Canon Colorado 1650 Operation Manual page 366

Clean the guide plate and replace the foams and roller assy
IMPORTANT
Use the prescribed cleaning liquid. Do not use any other cleaners.
14. Dispose the gloves and cloth as chemical waste according to local regulations.
15. Take the new foams and slide them in place.
16. On the left end, push in a new plug and push in a new pin.
17. On the right end, push in a new plug and push in a new pin.
18. Push and click a new roller assy in place.
366 Chapter 9 - Troubleshooting and support