Question about Canon DR 3020 Path-Through Scanner
I have many years repairing canon scanners so here is my suggestion to you.
First does the scanner power up? If so that's eliminates a internal power supply problem.
Second did anyone change the dip-switch settings on the back of the scanner? Ill assume no on that one.
Third when you first boot up your computer do you see a screen when the computer is in boot up mode that says Adaptec SCSI and then a number? If not here is a couple things to check. First I would check the SCSI cable is good. No bent pins in the connector and no exposed wires coming out of the connector. If you can try swapping a good known working cable with the problem scanner. Second try re seating the SCSI card if that doesn't work do you have another card that you know works that you can swap into the problem computer. After swapping the cable first test to see if the scanner scans, then if you replace the card again retest to see if the scanner scans.
Lastly and I have seen this happen, the drivers may get corrupted if new software is installed that relates to scanning. You may want to google DR 3020 drivers that should pull up Canon's web site and reinstall the drivers. Once you install the latest drivers then reboot the computer and test it to see if it now scans.
Im sure one of my suggestions should correct your problem. I hope this helps you out.
Posted on Apr 01, 2011
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Posted on Jan 02, 2017
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