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Re: Everything I scan, the result is black
Hello Lucie, From your brief description it sounds like the Scanner Lamp is faulty/blown do you see a bright light that travel up the bed of the glass under the lid when closed if open be careful as very bright if it comes on when scanning. If you do then you may need to reload the driver for the scanner. Good Luck! Paul 'W' Onyer~EDson(:0)~[>< U.K.
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its important to find out whether the \'lines\' are in scan direction/ or only through Radf or only from scan glass,
if the lines are only showing when documents are fed throught the Radf, then the problem lies with the document scan plate( left of the main glass platen (about 2" in width)) or with the scan plate blade cleaner
if the lines ONLY appear when copying from the Glass then the issue lies within the optics (probably nothing more than a clean will be needed)
another question would be to ask if the lines are solid (black line overprinting image) or if they are \'missing\' lines where the image has failed to copy, sometimes it can be hard to work out which side the fault lies,so try shaded greys as a copy original .
if the scan lines are appearing on both Radf and Glassplatten ,mode then the issue may be dirty optics/ccd sensor or it could e an indication of the ccd failing or image control pwb in error while interpreting the image file.
what to do
1) place a grey sheet of paper in the Radf and have the copier photocopy both sides of the original and print to single sided sheets ( so the printer turns the original over to complete the task)
observe the result.
2) have the copier photocopy directly from the platten glass- single sided.
observe the result.
ckeck to see if the error has appeared on both sets of prints ,
if the error has only appeared in the first set of prints then the issue may be a tiny DOT on the slit glass (left of platten) - a dot on this glass will indeed appear as a Line as the original is scanned across the glass.
It's possible that the black lines you're experiencing are an internal image adjustment issue with the scanner itself. If the scanner glass is otherwise clean, try going to the Canon DR2050/2080 utilities installed as part of the set up of your scanner and running the Adjustment Tool - it asks you to place the "adjustment paper" in the scanner. The term, "adjustment paper," appears to mean anything which has an image or text on it. Be sure you clean the scanner first before running this utility. It will have you put the "adjustment paper" through twice, and that in turn should remove the black lines in your scans, as long as there is no dust on the scanner glass. Office Depot sells cleaner sheets for laser and inkjet printers which also work on faxes and scanners and which will clean the glass for you.
The first thing that you should try is to calibrate the scanner. If you don't have the calibration paper you can use a blank white 8 1/2 x 11 sheet. This should clear it up. If it fails calibration after repeated tries you most likely have broken the lens or the image sensor is no longer working. If that is the case then there isn't much you can do i would suggest contacting the manufacturer and hoping that unit is still in warranty.
Is the scanner scanning normally otherwise? Try scanning a printed matter with white background and if it is okay, then the streaking may be because of excess brightness chosen. Check if the paper movement is at constant speed. If it is smooth paper, it may slip and the same area may scanned again, appearing like a streak.
First thing to try is just play with all the scan settings to see what gives you the best result - try changing resolutions, type of document, type of output document, contrast, brightness, type of scan.
If this doesn't give you any better results, then one of the best ways to do this is to get some plastic sheet of the same or almost the same as the predominant colour on your forms (you can go one step further and make a multi coloured filter if you are feeling creative and your forms are all identical).
The text jumps out of the page and most scanners will give you a good scan - just make sure the filter is not too thick/dark.
Hope this helps :)