Press and hold the button (red triangle), then press and hold the Power button.
: Many "free" downloads of service tools found online are hosted on untrusted sites and may contain malware or viruses hidden in encrypted archives.
Click the button at the top of the Main tab to print out a diagnostic sheet confirming the counter reads D=000.0 (which means 0%). Close the Canon Service Tool software. canon service tool v3900 download top
Manually resetting the internal counter for the waste ink pads.
(indicating the ink absorber is full), this tool can reset the internal counter to allow the printer to continue operating. Important: Official Source Advisory Canon does Press and hold the button (red triangle), then
Note: Avoid running V3900 on unauthorized "single-use" budget cartridge models like the MG24xx, MG25xx, or E4xx lines, as doing so can permanently corrupt their logic boards. Resetter: canon service tool V4410 | PrinterKnowledge
: It triggers high-pressure ink flushes to clear severe blockages inside the nozzles. Complete Model Compatibility List Close the Canon Service Tool software
Connect the printer directly to your PC using a . (Wi-Fi connections do not work in Service Mode).
The primary function of Service Tool V3900 is . Inside every Canon inkjet printer, there is a waste ink absorber pad that soaks up excess ink during cleaning cycles. When this counter reaches a pre-programmed limit (triggering error codes like 5B00, 5B01, P07, or E08 ), the printer locks down to prevent overflow.