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The Service Tool V3400 will not work unless your printer is in . Follow these steps carefully: Turn off the printer (but leave it plugged in). Press and hold the Stop/Reset button. While holding Stop/Reset, press and hold the Power button. Release the Stop/Reset button (while still holding Power).

View the internal log of your printer to diagnose hardware issues.

Using provides a "better" path because it is non-invasive. You aren't risking damage to the logic board with a soldering iron; you are simply recalibrating the internal software to recognize that the waste pads have been serviced. Important Precautions

If you’ve ever been in the middle of an urgent print job only to be stopped by the dreaded "Ink Absorber Full" error, you know how frustrating printer maintenance can be. Error codes like or P07 usually mean your printer thinks it’s reached the end of its life, even if the hardware is perfectly fine.

While the software resets the counter , it doesn't magically clean the ink. If you reset the printer multiple times without physically cleaning or replacing the felt waste pads, ink may eventually leak out of the bottom of the unit.

Most versions come in a .zip or .rar file. Extract it to your desktop.