Question about Canon CanoScan LiDE 600F Flatbed Scanner

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White spots on scanned pictures

There are white spots (looks like dust) on my pictures after I scan them and view them at 100%. Have never had this problem previously. Have cleaned the glass carefully and it still appears. Please help!

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  • Anonymous Nov 19, 2008

    white spots on scanned photos no dust on photo or glass. Canon is junk!

  • jonhenry Dec 17, 2008

    I just purchased a LiDE 100 it has the same problem. I scanned solid black photo. Looked like a starry night. Customer support was mystified, said it wasn't a known problem but will ship me a new LiDE 100 to replace it. I hope they are not all junk.

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SOURCE: After i scan a document, the image appear in black screen. Why?

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Posted on Jun 01, 2007

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Grey as you know is different shades of black. Uncompressed TIF can store this information. Compressed TIFF is not designed for this. Compressed TIFF is for blck & white only. Try JPG option. JPG can compress Color & Grey. For pure black & white chose TIFF compression.

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Posted on Dec 11, 2007

old marine
  • 2005 Answers

SOURCE: White spots on scanned photos

There's probably nothing you can do for dust under the glass, but in the Advanced settings for your scanner, there is an option to turn on "Reduce Dust & Scratches", with three different 'strengths'. You may want to try this to see if it helps.

Posted on Apr 21, 2008

  • 1 Answer

SOURCE: CanoScan 5000F foggy glass

No problem.
1st step. Remove the lid. It just pulls out at the hinge end by lifting straight up, horizontal if you like. Where the two lid posts insert in the scanner body you will find 2 screws, undo them, no need to remove at this point, too hard. Rememeber you left them in there though.
2nd step. Around the 4 buttons at the control end is a striped trim panel that is the full width of the scanner. Locate the join between this trim and the light grey underside of the scanner body and just left and right of the COPY & EMAIL buttons, Using your fingernails lift with some gentle force. This edge will pop up. Note, the trim panel has 3 location tabs that insert under the grey border edge around the glass. So pop the front edge first and pull towards yourself.
3rd step. Once this trim is removed you will note 4 little grey plugs equally spaced under this area. remove the plugs and you will find 4 screws. Unscrew them, no need to remove, remember point above.
4th step. Time for CAUTION. You will be able to lift the upper part of the scanner up in which the glass is mounted. ***There is a lead with little play connected to the 4 buttons PCB which is attached to the upper panel. To ensure you don't damage it accidently when cleaning the glass you can remove the 2 screws attaching it to the upper panel.
5th step. See if you can wipe it, with a VERY SOFT LINT FREE cloth, without putting you finger on it somewhere......................
6th step. reassembly is the same in reverse

Posted on Sep 16, 2008

jamie608
  • 32 Answers

SOURCE: How to Clean the inner part of the glass for scanning

Generally you should not have to clean the underside of the glass unless you are in a high dust environment. This would require disassembly of most of the printer itself. The glass is held in by double-sided tape or a bead of glue, so don't try to remove the glass sheet itself.

The easy part is the beginning, removing the scanner cover. Next you will have to locate screws around the outside and start taking panels off. Keep note of the panels and the screws. After the side panels are off, there should be a set of screws around the scanner itself that hold the scanner and plastic casing with the scanner glass. Once those are removed, the scanner glass with its frame should be able to be removed. From there you can use whatever you would like for glass cleaning, make sure it is streak free.

Older scanners make this easier. Most of them are 4-6 screws and the top half pops off and can be easily cleaned. A multifunction isn't so fun in this sense.

Hope this helps!

Posted on Oct 18, 2008

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