: It can trigger deep cleaning cycles or "ink charges" to prime the lines in Megatank models when regular cleaning fails. Region and Model Changes
The Canon Service Tool V4905 is a proprietary, low-level utility designed by Canon for authorized service centers. Unlike the standard drivers and software available to the public, this tool communicates directly with the printer’s EEPROM (Electrically Erasable Programmable Read-Only Memory). Download Canon Service Tool V4905
Release both buttons. The power light should remain steady green. : It can trigger deep cleaning cycles or
While holding Power, release Stop/Reset and then press it 5 times (or 6 for some models). Download Canon Service Tool V4905
Reset or adjust ink sensor parameters.
