NIIMBOT B3S Quick Start Manual page 5

Toggle the spindle to the "open" position as the arrow sign
3
indicates.
Slide the paper compartment baffle to the correct scale according
4
to the width of the paper roll and toggle the spindle towards
the blade.
After adjusting the paper compartment scale, the spindle must
be securely toggled to prevent any misaligned printing.
Spindle
Paper Compartment Baffle
Paper Blade
Print Head
Paper Compartment Scale
03 · 04