Canon imagePRESS C800 Series Technical & Service Manual page 43

3. From the normal user interface select [Go to the service mode] to switch back to engine
service (during printing).
4. The coloured bar on the Dashboard in the normal user interface indicates the engine service
mode during printing is still active
5. To leave the engine service mode and return to the normal user mode, select [Leave Service
Mode].
Engine service mode (during printing)
Chapter 4 - Using the PRISMAsync 43