SERVICE MANUALS LINKS - post here -Compliments of PeterBJ

[Orfeous]

Searching for service manual for Canon Pixma Pro-10

 

[The Hat]

Searching for service manual for Canon Pixma Pro-10

You won’t find one, because there isn’t one..

 

[websnail]

Searching for service manual for Canon Pixma Pro-10

Closest thing you'll find is this disassembly guide for the Pro-100:
https://www.printerknowledge.com/threads/canon-pro-100-cabinet-removal-procedure.14918/

I've noticed that the Pro-10 and Pro-100 seems to be incredibly similar in terms of case design, so it may well be enough to get you where you need to go.