VEVOR STB12A Manual Del Usuario página 7

 Choose the comb according to the thickness of the document. The
following form is for your reference to choose the proper comb.
MAINTENANCE
Clean up the waste bin
The waste bin, which is located at the back of the machine, is dedicated for
the waste of punching. The frequency of cleaning up the waste bin
depends on the frequency you use the machine.
1.Pull out the waste bin from the back of the machine
2.Pour the waste into the rubbish bin.
3.And insert the waste bin again.
Please clean up the waste bin frequently!
- 5 -