button, and turn it back on. Continue holding for 10–20 seconds until the Attention light stays lit. Calibration
If you absolutely need the specific Toolbox features (like calibration or cleaning), you can try to extract the official installer files to run them without a full system install. Note: This requires some technical know-how and may not work on Windows 10/11 due to missing registry entries. hp color laserjet cp1215 series toolbox download portable