Service Mode Canon NP is used when we reset the
Error Code, set the paper size (cassette), and even control
the heat / temperature in Copiers

I'm sure you already know how to open the
Service Mode, but
not I wrote something here so that others
can know, ok
do the following:
 


1. Open the front
door of the machine (front cover) and enter
something on the door
switch actuator for
blocking it (