护照过期是可以申请枫叶卡的： One (1) primary identity document
A copy of one of the following:
your valid passport or travel document or
the passport or travel document you held at the time you became a permanent resident (including your passport’s page that was stamped when you arrived in Canada and became a permanent resident) or
the certificate of identity or travel document issued by the Minister of Citizenship and Immigration Canada or a foreign country.
只要把你成为永久居民时持有的护照复印就可以了。