Canon imageCLASS D1650 All-in-One Monochrome Laser Printer - Manual (Page 317)

Adjusting Balance between File Size and Image Quality
(Data Size)
3JX3-061
You can specify the file compression ratio when converting scanned originals into
the JPEG format. makes the compression ratio higher than
normal to create smaller files with lower image quality. On the other hand, Image Quality Priority> makes the compression ratio lower than normal larger files
with higher image quality.
Saving Data to a USB Memory Device
Specify the setting
Sending Data by E-Mail or Saving Data to the Server
Specify destinations in / Select in the tab
Specify the setting
LINKS
Basic Operations for Scanning Originals(P. 281)
Scanning
309