Question about Canon CanoScan LiDE 70 Flatbed Scanner

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Scanning a document and getting a black background and words in white.

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Look for a setup keyword "INVERSION" in your user guide. You should find the way to set this to normal scan.

Posted on Sep 04, 2009

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Trying to print documents, white background with black typed words. Problem I have is the printed documents have solid dark blue and solid black ink and the words don't show.


Are the ink cartridges installed in the correct colour order?
Have you printed a test page through the printer's own control panel? What was the result?
Open a new document, using the default settings. Key in some test text. Try printing. What is printed?

Jan 06, 2015 | HP Office Equipment & Supplies

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How to have white background on small documents


All areas outside of the document will be black only. I don't know how you were getting white background.
If you want white background around your scanned image, a) stick the check (in this example) onto a white paper and scan the whole sheet. Ensure double detection is off. b) You can also do this in software, by cropping a larger area outside the scanned image.

There are many options to view the scanned image like Actual size or Fit or Fit vertically or Fit width. The same image will appear different in each case.

S. Mohan, India

Jun 27, 2013 | Canon DR-5010C Scanner

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All of my copies and scans have a yellow background. This does not happen when I print a document directly.


You might be scanning and copying in full color even for regular documents. When you do this, it treats the document as a photograph or color document and therefore, the background, even if white, is scanned in as a bit yellow

Feb 28, 2011 | HP OfficeJet 7310 All-In-One InkJet...

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I'm having trouble scanning B&W documents with my Epson V300. The edges of the letters in the text are jagged and hard to read and there is what appears to be a crease or fold in the document when the...


You have two options for scanning text. You may explore both of them and see which is better for you. Either way, you will have to make friends with manually changing the scanning settings, because simple presets often are not suited for every case.

First is to use Grayscale mode, and a minimum resolution of 200dpi. This should give you satisfactory text quality. If you want to print the text afterwards, 300dpi would be even better. You may want to increase contrast, to get the letters more defined and eliminate most of the background toning.

Second is to use Black and White (monochrome) mode, but in this case you need to set the resolution higher, preferrably to 600dpi. Also in this case you will have to play with the Black/White threshold in order to eliminate background "dirt" appearing as black artefacts.

If you scan the documents in order to process them with OCR software, usually the OCR application will give you suggestions on how to set the scanning parameters to obtain good results.

Jan 24, 2010 | Epson Perfection V300 Film Flatbed Scanner

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When scanning color document, blue tone is present as background shade


Have long experince with PixEdit program using Kodaks. PixEdit usually comes around it after a firmware upgrade on the scanner. Not sure about this specific model but at least OK on other models of Kodak.

Sep 25, 2008 | Xerox DOCUMATE 510 Flatbed Scanner

1 Answer

Re : CanoScan N640P/Lexmark Printing Problem.


There could be a setting in your scanner drivers to fix that. It would be under background settings.

The other thing you can do is preview the document first and select the area you want to scan. Then press the scan button again. That way the black background that isn't needed will not print.

Jul 29, 2008 | Canon CanoScan N640P Flatbed Scanner

2 Answers

Edit a scanned picture


Take it into photoshop cs3.Type the text over the scanned text that u want to erase.resize the typed text to match the scanned one.
2)make a layer copy of the background layer.Turn off the original background layer.then, create a layer mask for the copied layer.and paint black over the area u want to erase, with the layer mask active.
If u don't no photoshop OR in case, u couldn't figureout what i said,then mail me ur scanned image and the text file to damy.damy.bobo@gmail.com. i ll fix it and mail u back the edited copy.THANK YOU!!!

Jun 24, 2008 | Microsoft Computers & Internet

1 Answer

DOES NOT PRINT IN BLACK


This may sound a bit dumb, but believe me as a tech support specialist, I have seen it happen. If you are trying to print a document, what color do you have set for text? I had a lady who wanted the text to be white on blue on the screen in Word and instead of setting it with a blue background and "auto" text, she set the text as white. White print on a white background (paper) doesn't show up...:-)

May 28, 2008 | Canon PIXMA MP780 All-In-One InkJet...

1 Answer

All scanned documents have blue background.


You have to take the machine to service partner who can be found on the brother homepage of your country.(www.brother.com)
The scanner needs calibration which can only be done by service personel.

Dec 25, 2007 | Brother MFC 210C All-In-One InkJet Printer

1 Answer

Grayblue Background on scans


A color scan will give real output as it is. If the background is grey, the output will also be grey. If you select 256 Color output, there may be small change in color, as compared to the original. If you select grey output, all colors will be converted to Grey. If these files are converted to PDF, it will be same, except in ODF format.

If you select B&W you can save the file in TIFF format. Unlike grey or color, each pixel can be either black or white only. To scan in black and white you must select right brightness. By doing os you can eliminate background (technically noise) and capture foreground(data)

S. Mohan

Oct 19, 2007 | Canon DR-1210C Scanner

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