We may have found other answers which could help you.
Click here for Gbc 4250 Laminator
Laminator gbc ultima 65 How to reinstall a power switch?
GBC Ultima 65 laminator?
how to fix GBC Ultima 65 roller that won't heat up?
GBC Docuseal95 heats up but rollers wont turn?
How can I repair my GBC Pinnacle 27?
GBC 4250 No Power?