Kyocera FS1750 - Manual (Page 83)

4.1. Toner Kit Replacement
4-5
5. Locate the new waste toner bottle in the toner kit,
and install in the printer as shown right.
☛
Do not cap the new waste toner bottle.
Insert the new waste toner bottle with the bottle
tilted slightly towards you as shown in the figure.
6. After ensuring that the bottle is correctly installed,
close the side cover.
New Waste Toner Bottle