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#1
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Forum Member Group: Members Posts: 14 Joined: 20-February 07 Member No.: 2,248 ![]() |
I finally made the jump from XP to Windows 7 64-bit.
I installed PMView 3.64 64-bit and everything works fine, except I cannot acquire from my Canon 8400F scanner, which also has new 64-bit drivers. Neither the Select Source nor the Acquire menu choices do anything when I click on them. I confirmed that TWAIN_32.dll is in the Windows directory. Other programs, such as the Canon Toolbox, Pixwizard, and Photoshop Elements, use the twain driver with no problem, so I don't understand why PMView, doesn't. I use PMView constantly, so it's a little inconvenient to have to use a different program to scan. |
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#2
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Forum Member Group: Members Posts: 14 Joined: 20-February 07 Member No.: 2,248 ![]() |
I've found an answer to my problem by searching the web. It seems that 64-bit applications cannot use 32-bit twain drivers and virtually all twain drivers are 32-bit, even if the actual scanner drivers are 64-bit.
I guess I'll have to wait for Canon to release 64-bit twain drivers. I won't hold my breath. In the meantime I'll have to make do. Everything runs noticeably faster on a 64-bit system and I'll never go back to 32-bits. ![]() |
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#3
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![]() Forum Member Group: Admin Posts: 672 Joined: 14-March 00 From: Wilmington, North Carolina Member No.: 3 ![]() |
I've found an answer to my problem by searching the web. It seems that 64-bit applications cannot use 32-bit twain drivers and virtually all twain drivers are 32-bit, even if the actual scanner drivers are 64-bit. Correct. This is why the PMView installer lets you choose to install *both* the 32- and 64-bit versions on the same machine. Use the 32-bit version when you need access to your scanner and the 64-bit version for everything else. -------------------- Peter Nielsen (peter@pmview.com) "If you can dream it, you can do it" JFK.
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Lo-Fi Version | Time is now: 28th April 2024 - 02:36 AM |