Question about Canon CanoScan LiDE 500F Flatbed Scanner
Scanner does not scan - returns error message about releasing lock switch, detaching interface cable and reconnecting...Scanner driver will be closed. Error code 2,179,0.
The only time it has started a scan it has moved only 1 cm before returning to the "docking position" and displaying the above message.
I had the exact same problem with another scanner (LiDE 80) after years of use. It stopped being able to calibrate itself so I couldn't use it on computers where it had never been installed on before (since on freshly installed computers, the driver requires calibration to be carried out at least once).
Hopefully my solution will work on the 500F, albeit with some modifications you'll have to figure out yourself. :P
What I did was open it up, the two strips of plastic to the left and right of the platen can be used to remove the glass surface:
1. release the oval catch at the front of each strip by prying them upwards.
2. slide the glass towards the front of the scanner a bit till a gap appears between the end of each strip and the back of the scanner.
3. pry a bit of the back of both strips upwards and keep them away from the glass so they won't stopped by the back of the scanner.
4. slide the glass all the way to the back, you should be able to remove the glass since the two plastic strips aren't blocked anymore.
The reason the scanner fails to calibrate is because it tries looking for the black/white strip hidden between the plastic case and glass panel at the front but fails. There are three possible reasons:
1. Dirty glass panel/damaged black/white strip
2. Covered/dirty CIS module
3. Loose drive belt
Mine was a combination of the first three. A little washing and thorough drying of the glass panel and black/white strip and careful wiping of the imaging element and led strips (the black bar is the imaging element and the white bar is the led strips) fixed the problem.
I didn't have a loose drive belt, so I didn't look into fixing that, but I see a spring loaded catch holding the drive belt tension; if you have a loose belt, it may be worth it looking into that.
A tip of advice: If somehow, after reassembling your scanner after tinkering with it it still refuses to calibrate, you can do a dirty workaround by doing the calibration with the scanner disassembled and placing the black/white strip manually above the CIS module at the front, making sure to hold it steady. Your images will look a bit muted, but at least it works! (I did this step before I reassembled the scanner just in case it wasn't fixed, but thankfully its working now!)
Posted on Jun 29, 2010
Check the lock switch and make sure it is unlocked. I think the lock switch is on the bottom...or it may be under the lid near one of the hinges. Flip it back and forth and leave it in the unlocked position.
If this doesn't work, then it will most likely need service. Contact Canon Tech Support.
Posted on May 09, 2008
I too had a similar issue, and was quite
frustrated by this. But I checked for some solution over internet and figured
that these models have some minimum value of power required. So checked my PC
too had different USB jacks with different powers. So I tried them in different
jack and it worked.
So try the scanner in different PC USB jacks and do not connect this scanner using and USB hub.
Hope this helps !!
Posted on Sep 16, 2013
I had this problem, tried all of the solutions suggested here and other places without success, but now have finally fixed it.
1. Uninstall scanner
2. Cycle lock switch on and off twice, leaving it unlocked
3. Connect scanner to different usb port DIRECTLY on the computer
4. Scan something (it will scan correctly this time)
5. You may now reconnect it to whatever usb port/hub you were using before
Posted on Apr 15, 2013
I had the same problem.
I followed the steps in one of the solution and did this and it worked!
What I did was open the two strips of plastic to the left and right of the platen. So that we can remove the glass surface:
a clearer description of the whole process.
1. pull the oval shaped catch upwards. Oval shape tabs are at the front end. Pry the 2 strips upwards and remove the 2 strips completely. One on the left and one on the right. The strips are actually stuck on to the glass by double sided tapes so slowly pull them upwards and do not break the 2 pieces of plastic.
2. slide the glass towards the front of the scanner (to where the moving scanner bit is) for about 2cm till a gap appears and the back of the glass can be seen. Slide the glass out and clean it.
3. Make sure that the black and white strip is full black and full white. After cleaning with wet towel, the water droplets caused the image scanned to be off colour as the wet are and dry areas have different tone of white. The imaging part uses the black/white strip as a reference. So any inconsistency will show. Also make sure that the scanning strip is dust free
4. i pushed the imaging part around slightly (2-3cm) to make sure that it works. (i know i'm not suppose to force it around but i was curious) I saw that the lock at the bottom actually locks the moving scan part. So if it locks the scanning part, no wonder it doesn't move. So i unlocked it, open the application and tested it. It started moving and scanning and it worked beautifully! somehow the imaging part moved and returned to the original position so do not worry.
5. Cleaned the glass, the white/black strip start reference and the 2 side strips. Tested the quality on the program again to make sure everything is back to normal. Pasted everything back with double sided tape. Viola!
Thank you guys for shaing and i definitely learnt from this. Hope this sharing help others as well.
Posted on Jan 11, 2011
I had the same exact problem with my scanner. This is how to fix this error.
First, make sure you delete the driver that you probably installed from the CD. Reboot your computer at least twice. On the second boot up- make sure the scanner is unlocked and you have the USB cord connected. I did a registry clean right after I deleted the driver, I don't think that really did much but made my computer a little faster. But it may have helped.
My computer operating system is Windows XP. It appears that when you run the driver on the CD for Windows XP it can't seem to recognize the scanner in windows. So you need to find the driver online at Canons website. Make sure when you download the driver that you get the right one from the country where you purchased it. Then, go into Windows Control Panel, click on Printers and Faxes, below, there is a section called Other Places- Scanners and Cameras. Click on Scanners and Cameras. At this time you will see where windows recognizes the scanner and you will hear it actually connecting!
Posted on Nov 11, 2008
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