12/10/2017

Acer Szw 3300u Scanner Driver Win7

Acer Scanner Drivers Download by Acer Inc. Acer scanprisa 640p (Windows 7 x64) [Parallel Port]. Acer S2W 3300U (Windows Vista). Acer S2W 3300U 4.04u. Because i want to use my scanner in operating system windows 7 and until now i dont have any drivers for this and. Driver Acer Scan. Scanmaster Elm Crack Keygen Nch.

This is just a FYI as I had just managed to get my own Acer 320U scanner up and running in Win8.1 x64. This driver also works in to Win10! The same drivers work for the following abandoned Acer/BenQ scanner models: • 310U/620U • 320U/340U/620U+/640U • 620UT+/640UT • 1240UT/5100U • 640BT/640BU • 4300U/3300U • 4300U/3300U x86 / 32-bit: x64 / 64-bit: (replace the INF with ) [2015-09-11] x64 with scan size fix by & newer INF: All drivers are unsigned and this poses a problem if you are using x64 as you will either need to completely disable the driver signing check or sign the x64 drivers yourself. I recommend the latter as it's actually quite easy! Some pointers: • The tools you need (makecert, Inf2cat, signtool) can be found in the and the.

You don't need to install everything! Just check the 'Tools' in both the web installers will do. • If you cannot download the SDKs due to filesize (~2.2GB), I zipped the 3 tools and you can download them.

But please download from Microsoft whenever possible. • When making your own cert using makecert, add the -pe parameter so that you can export the private key of the certificate later (useful for installing your own signed drivers again on a different PC in the future! To export, simply right-click your certificate in the MMC snap-in) • You need to use the newer INF in the Pastebin as the old one will not sign or validate correctly. To scan in Windows 8 after driver installation, simply go to Devices and Printers, right-click your scanner and click Start Scan. You can also use the Metro 'Scan' app, although previewing scans return a very blurry image. [2015-09-11] Collection of useful posts by other members in this thread: • McReall: • murch.

Thank you so much for this post. I got the scanner to work on Windows 7, 64 bit. Have you noticed that with this driver the scanner will only scan 'US letter' format (11' x 8.5')? A4 is about 11.7', so due to this glitch in the driver, the scanner has become worthless, since I can't scan a full page A4 any more (which worked with previous drivers on XP and W7, 32 bit). I tried to find an updated version of AcerScad.dll, which is the DLL providing the WIA interface for Windows, but didn't find anything. I looked at the DLL in a hex editor, but it's not clear where the obviously hard-coded paper format is set. Thank you so much for this post.

Acer Szw 3300u Scanner Driver Win7

I got the scanner to work on Windows 7, 64 bit. Have you noticed that with this driver the scanner will only scan 'US letter' format (11' x 8.5')? A4 is about 11.7', so due to this glitch in the driver, the scanner has become worthless, since I can't scan a full page A4 any more (which worked with previous drivers on XP and W7, 32 bit). I tried to find an updated version of AcerScad.dll, which is the DLL providing the WIA interface for Windows, but didn't find anything. I looked at the DLL in a hex editor, but it's not clear where the obviously hard-coded paper format is set. So sad.:-((I realized that as well.

The drivers came straight from a Windows XP x64 disc, so I'm guessing that when the driver is compiled for 64-bit systems the options to scan other dimensions were somehow left out. (I don't have a XP x64 machine or VM to test this.). Thank you so much for this post.

I got the scanner to work on Windows 7, 64 bit. Have you noticed that with this driver the scanner will only scan 'US letter' format (11' x 8.5')? A4 is about 11.7', so due to this glitch in the driver, the scanner has become worthless, since I can't scan a full page A4 any more (which worked with previous drivers on XP and W7, 32 bit). I tried to find an updated version of AcerScad.dll, which is the DLL providing the WIA interface for Windows, but didn't find anything. I looked at the DLL in a hex editor, but it's not clear where the obviously hard-coded paper format is set. So sad.:-((I'm sorry for bump this old topic, but first of all I need to thank you for this solution that prevent me to buy a new scanner. I have windows 7 64 bit and I have the same problem explained in that post, I can't scan an entire A4 page.

How can I solve this? Thanks again for all! Sorry for replying that late to an old topic, I think I found a solution to the paper size problem and I hope others will be able to reuse they old hardware using this solution. Disclaimer: I take no responsibility of this fix being applicable to your hardware, neither for accidental hardware damage caused by trying or applying this fix. Please carefully check the specification of all your hardware that might use this driver. The given scan area must support both A4 and Letter paper.

The fix: in the acerscad.dll file we are looking for the hardcoded size of Letter paper according to the WIA specifications (each dimension of the paper is given in milli-inches, i.e., pixels at 1000dpi). Explanation: Currently WIA_PAGE_LETTER is used in the driver, that is, 8500 by 11000 pixels. In hexadecimal terms that is 0x2134 by 0x2AF8. Note that the prefix 0x is common to denote hexadecimal numbers but you should omit that on the user interface of most hexadecimal editor applications. I will use bold for hex and italic for decimal numbers. Using a hex editor I located these values at positions 6559 to 655A and 6560 to 6561 btw.

F42F to F430 and F429 to F42A in the acerscad.dll file of size 108 032 bytes. Notice that numbers referring to the paper dimensions are in very close positions, which makes us guess they are not a piece of instruction in the code, but really the paper dimensions. Actually the values are stored in reversed byte order, so they read 3421 and F82A. If your scanner is capable of both scanning A4 and Letter paper, then it should be safe* to choose the maximum of the widths and the heights of the two page sizes. Considering that WIA_PAGE_A4 is 8267 by 11692 pixels ( 204B by 2DAC in hex terms), we will go with 8500 by 11692 pixels ( 2134 by 2DAC). Quick how-to: Now take a hex editor (search for one of your choice) and go to location 6560 to 6561 in the acerscad.dll file of size 108 032 bytes. Find the value F82A and replace it by AC2D, doing so you conform the reversed byte order needed by your machine.

Then go to location F429 to F430 and repeat the replacement and save the file. You are done editing; now you can install your brand-new driver supporting both A4 and Letter paper. If you are on a recent platform you should proceed with the driver signing process described by others to be able to install the driver. * Remark: Though my hardware scans perfectly at 500dpi, for the common 300dpi and 600dpi there are black lines at the bottom with the same fixed driver. Also it interrupts the scan of A4 paper in some applications with the latter resolution.

There is some conversion problem of non-integer milli-inch page sizes and Microsoft Paint seems to be the most tolerant with those errors. Sorry for replying that late to an old topic, I think I found a solution to the paper size problem and I hope others will be able to reuse they old hardware using this solution. Disclaimer: I take no responsibility of this fix being applicable to your hardware, neither for accidental hardware damage caused by trying or applying this fix. Please carefully check the specification of all your hardware that might use this driver. The given scan area must support both A4 and Letter paper. The fix: in the acerscad.dll file we are looking for the hardcoded size of Letter paper according to the WIA specifications (each dimension of the paper is given in milli-inches, i.e., pixels at 1000dpi). Explanation: Currently WIA_PAGE_LETTER is used in the driver, that is, 8500 by 11000 pixels.

In hexadecimal terms that is 0x2134 by 0x2AF8. Note that the prefix 0x is common to denote hexadecimal numbers but you should omit that on the user interface of most hexadecimal editor applications. I will use bold for hex and italic for decimal numbers. Using a hex editor I located these values at positions 6559 to 655A and 6560 to 6561 btw. F42F to F430 and F429 to F42A in the acerscad.dll file of size 108 032 bytes. Notice that numbers referring to the paper dimensions are in very close positions, which makes us guess they are not a piece of instruction in the code, but really the paper dimensions.

Actually the values are stored in reversed byte order, so they read 3421 and F82A. If your scanner is capable of both scanning A4 and Letter paper, then it should be safe* to choose the maximum of the widths and the heights of the two page sizes. Considering that WIA_PAGE_A4 is 8267 by 11692 pixels ( 204B by 2DAC in hex terms), we will go with 8500 by 11692 pixels ( 2134 by 2DAC). Quick how-to: Now take a hex editor (search for one of your choice) and go to location 6560 to 6561 in the acerscad.dll file of size 108 032 bytes. Find the value F82A and replace it by AC2D, doing so you conform the reversed byte order needed by your machine. Then go to location F429 to F430 and repeat the replacement and save the file. You are done editing; now you can install your brand-new driver supporting both A4 and Letter paper.

If you are on a recent platform you should proceed with the driver signing process described by others to be able to install the driver. * Remark: Though my hardware scans perfectly at 500dpi, for the common 300dpi and 600dpi there are black lines at the bottom with the same fixed driver. Also it interrupts the scan of A4 paper in some applications with the latter resolution. There is some conversion problem of non-integer milli-inch page sizes and Microsoft Paint seems to be the most tolerant with those errors.wow, thanks for the find. I'll try it when I can.

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And that's about the only reason im her right now, typing away atit.