Canon iPF6100 Service Manual page 363

Chapter 4
d) Note on attaching ink tubes to the front duct
In attaching ink tubes to the front guides, insert joint [1] into guide [2] first and then attach them to the guides, making sure that the tubes are not broken or twisted.
The marks appearing on the tubes were used for factory assembly purposes and are not used for servicing.
[1] [2]
F-4-124
4-55