minolta Di 2510 not works in twain

[tashima]

i have an di 2510 used. it´s print normally in usb mode but i don´t know how to do works as scanner, it takes the two memories in the rear pwb but when i press the scan button the machine display´s need to add an device . please if somebody connect any of these machines with sucess please post any help
thanks

[nmfaxman]

USB only supports printing.
Network it to make scanning work.