Turn off your printer. Do not unplug it from the power source. It must remain plugged in to receive the service mode commands.
Unplug the USB cable, restart the printer, and re-execute the Service Mode button sequence carefully. Ensure no other printing tasks are stuck in the Windows print queue. Error Code: 002
: The printer model is not supported by this specific version of the utility. Important Safety Note canon service tool v5302
: If replacements aren't available, you can remove the felt pads, wash them thoroughly in warm water, dry them completely in the sun, and reinstall them.
This signifies that the software detected a physical USB device, but the machine is not actively in Service Mode. Ensure you carefully follow the button-press sequence outlined above. If the error persists, the printer's primary firmware version may be too locked down to allow access via V5302. Error Code 005 Turn off your printer
: You can click the EEPROM button to print a status sheet. Check that the "D" (Distance) value is now D=000.0 , confirming the counter is reset. Common Error Codes
The is a specialized diagnostic software created for authorized technicians, but often used by repair shops and advanced users. Its main purpose is to communicate directly with the printer's EEPROM (Electrically Erasable Programmable Read-Only Memory) to perform maintenance tasks. Key Features of v5302: Unplug the USB cable, restart the printer, and
For the hobbyist technician running a legacy Canon PIXMA MG2520 or TS3120, the is a lifeline. It turns an otherwise dead printer (due to a software counter) back into a fully functioning machine. It represents the conflict between manufacturer-enforced obsolescence and consumer repair rights.