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My Canon e510 printer scanner scans with full red background

The scanner bulb shows full red colour while scanning instead of full white colour

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Hi . if the light is not white the image sensor unit is defective and has to be replacex

Posted on May 03, 2017

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Posted on Jan 02, 2017

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1 Answer

Scan/copy issue: horizontal lines and bulb red


It's the scanner fluorescent lamp faulty, replace the scanner will solve the problem

Jul 15, 2017 | Samsung CLX-3175FN Color Laser All-in-One...

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Canon mp500 onlt scans part of the page


I was very frustrated by this problem too, but just found a fix at last!!

Instead of focussing on the settings on the scanner itself. Use the MP navigator software to change scan settings and get around this problem. there you can set document size, colour or black and white and even DPI (quality) .

Mar 19, 2009 | Canon Pixma MP500 All-In-One InkJet...

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Not able to scan in colour....help


the canon ir3300 have only black & white scanner not a colour scanner, if u want to scan colour photo then go for ir 6600 or ir105 model
thks

Mar 06, 2009 | Canon imageRUNNER 3300 All-In-One Laser...

1 Answer

DR-9080C BackgrounfColour Dropping Out


Color scanning is a big technology. There are concepts like Hue and intensity, refer to wikipedia for explanation. There is something called source light (your monitor for example) and reflected light (your picture that is being scanned). After scanning properly, say you view on a monitor where the Brightness & Contrast are not proper, you will see the image poorly! To test the scanning scan absolute white and check the output. It should read the values 255,255,255 for RGB (Red, Green & Blue). If the values are 255,255,255 but still the image does not appear white on the monitor, it is monitor setting that is wrong. If the output is not 255,255,255 then CANON service personnel only can help. Any good imaging software will display the RGB values.

CANON uses LED light source and they have fairly long life as compare to scanner bulbs. It is okay if you use a powerful system, but it has limited role as the scanner does all the jobs and it only sends the data to the Comp. May further processing is better withe high performance CPU and large RAM.

Aug 05, 2008 | Canon DR-9080C Path-Through 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

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When I photocopy, the whole page prints a bit grey, instead of white.


It sounds like the scanner isn't scanning bright enough. This may be due to dust on the mirrors and scanning bulb, but it may be due to the scanning bulb wearing out and not lighting up as bright as it used to.

VitalStatistic63

Jan 22, 2008 | Canon Pixma MP800 All-In-One InkJet...

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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