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Old 03-29-2009, 05:25 PM   #1 (permalink)
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Default scanner/port problem with old compaq laptop

Hi, my scanner is doing my head in. Any help would be much appreciated. Apologies in advance for my general cluelessness...

I am using an old compaq presario 1200 laptop running windows XP. I have a second hand scanner that is causing me problems - it is a Canon CanoScan N640p ex. It is connected directly to the LPT1 printer port.

After installing winXP and the relevant drivers, the scanner worked fine, for a bit. However, I had unplugged it and now trying to use it again and it is giving me error messages: if I try to calibrate it says 'Printer port is used by another device' (I have never plugged any other device into that port); when I click 'preview' it gives me an 'out of memory error'.

Things I have tried already -
- uninstalling and reinstalling relevant canoscan driver
- uninstalling and reinstalling LPT1 through device manager (actually I didnt need to reinstall it seemed to do that automatically). (I uninstalled the scanner again as well)
- looking in the BIOS. I read somewhere else I should change the port settings there. Unfortunately there isnt any option about ports. Its a rubbishy BIOS :S
- changing settings in the port properties window in device manager

no effect. Therefore I ask your help... any ideas?
I just don't know why it thinks that port is in use by another device! arg stupid thing


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Old 03-30-2009, 10:17 AM   #2 (permalink)
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Default Re: scanner/port problem with old compaq laptop

Have your tried a different cable LPT1 cable? Could have shorted the original cable when unplugging it.

-Vista SME
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Old 03-30-2009, 10:55 AM   #3 (permalink)
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Default Re: scanner/port problem with old compaq laptop

Hi brightbird
I did some googling, and found a guy who seems to have solved the problem:
Scanner error

It seemed he accidentally "disabled a wrong service and stopped the spooler" in the scancraft software.

Hope this helps

Cheeseburgers everyone
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Old 03-30-2009, 01:57 PM   #4 (permalink)
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Smile fixed nice and easily - twas the service...


Thanks Keba, all fixed!

For future reference, it was a windows service (Print Spooler) that I had set to 'manual' in services.msc for some reason. Once I started it, scanner worked fine. Now set to auto!

Don't know why that didn't come up on my googling... oh well! Had me baffled.

Thanks again
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Old 03-30-2009, 10:09 PM   #5 (permalink)
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Default Re: scanner/port problem with old compaq laptop

Excellent that you got it solved, this was definitely a strange one.
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