Canon NP6551 Operator's Manual page 80

Select a preset copy ratio.
2
MEMO: ●
To return to direct copying (100%), press the
[DIRECT] key.
Proceed to copy in the usual way.
(See "Making Copies," on p. 2-4.)
MEMO: ●
To return to direct copying (100%), press the
[DIRECT] key.
●
You can also return to direct copying by pressing
Reset
the
mode.)
key. (The copier returns to the Standard
2-41