: Facilitates service-level test prints to check nozzle alignment and performance. Compatibility and Requirements
While it extends the life of the machine, users must still manually clean the physical ink pads to prevent internal leaks. Canon Service Tool V3400 -v 3.4 0.0 Download- Extra Quality
Greyed out service tool - InkJet Printers - PrinterKnowledge : Facilitates service-level test prints to check nozzle
A direct USB cable connection between the printer and the PC is mandatory; wireless or network connections will not work for these service operations. How to Use Canon Service Tool V3400 Canon Service Tool V3400 -v 3.4 0.0 Download- Extra Quality