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The EEPROM (Electrically Erasable Programmable Read-Only Memory) stores vital printer configuration data. The tool can:
If you reset the counter but the error returns within weeks, you must replace the pad. Here is a condensed guide for the MG2500 series:
: Allows users to read and save printer settings or clear the EEPROM data entirely.
The (also known as ST4905) is a proprietary, unofficial software application designed to communicate with your Canon printer’s service mode. It is a variant of the popular "Service Tool" series (versions v3400, v3600, v4700, and v4905).
Compatible with a wide range of PIXMA models including: IP Series: iP2700, iP2770, iP4800, iP7240, and more. MG Series: MG3540, MG3670, MG5770, MG7770, etc.. MP Series: MP230, MP250, MP280, MP287. MX Series: MX320, MX397, MX410, MX497, MX537. G Series: G1000, G2000, G3000.
: Allows users to read and write EEPROM data or print maintenance reports.
The is distributed in a grey area. Canon never authorizes end-users to access service mode. However, in many countries (including the US under the Magnuson-Moss Warranty Act), using third-party tools for maintenance does not automatically void warranty unless the tool directly caused damage.
