While still holding Power, press the button 5 times (or 6 times for some G-series models). Release the Power button.
The printer should make a sound, indicating it is resetting. Turn the printer off and back on again. Risks and Precautions
If you manage or repair telecom/embedded equipment that uses the Service Tool V3400 and you’ve heard about the “Better Chip” update, this post walks through a safe, practical process to download and install that update, plus troubleshooting and best practices.
Older or bootleg versions of service tools often fail to "see" the printer or, worse, can corrupt the firmware. V3400 is widely considered a stable version for older Pixma models (like the iP2770, MP237, and G-series), providing a between your PC and the printer’s internal logic. Key Features of V3400 Main Counter Reset: Clears the 5B00 or 1700 error codes.
Press and (red triangle/circle icon). While holding Stop/Reset, press and hold the Power button . Keep holding Power, then release the Stop/Reset button . service tool v3400 download better chip
While holding Power, release Resume and press it 5 times (6 times for some MG series).
: The first and safest place to download such tools is usually the official manufacturer's website or authorized distributors. This ensures you get legitimate software and reduces the risk of malware.
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To use the tool, you must first put your printer into : Turn off the printer but leave it plugged in. While still holding Power, press the button 5
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: Clears the internal counter back to 0%.
With the printer off but plugged in, hold the Stop/Resume button, then hold the Power button.
When your printer registers that the ink pads are full, it locks itself down for safety. Service Tool V3400 sends a hardware-level command to clear this lock, instantly reviving a "dead" printer. Compatible Canon Printer Models Turn the printer off and back on again
Release the button while continuing to hold the Power button. Press the Stop button 5 distinct times.
Verify your printer model against the v3400 compatibility sheet.
Release the Stop button, then press it 5 or 6 times (depending on the model).
