FujiFilm Quality Dry Photo Paper for Frontier-S DX100 Printer (Glossy, 4" x 213' Roll, 2-Pack) - Manual (Page 49)

Replacement Procedure
c Important:
Install ink cartridges into each slot. You cannot print if any of the slots are empty.
A
Check that the printer's light is on.
If the light is flashing, the printer is operating. Wait until all operations have stopped.
B
The ink light indicates if it is necessary to replace the ink cartridges.
In this example we are replacing the Y (yellow) cartridge. The procedure is the same for the other colors.
C
Open the cartridge cover on the side that needs to be replaced.
A warning buzzer sounds when you open the cover.
Frontier-S Operation Guide
Replacing Ink Cartridges
49