Konica Minolta magicolor 1690MF - Manual (Page 170)

Replacing Consumables 7-7
Note
Do not touch the contact
indicated in the illustration.
Note
Dispose of the empty toner cartridge according to your local
regulations. Do not burn the toner cartridge.
For details, refer to “About Toner Cartridges” on page 7-2.
9
Check the color of the new toner cartridge to be installed.
10
Remove the toner cartridge from the bag.
11
Shake the cartridge a few times
to distribute the toner.
"
Make sure that the toner
roller cover is securely
attached before shaking
the toner cartridge.