Panasonic UF-890/990 - Manual (Page 19)

Installing the Toner Cartridge
19
Inst
a
lling Y
o
ur
Mac
h
in
e
4
Align the arrow and the projection on both
sides as shown and insert the Toner Cartridge
into the machine.
5
Close the Printer Cover firmly.
6
If you are replacing the Toner Cartridge, it is recommended
to clean the Printer Roller to maintain good printing quality.
To clean the Printer Roller, follow the procedure on page
147.
Printer Cover