Canoscan 9900F scanning negative film

I would say that you have a compatibility issue. The 9900F was released 13 years ago and the last driver that Canon made available was for Mac OS X 10.4. If you had it working on Mavericks then you may need to look at getting that OS installed again, either as a VM or second partition on your Mac or external drive.

It is indeed a compatibility issue because Canon refuses to upgrade/update drivers for so called out phased products. I Had the same issue with my Canoscan 9000F after upgrading to El Capitan, and the Canon support department bluntly said there won't be an update for this driver. There I was with a perfectly functioning scanner, degraded to a totally useless heap of plastic and copper. So I downloaded all the available drivers for this scanner from the Canon site, and tried them one by one and found one which worked. It took a couple of hours -half a day- but until now the scanner works well.

It is a fact of modern life that the software producer -which in this case is the hardware producer as well- decides for you when it is time to buy some new stuff.

good luck

Hans

hanyvo wrote:

It is indeed a compatibility issue because Canon refuses to upgrade/update drivers for so called out phased products.

How long do you expect a product to be supported for? You cannot install El Capitan on a Mac released 13 years ago.

hanyvo wrote:

I Had the same issue with my Canoscan 9000F after upgrading to El Capitan, and the Canon support department bluntly said there won't be an update for this driver.

The 9000F, released in 2011, is still supported by Canon. They have the ICA and TWAIN drivers for this scanner for El Capitan. So the Canon support department you spoke to were wrong, which is not surprising as they are often not Canon but outsourced companies offering first level support and have very poor Mac knowledge and no insight into future support plans.

Download and try the demo version of VueScan. If that version won't work with your scanner try the 32 bit version, VueScan 9.5 x32, which can be downloaded from the bottom of the page I linked to.

hanyvo wrote:

It is indeed a compatibility issue because Canon refuses to upgrade/update drivers for so called out phased products. I Had the same issue with my Canoscan 9000F after upgrading to El Capitan, and the Canon support department bluntly said there won't be an update for this driver. There I was with a perfectly functioning scanner, degraded to a totally useless heap of plastic and copper. So I downloaded all the available drivers for this scanner from the Canon site, and tried them one by one and found one which worked. It took a couple of hours -half a day- but until now the scanner works well.

It is a fact of modern life that the software producer -which in this case is the hardware producer as well- decides for you when it is time to buy some new stuff.

good luck

Hans

Look at the Flip side of the argument -- Apple doesn't want to add the hook - no reason why the last or only driver for a hardware device so that it can be used when they give the operating system a new name after adding some bells and whistles.

PAHU wrote:

How long do you expect a product to be supported for? You cannot install El Capitan on a Mac released 13 years ago.

I think that's a rhetoric question? An operating system's complexity is way beyond that of a simple driver, which doesn't imply that I underestimate the drivers tasks. It is not too difficult at all to count how often people searches on the support page for specific drivers which is a measure for the number of scanners still in use (or printers, or camera's etc).

It is not my business how Canon defines its support department, the information on the local website is just as bad and not shared with other websites. Which is worse.

hans