If the background color is light (yellow for example) you can probably play with the contrast and density settings to make it better, but otherwise you can't, unfortunately.

Sep 17, 2010 | Canon imageRUNNER C3220 Color Copier

1 Answer

Want a B&W copy from colored sheet of paper w/o dark background.


It's never going to be perfect (unless the background is quite light in colour), because the copier basically "sees" the coloured background as "gray", and the darker the background the more "gray" it looks. Try setting the original type to "photo" mode, and then adjusting the exposure a little lighter/darker....that's all you can basically do.

Mar 25, 2009 | Canon imageRUNNER C5180 Color Copier

2 Answers

I have a xerox dc12 with error message please turn machine off and on again 9-363 have tried several times but no good! what else can I do?


That's a process problem with that machine.
May require a service call .ON and OFF is pretty much all a customer can do and wait for it to setup.
NOTE: The problem occurs because of the trickle development system in the machine, making extended lengths of black and white copies / prints does not allow the black developer housing to purge itself of excess waste Toner (Dry Ink) and Developer. There are two solutions for the problem:
  • Make 1,000 copies / prints of a black and white job, then make 150 copies / prints of full color. Continue making 1,000 copies / prints of the black and white job, then 150 full color, and so on, until the entire black and white job is complete.
  • Make extended jobs in groups of 100 by making 100 copies / prints of the black and white job, then allowing the machine to cycle down (return to 'Ready') and making the next 100 copies / prints. Continue in this pattern until the entire black and white job is complete.

Apr 28, 2008 | Xerox DocuColor 12 Printer

1 Answer

DVD output is Black & White


What type of machine is doing the copying?

Feb 27, 2008 | RCA 20F510TD 20 in. TV/DVD Combo

1 Answer

Error 9-363


NOTE: The problem occurs because of the trickle development system in the machine, making extended lengths of black and white copies / prints does not allow the black developer housing to purge itself of excess waste Toner (Dry Ink) and Developer. There are two solutions for the problem:
  • Make 1,000 copies / prints of a black and white job, then make 150 copies / prints of full color. Continue making 1,000 copies / prints of the black and white job, then 150 full color, and so on, until the entire black and white job is complete.
  • Make extended jobs in groups of 100 by making 100 copies / prints of the black and white job, then allowing the machine to cycle down (return to 'Ready') and making the next 100 copies / prints. Continue in this pattern until the entire black and white job is complete.
NOTE: The above solutions are based on jobs using 8.5 x 11 inch paper, single sided, with no more than 28% coverage.

Feb 18, 2008 | Xerox DocuColor 12 Printer

1 Answer

9-369


: The problem occurs because of the trickle development system in the machine, making extended lengths of black and white copies / prints does not allow the black developer housing to purge itself of excess waste Toner (Dry Ink) and Developer. There are two solutions for the problem:
  • Make 1,000 copies / prints of a black and white job, then make 150 copies / prints of full color. Continue making 1,000 copies / prints of the black and white job, then 150 full color, and so on, until the entire black and white job is complete.
  • Make extended jobs in groups of 100 by making 100 copies / prints of the black and white job, then allowing the machine to cycle down (return to 'Ready') and making the next 100 copies / prints. Continue in this pattern until the entire black and white job is complete.
or
  1. Power OFF the machine.

    dc12-pwr-sw.jpg

  2. Wait 30 seconds.
  3. Power ON the machine.

Dec 04, 2007 | Xerox DocuColor 12 Printer

2 Answers

Background Color


1) In the Applications Menu on your copy screen there should be a option to turn on or off a background color fill. Turn it off and try. If it still comes out try hitting panel reset. If this doesnt work. 2) You have a bad Image Unit. Change the yellow image unit. 3) You may also have a bad write unit. Pull out the four write units and check the yellow write unit. It may have gone bad in which case it needs to be replaced.

Jun 12, 2007 | Minolta CF1501 Copier

1 Answer

Copying from Colored Paper


No..The exposure will only give you an overall lighter or darker copy.. Dave UK

Feb 23, 2007 | Canon ImageRunner C-3170U Copier

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