[Python] Low level read out the image sensor (linear array) from a flatbed scanner [closed]

I use python and the sane module to read a flatbed scanner. I can make the handshake and set the resolution and the ROI, and then perform a scan with snap. That is all fine. Snap is the only reading method I can find. When I call snap it also includes movement to and from the docking position each time it is called. Is there a way to skip the movement and just read and send the scanner data?

I wrote (chat GPT in fact) several snippets, I could not find a low level read method though. It is now suggested to reverse engineer the code by debugging the communication, but to me that seems a long route. Can anyone help me find a low level read statement in the sane module

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