Question about Umax Astra 3450 Flatbed Scanner

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HP Scanjet 3500c

My scanner only scans a magenta screen, unless using grayscale or black /white.

Do you know how I can fix this?

Posted by devug2005 on

  • Anonymous Feb 08, 2008

    My scanned pictures are yellow. Do I have te same problem?

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Anonymous

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The scan light is very weak and my pictures turn out red, blue or yellow

Posted on Dec 11, 2007

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1 Answer

Hello, I got A Kodak i1440. I get white lines on the documents, when scanning on grayscale, the image guides are brand new. Any ideas on why is this happening and how to fix it? Thank you


green and white continuous forms WHOOAH!! the contrast is from the grayscale scanning. nothing you can do. maybe increase the contrast but the text will probably drown out. keep experimenting. try just a black and white copy and then try scanning the copy. could be a lot of work depending on your workload. have fun

Mar 10, 2014 | Kodak i1440 Pass-Through Scanner

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My laser mfp 1815dn is reducing the size of the image of the document i am scanning. how do i get it back to scan and save a full page?


Welcome to Fixya!

Adjust the Scan setting to the defalult/appropriate resolution. See guidelines below.

Documents:

300 dpi black-and-white or 200 dpi grayscale or color


Documents of poor quality or that contain small text:

400 dpi black-and-white or 300 dpi grayscale


Photographs and pictures:


100-200 dpi color or 200 dpi grayscale



Thank you for using Fixya. Have a great day.

Jas247

Jul 12, 2011 | Dell Printers:Dell MFP Laser Printer...

1 Answer

Using the Pixma mp800, running from windows 7, when I try to print in black and white photographs, the printer adds greens. How do I correct this?


Hello,
your printer makes black from cyan, magenta and yellow when you tell it to prin black and white photographs. In the Printer Preferences you will find an option that is called: Print in High Resolution Grayscale using only the black cartridge.
If you check this function your printer will print only black and white with grayscale and will not use the color cartridge.

Jun 06, 2011 | Office Equipment & Supplies

2 Answers

Black and white prints are not black


Sorry, steve, that you are experiencing this problem.

According to canon.com's website regarding the i9900 InkJet Photo Printer:

Why color ink may be used when printing in black and white Even when printing in black and white, color ink is used for the following reasons:
  1. Automatic cleaning of the print head.

    To prevent the print head nozzles from clogging, the print head is automatically cleaned periodically. At that time, a small amount of each color ink is consumed.

    Therefore, although printing in black and white is performed, color ink is also consumed.

  2. Color inks may be used to create black.

    When printing in grayscale or on photo paper or when duplex printing, although printing appears in black and white, the color black may be created using the three (cyan, magenta, and yellow) color inks. Printers without a pigment black tank / cartridge will print black / grayscale will create a composite black using color ink even on plain paper.

    Therefore, although printing in black and white is performed, color ink may be consumed.
  3. In order to keep the heavy black ink from smearing on the page or in the printer, color ink is used when duplex printing to help create black text.

    ---
I might suggest taking out the color ink cartridges leaving only black there, but some printers don't take kindly to this. So, you may have to further experiment with magenta, cyan, and yellow to make it at least seem b&w to your best eye's judgment.

Good luck on this.

Jul 13, 2010 | Canon i9900 InkJet Photo Printer

1 Answer

Fi-5750C Fujitsu scanner can't change grayscale default setting


Photoshop is not an "advanced" scanning program. To get some "production" and value out of this expensive scanner you need a professional scanning program which also may control the settings of the scanner. Use PixEdit which utilizes the built-in jpeg compression in the scanner. Did a test scanning 10 pages A4 duplex fullcolor. Adobe Acrobat Pro used 4 minutes. PixEdit used 20 seconds. Guess Photoshop (in your version) would also scan uncompressed and not use this good scanner optimal.

Jun 26, 2009 | Fujitsu fi-5750C Flatbed Scanner

1 Answer

Scanned documents are very light


I have found that when scanning b/w documents, its helpful to start with a black and white copy, not a grayscale, pen written, or printed form a printer in grayscale mode copy, but a true black and white on the copier or fax copy. The scanner doesnt read shades of black so well and when scanning multiple page documents, my pixma tends to scan in lightly. I havent found a piece of software to do just this, batch darken what has been scanned (at least not for free). Copying before scanning is the work around. Hope this helps everyone who's had this problem. It also doesnt hurt to darken what your scanning down a notch when copying

Mar 21, 2008 | HP PSC1510 Printer/Scanner/Copier...

1 Answer

Gray backround


Does your scanner software give the option to choose different modes...grayscale, color, black & white?? This sounds like it's scanning in grayscale....if you can change it to black & white, the background should remain white.

Jan 24, 2008 | Epson Perfection 1670 Flatbed Scanner

1 Answer

Scanning sheet music


Scan all pages with GrayScal Single Page JPEG and then convert them to Multipage PDF.

Jan 22, 2008 | Canon CanoScan 8000F Flatbed Scanner

2 Answers

Scanning speed problem


The scanners rated speed is for black and white all error correction turned off. As soon as you start doing 24bit colour or grayscale or up the dpi the scanner will start scanning more slowly. I personally get abpout 60ppm with my error correction on black and white 200dpi. (300 dpi scans just as fast although 400dpi will slow down).

Sep 28, 2007 | Canon DR-9080C Path-Through Scanner

2 Answers

When printing a scanned object, paper is all gray


Whatever scanning utility you are using, set it to Black and white, not grayscale nor colour! regards, babb

May 05, 2007 | Umax Astra 610P Flatbed Scanner

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