Canon PRISMAsync v3.2 Technical & Service Manual page 54

Restart the copier only
[14] Error 11506 in Normal mode
2. Press [Go to the service mode]
3. The next screen will appear.
[15] 11506 in Service screen and engine off
4. Press the [Sleep] button to reset the error.
5. From this point on you have the same situation as previously described (Restart copier in
Service Mode).
NOTE
In some cases the system needs to reboot the engine (max. 2x) to reach the correct start-up
situation.
54 Chapter 5 - Start, shutdown and restart the system
PRISMAsync V3.2