20 Most Recent Quartet gbc 4220S Shredder Questions & Answers

There is a sensor in the bin area of the machine that is faulty. If you have cleaned the bin area completely and still have that problem then the sensor is bad and will have to be replaced. Look on the manufacturer website for the replacement part.

Oil periodically using special shredder oil. It goes on the paper as you shred it. Dont overload the shredder. Empty regularly. Dont wait for it to shut off due to being full. Check your owners manual for other particulars for this make and model.

This is how a got my hard to fine gear!

Contact Michael Business Machines for your local dealer 1-800-223-2508

Good luck, Tom

Check swich door , if door is open the machie stopped for securyti of the operator . the swich is closed whith the door is closed , good luck

check for a scrap of paper jamming the small lever to the forward micro switch

Its the thermal cutout that rides on the underside of the roller .Take the covers off and access it from the rear . Its the one on the right from the rear view. Remove the two screws from the front under the bottom roller and it will fall loose . get on e-bay and you can buy a new one .

You would need to lubricate the unit by running through oiled paper or by spraying oil directly into the feed opening and then running unit in reverse for at least 2 minutes Good luck