The is a proprietary software utility designed for Canon technicians to perform low-level maintenance and diagnostics on Canon inkjet printers. Unlike the standard drivers or the My Printer software provided to consumers, the Service Tool operates outside the normal printer firmware limitations.

To use Service Tool v5306, the printer be placed into Service Mode manually before launching the software. If the printer is not in Service Mode, the software will return error codes like 005 or 006 . Common Service Mode Entry Steps:

data, which contains the printer's entire history, including error logs and exact page counts. Calibration

Note: Some tools require manually setting the counter value to zero; others have a “reset” button.

: If the wrong sequence is performed too many times, the printer's motherboard can become permanently "locked" in service mode, requiring a physical chip replacement. step-by-step guide