https://www.usa.canon.com/support/canon-product-advisories/vb_firmware_108
Canon Support | Firmware Notice: VB-M641VE/VB-M641V/VB-M640VE/VB-M640V/VB-M741LE/VB-M740E Firmware...
Find updates to your Canon products. See the Firmware Notice: VB-M641VE/VB-M641V/VB-M640VE/VB-M640V/VB-M741LE/VB-M740E Firmware Ver. 1.0.8 at Canon U.S.A., Inc.
canon supportfirmwarenoticevb