Probably it is a loose knob, take out the knob and put paper or any other material to increase the pressure. see it it works. otherwise glue the knod:)
Copyright © 2024 QA.XPDF.PUB - All rights reserved.
Answers & Comments
Probably it is a loose knob, take out the knob and put paper or any other material to increase the pressure. see it it works. otherwise glue the knod:)