Introduction In the world of printer maintenance, particularly for Canon’s inkjet lineup, few tools are as revered—and as controversial—as the Canon Service Tool V4720 . This utility program is the key to unlocking advanced maintenance modes, resetting ink absorber counters, clearing service errors (like the dreaded 5B00 or 5B01), and performing nozzle checks beyond the standard user interface.
Introduction In the world of printer maintenance, particularly for Canon’s inkjet lineup, few tools are as revered—and as controversial—as the Canon Service Tool V4720 . This utility program is the key to unlocking advanced maintenance modes, resetting ink absorber counters, clearing service errors (like the dreaded 5B00 or 5B01), and performing nozzle checks beyond the standard user interface.