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Hi all,
I’ve implemented an Applet that make scanning request via driver TWAIN. I’m using Ricoh MP 161 scanner.
Looking the specifications of MP 161 scanner I can see that permit MultiTIFF scanning but when I try to set the Capability ICAP_IMAGEFILEFORMAT to TWFF_TIFFMULTI, it doesn’t work. The same with ICAP_COMPRESSION Capability, I can’t set this parameter to TWCP_JPEG or TWCP_GROUP4.
These are the two only parameters that can’t set, I can set Resolution, CAP_FEEDERENABLED, ICAP_SUPPORTEDSIZES, ICAP_CONTRAST, etc.
An other thing is that I would like to start manually the scanning process from the scanner, do you know how?
Can you help me?
About the supported parameters, try running Twister
The rest of TWAIN is pretty complicated, but what programming language are you using to access TWAIN?
If it is C++, take a look at http://www.codeproject.com/KB/audio-video/twaintest.aspxHi,
Try to set ICAP_XFERMECH to TWSX_FILE first.
Anyway check capability ordering here:
https://www.twain.org/docs/CapOrderForWeb.PDFPay attention on the fact that for TWAIN drivers (<=2.0) should have slightly different order - ICAP_IMAGEFILEFORMAT is before ICAP_PIXELTYPE
@st08147 wrote:
Hello,
First of all, thanks for your reply.
I’ve used Twister to check what cababiltes suports the scanner, so I checked that multiTIFF scanning and TWCP_JPEG or TWCP_GROUP4 for ICAP_COMPRESSION is not possible.
The other thing that I’m still researching about how to start manually the scanning procees from the scanner, do you knoy anything about it?
Best Regards,
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