My Canonscan 5000 goes through the motions of scanning a document, but then prints just black sheets of paper, no printing of document at all. I have downloaded new drivers, uninstalled the program and reinstalled it again. Unplugged all cables and replaced these. Any ideas of what is happening and how I can fix this?
The mystery is solved!!
I live in Norway and my CanoScan 5000F has worked brilliantly until it suddenly started to display a black preview in ScanGear, black scanning and to no surprise,- a completely black printout.
My first thought was that the scanner-lamp had died,- but that was strange because I hadn't used the scanner that much. I hadn't made any changes to my computer system either. The operating system (Windows XP), scanner software and drivers were exactly as before. I made a new testrun and saw the light come on from the side of the scanner and move along the platen as usual. The sound and operation of the scanner seemed to be all normal. A quick check on the internet revealed that there were many other guys out there who had experienced the same problem. Some had tried new drivers, uninstalled and reinstalled, but to no luck. I also tried the same method, but was stuck with the same problem.
I have a background as an electronic service-engineer, and this mystery really gave me a good challenge. Why did so many people experience the same thing? Why couldn't Canon answer and give a reasonable explanation to the phenomenon? What was the common factor in all these cases?
Every scanner is connected to the mains via a power-unit. Mine is European standard with type nr. PA-08E. It is labelled with output DC 12V (stabilized!) and a rated current of 1.25 A at this voltage.
I brought the power-unit to my lab for a test. When I measured the voltage without any load (no scanner connected) it read 12 V as stated,- so it seemed to be ok. But when I connected a load (a car light bulb 12 V / 3 W - equivalent to a current of just 0.25 A), the lamp just barely glowed and the voltage (that should be 12 V constantly) dropped to just 4 V.
This proved without any doubt that the power-unit was defect. It could no longer maintain a constant 12 V during load.
I had a variable power-supply in my lab that could be set to 12 V and connected to the scanner for a test. But Canon had made a very peculiar connection to the scanner by using a rare male power plug (with a center (+) pin inside). Normally a round hollow (female) plug is used on such power-units. So I cut the DC cable a few centimeters from the power-unit, split the two leads 4 cm apart and dismantled 1 cm of insulation from each end. On my power-unit one of the leads were marked all the way with text, and this one proved to be the minus (-) lead connected to the outer (metal) part of the DC plug. The two ends were connected to my power-supply (with correct polarity!), and the other end with the DC plug were connected to the scanner. Power-supply was switched on and my computer system was restarted. I opened the Paint Shop Pro program, clicked 'Twain Acquire' and the ScanGear CS window appeared. After this insident a calibration of the scanner is required: Close the lid with no document inside, click 'Advanced Mode >>' down right and then 'Settings' / 'Quality' / 'Calibration'. The scanner will do some adjustments for a few seconds and finish when the small calibration window close.
At last my CanoScan 5000F came back to life again. The preview was normal, and the scanned images as superb as they had been before.
Conclusion: Do not throw your scanner away! Buy a new power-unit with DC 12 V stabilized and at least 1.25 A. Brand is not important as long as it is of good quality and correct voltage/current, but cut and use the cable and plug from the defect power-unit as I described earlier. Remember to isolate the connecting area (+ and -) firmly.
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If the black dots appear on every sheet of paper it could be the fuser unit is wearing out or the drum unit. The way to check that is to stop a print half way through and remove the paper. If they are not there before the fuser unit but after it then it will be the fuser. Or if they are there before the fuser unit it will be the drum unit. If it they only appear specfic to one source then it is likely to be the source of the document. IE copying - check the optical area (scan glass etc). If on incoming Faxes it may well be the sender that has the problem and is just transmitting them to you. Hope this helps.
Sometimes using technical jargon makes it harder for people to understand each other (this applies to both askers and answerers).
I always advise askers to use normal language as much as possible and answerers to do the same and where jargon is unavoidable, to explain as they go along.
Please post again to clarify what you mean by "..a duplex to pdf..", in normal language not in technical jargon.
A PDF is not a real, physical document. It is a digital document on a computer or a webpage created in PDF format.
A Duplex document is a real document, printed on both sides of each sheet of paper.
If you are trying to scan a multiple page Duplex Document using the Sheet Feeder of your scanner, the ink on the reverse side may be getting caught up in, affecting and/or staining one of the rollers in the Sheet Feeder.
The bottom roller in most non-industrial Scanner Sheet Feeders expects to touch only the plain reverse side of a sheet of paper as it is passed through and turned over to rest on the Platten (scanning surface) of the scanner ready to be scanned.
Multifunction printers with built in scanners and sheet feeders and duplex printing capability are designed in a way that makes them more forgiving of dealing with duplex printed paper.
Duplex printing printed in a laser printer is less likely to cause a problem as long as it is allowed to dry thoroughly. Inkjet printing that is allowed to drry thoroughly should also be okay.
If the scanning is being attempted very soon after printing, then the wetness of the printing may be the problem.
Sheet Feeders that handle duplex printed sheets invariably become stained and need periodic cleaning.
If the document is not too long, you may have to scan it manually, page-by-page.
If the document exists as a PDF somewhere on your computer or on the internet, then it is unclear why you would need to scan it. This is why your question is puzzling.
Post a further comment, if this answer does not help you solve the problem.
after reading the manual, http://www.lexmark.com/publications/pdfs/2007/2400/ug_en.pdf, yes it is possible - not that it tells you how to do it though so read on. Until you become familiar with the process just use one sheet of paper at a time in the printer. As you know, in the scanner the top right of your document goes to the right hand front corner of the scan bed (the clear window), place the page on the scanner and scan. Pick up the printed sheet of paper and flip it so the left hand side edge is now in your right hand and the right hand edge is now in your left hand and you are now looking at the blank side of the paper. Insert the page back into the sheetfeeder. Flip the page to copy in the scanner so the rearmost edge of the paper is now to the front of the scan bed and the front edge of the paper is now towards the rear (you should now be looking at the page you scanned previously). Scan the page. you should have now scanned both sides of one sheet of paper to another sheet of paper. as your printer does not have a sheet feeder for the scanner you have to do the process manually. hope this helps.
Black Print Speed:---------
Total Media Capacity:----
Max Resolution (BW):----
600 x 600 dpi*********
Being laser-based, the SCX-4100 is a more economical choice over bubble jet printer whose cartridges are expensive in comparison to their durability. But be mindful that the SCX-4100 is a black-and-white device – so no color printing/copying for you, although it obviously scans color documents. The toner cartridge is good for about 3,000 copies, a figure that can increase 40% with toner management software (included). The device has a main paper tray that holds 250 sheets up to legal size. You can manually feed a sheet at time into a slot right above the front paper tray, and there’s also a rear slot for jam-prone material, like envelopes and transparencies. Unfortunately, the SCX-4100 lacks an automatic document feeder. Thanks. you can rate this solution and show your appreciation.
Put the pages in the "multiscan" all at once, not just one sheet at a time. The Automatic Document Feeder (ADF) will feed one sheet of your document at a time untill all of the pages are scanned...
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If this is an old printer. The nozzles might be clogged. A Q-tip with a little alcohol might get some of that dried ink out. Be careful it could get messy. Also see if your printer has a built in cleaning test. you might have to access the test from the printer tools on your computer.
Sounds to me your print head is plugged up. This is not usual though because the majority of people use black ink much more. So, in your printer utility, do a deep cleaning. If that does not work, there is a thing called a purge unit in it. This is a usual way of draining waste ink to a pad that soaks it up. if the hose, or other parts are clogged, it backs the ink up and causes the print head to clog. If this is the start of it, do not waste your ink cleaning, and try not to let it sit too long. Contact canon, and let them kno what you think it is.