Symbol 6227 from IEC 60417 - Title/Meaning: Copying, reversal black-to-white Function/description: To identify the control to make a copy black-to-white reversed and to indicate the corresponding copying mode.
Additional information: 
See also the symbol IEC 60417-5411.
Own work using: iso.org/obp/graphics/grs/8194e89c-a034-4997-a13e-69bc8766e08e 200.png
Vectorization:  Mrmw