![Installing the TWAIN Driver | User Guide | IM C300, IM C300F, IM C300FLT, IM C400F, IM C400SRF, IM C400FLT Installing the TWAIN Driver | User Guide | IM C300, IM C300F, IM C300FLT, IM C400F, IM C400SRF, IM C400FLT](http://support.ricoh.com/bb_v1oi/pub_e/oi_view/0001082/0001082137/view/driver/image/dzx609.gif)
Installing the TWAIN Driver | User Guide | IM C300, IM C300F, IM C300FLT, IM C400F, IM C400SRF, IM C400FLT
![IrfanView stopped recognizing any scanner driver / TWAIN source after either Windows 11 22H2 update or after installation of faulty scanner driver - Super User IrfanView stopped recognizing any scanner driver / TWAIN source after either Windows 11 22H2 update or after installation of faulty scanner driver - Super User](https://i.stack.imgur.com/dQ55p.png)
IrfanView stopped recognizing any scanner driver / TWAIN source after either Windows 11 22H2 update or after installation of faulty scanner driver - Super User
![Installing the TWAIN Driver | User Guide | IM C300, IM C300F, IM C300FLT, IM C400F, IM C400SRF, IM C400FLT Installing the TWAIN Driver | User Guide | IM C300, IM C300F, IM C300FLT, IM C400F, IM C400SRF, IM C400FLT](http://support.ricoh.com/bb_v1oi/pub_e/oi_view/0001082/0001082137/view/driver/image/dzc096.gif)