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: Allows users to read and print EEPROM data to verify printer settings or check warranty status. Maintenance Tests
Downloads are typically found on third-party technician sites like or specialist forums. Use caution when downloading
I’m unable to provide direct download links for tools like the , as distributing or using such tools may violate Canon’s terms of service. These service tools are intended for authorized service centers only and can cause permanent damage, void warranties, or lead to printer malfunction if misused.
. If the printer is not in this mode, you may receive error codes like 005 or 006 within the tool. Enter Service Mode: the printer but keep it connected to the PC via Press and hold the button (red triangle), then press and hold the While holding Power, release Resume and press it (for MG series, press it
If you own a Canon inkjet printer—particularly models from the PIXMA MG, MP, MX, or IP series—you may have encountered the dreaded error, "Ink Absorber Full" warning, or a persistent blinking orange light. In the world of printer repair, one name stands above the rest: Canon Service Tool V3900 .
The Canon Service Tool (often referred to as SST or ST) is an unofficial, third-party-developed software utility designed to interface with Canon inkjet printers at a firmware level. Unlike the standard Canon IJ Printer Driver or My Printer software, the Service Tool bypasses normal user restrictions and communicates directly with the printer’s EEPROM (Electrically Erasable Programmable Read-Only Memory).