Canon Service Tool V3900 -

The most critical step in utilizing the Service Tool is placing the printer into . The tool will not communicate with a printer in standard "User Mode."

| Error Code | Description | Resolution | | :--- | :--- | :--- | | | The tool cannot detect the printer. | The printer is not in Service Mode. Repeat Section 4.1 carefully. Ensure timing of the Resume button presses is exact. | | Error 005 | Unsuccessful communication/Write fail. | Disconnect power, reconnect USB to a different port, and restart the PC. Re-enter Service Mode. | | Not Supported | Wrong model for this tool version. | Verify printer model. iP2770 requires v3900; iP1900 requires v2000, etc. | | Error 009 | Ink absorber full hardware error. | Resetting the counter is not enough; physical waste ink pads may need cleaning/replacement. | canon service tool v3900

Clears the internal counter that tracks waste ink levels. The most critical step in utilizing the Service

The green light should flash and then stay solid, indicating you are in Service Mode. Using v3900 to Reset the Waste Ink Counter Repeat Section 4