FujiFilm Quality Dry Photo Paper for Frontier-S DX100 Printer (Glossy, 4" x 213' Roll, 2-Pack) - Manual (Page 56)

Replacement Procedure
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
Open the cartridge cover on the right.
A warning buzzer sounds when you open the cover.
C
Be careful not to tilt the maintenance cartridge, and remove it carefully.
Push up, and then pull it out.
See the following for more information on disposing of maintenance cartridges.
U “Disposing of Used Ink Cartridges and Maintenance Cartridges” on page 20
Frontier-S Operation Guide
Replacing the Maintenance Cartridge
56