CNQL1212_ClassicNotSeize.kext was installed improperly
October 25, 2009 at 10:00 am | In Mac OS X | Leave a CommentTags: 10.6, Canon, printer drivers, Snow Leopard
After installing Snow Leopard and the HP printer drivers software update, the following warning message appeared:
The system extension “/System/Library/Extensions/CNQL1212_ClassicNotSeize.kext” was installed improperly and cannot be used. Please try reinstalling it, or contact the product’s vendor for an update.
According to this thread on the Apple discussion boards, CNQL1212_ClassicNotSeize is an old kernel extension for Canon printers that is no longer compatible with—or needed for—Mac OS X. Since deleting the file, I haven’t seen the warning message again.
Canon scanner doesn’t work in Leopard
December 27, 2007 at 11:35 am | In Mac OS X | 8 CommentsTags: 10.5, Canon, CanoScan, driver, Leopard, scanner
After upgrading to Leopard, my CanoScan LiDE 60 scanner stopped working. This wasn’t much of a surprise; I figured I’d have to download a new driver after upgrading. What was a surprise, though, was how long it took to get the new driver to work!
Apple outlines the steps for installing the driver in Canon CanoScan scanners unable to scan. Unfortunately, Apple doesn’t tell you that you must remove the previous driver before installing the new one. Nor is this mentioned on the Canon web site.
If you don’t remove the previous driver, the ScanGear installer will hang during the install process. If you force the installer to quit and try to use the scanner, you’ll get the following error:
The necessary file could be missing or damaged, or the settings are incorrect. Reinstall the scanner driver. Scanner driver will be closed.
Fortunately, Canon provides a utility for removing the previous CanoScan driver. For the CanoScan LiDE 60, the uninstaller can be found in the disk image deldrvosx1510en.dmg, which is available from the scanner’s Drivers & Downloads page. Note that you will need to unplug the scanner’s USB cable during the uninstall process.
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