Twain problems Canon IXUS 400

[ianwatkinson]

I have just bought an IXUS 400 - v nice camera
Running Win2000 Pro with latest patches SP4 etc from MS.

Zoombrowser runs fine, but normal twain apps such as photoshop refuse to see the camera - the canon twain drivers open a window after clicking on the canon camera usb selection under import in Pshop then another window pops up and tells me it cannot find the camera - same with PSP6 and ACDC5 via twain. CanonPTP directori is in the windows\twain_32 directory fine. Also have SCSI flatbed and Canon2700 work fine under twain.

Control PAnel scannersd and cameras finds the device fine and knows its there.

Canon tell me that twain is ok as Zoombrowser works - however after much headscratching discovered duplicated dlls in zoombrowser directory so temporarily deleted the relevant Canon dir from the system twain_32 dir and Lo! the zoombrowser still wortks ( equals canon support talking a load of bull ) - zoombrowser does NOT use the drivers in system folder \twain_32!!!

Installed on a newly setup and much simpler config seperate pc - same OS version etc SAME PROBLEM!!! This PC has SCSI disks but no scanners or twain devices

Installed on a third PC same OS version etc - works OK ( no SCSI on this machine ) I am stumped.!!!!

Canon have no answers, Ive raked via my registry looking for clues, deinstalled and reinstalled ( even tho the sw was installed exactly as per theirt instructions in each of the 3 cases )

Anyone have a fix for this?? Is this a SCSI contention issue with the USB under twain

Its driving me mad - same hassle getting the 2700 to work - the canon website info for installing drivers was obviously written by someone who has never attempted to do this under win 2000!!

General Canon opinion - nice kit, flakey drivers and appalling support.

Any feedback gratefully acknowledged