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You are here: MacNN Forums > Enthusiast Zone > Classic Macs and Mac OS > Canon Scanner and 9.1

Canon Scanner and 9.1
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Junior Member
Join Date: Mar 2000
Location: San Diego, CA, USA
Status: Offline
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Apr 29, 2001, 11:45 PM
My Canoscan FB630Ui scanner worked fine under 9.0.4 on my G4. I upgraded to 9.1 yesterday and now my Mac won't recognize the scanner. A pop up message appears saying "Scanner not connected or Switch is locked."

I've reconnected the scanner directly to the USB port on the back of my G4 with the same results.

I've moved the lock on the scanner back and forth many times with the same results.

I think it is software related but cannot figure out how. Has anyone else encountered this dilema and solved it? Thanks!
Senior User
Join Date: Mar 2001
Location: Toronto, Ontario, Canada
Status: Offline
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Apr 30, 2001, 12:09 AM
I don't have a scanner but I think you bring up a good point and hope someone helps you with it. I'm in the market for a scanner right now. And the one I'm interested in is the Canoscan U656. But I'm concerned about buying peripherals right now because I don't know whether or not they will work with OS X and as such, I've pretty much put aside most if not all peripheral purchases until all this settles itself out.

All I can say is this: I hate major across-the-board OS/hardware upgrades!! grrrr!! OS X better damn well last 10 years like Jobs promised.
Addicted to MacNN
Join Date: Mar 1999
Location: Bellevue, WA
Status: Offline
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Apr 30, 2001, 12:49 AM
My CanoScan N1220U works flawlessly on my iMac Rev.A and TiBook. Both systems are running Mac OS 9.1 and running on a AC-powered USB Hub. You may want to download the driver from the site and install it again. Hope this help


Performa 6116CD (60MHz, 72MB RAM, 700MB, A/V)
iMac Rev.A (233MHz, 256MB RAM, 50GB HD,TV/SCSI)
iBook Rev.A (300MHz, 288MB RAM, 3.2GB HD, 12.1)
PowerBookG4 (400MHz, 384MB RAM, 10GB HD, 15.2, Titanium)
Coming Up NeXT: 1GHz G4'Ver (SoLo Video System)
Mac Enthusiast
Join Date: Mar 2001
Location: Rotterdam,Holland.
Status: Offline
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Apr 30, 2001, 08:15 AM
I had exact the same problem with my Umax astra 3400,I had to download the latest driver to make it 9.1 compatible.Maybe that's your problem to?
I found my driver update at versiontracker and C.net.
Good luck!

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