NAD C521 CD Player "missing drawer solutions" Questions

NAD C521 discs not spinning My player was frequently failing to recognise CDs when i loaded them, even failing to recognise when there was no CD in the drawer. After removing the cover I realised this

...had a rubber band in between the bottom of the screw and the deck tray the other rubber band was missing. Could that be my problem? If so where do I find those tiny rubber bands? Thanks for the ...