Canon imageRUNNER ADVANCE 8105 Series Manual page 179

3) Check if the spring is attached. If not, remove the spring that was fallen somewhere inside the machine.
4) Apply about 1 rice grain size (about 40mg) of Super Lube grease to the hook [1] of the new spring and
attach the spring.
[Replaced Part]
FC3-6713 BLOWN TENSION SPRING
[Added Part]
FY9-6005 GREASE, SUPER LUBE
pg. 179