Some Wasp scanners can capture picture data and transmit over a RS232 or USB-COM connection. The following documents describe the protocol and commands.

http://dl.waspbarcode.com/kb/scanner/Image-Capture-Protocol.pdf

http://dl.waspbarcode.com/kb/scanner/Image-Capture-Host-Commands.pdf

This article is intended for scanners in the family including WWS750, WDI4200, WDI4600 and others. Not all Wasp scanners have this feature.