FujiFilm Quality Dry Photo Paper for Frontier-S DX100 Printer (Glossy, 4" x 213' Roll, 2-Pack) - Manual (Page 75)

Cannot Clear the Displayed Error
If an error is displayed that cannot be cleared, follow the steps below to restart the printer.
A
Check that the printer's light is on. Turn off the Power switch (the light turns off).
If you cannot turn off the power using the switch, unplug the power cable.
Frontier-S Operation Guide
Troubleshooting
75