When I landed in Canada, as my record of landing, I got "certified true copy" for my filled COPR. (stamped photocopy of my original filled COPR)
that's the only document I got as my record of landing at Airport.
But when I visiting "Service Ontario" for my health card,
they denied it, and ask for Original.
It's really strange that you didn't get the original.
I don't know whether Service Ontario should be accepting the certified copy. If you can't resolve this issue, then you can use the application for "replacement of an immigration document", IMM 5545:
