Step 1 Check the sensor (narrow media) and sensor (fuser buckle) for proper connection and damage, and replace if necessary. Does the problem remain? | Go to step 2. | The problem is solved. |
Step 2 ![](https://publications.lexmark.com/media/ids_assets/images/transparent.png) Enter the Diagnostics menu, and then navigate to: Printer diagnostics & adjustments > Sensor tests ![](https://publications.lexmark.com/media/ids_assets/images/transparent.png) Find the sensor (Fuser buckle) and sensor (Narrow media).
Does the sensor status change while toggling the sensor? | Go to step 4. | Go to step 3. |
Step 3 Check the sensor cables for proper connection and damage, and replace if necessary. Does the problem remain? | Go to step 4. | The problem is solved. |
Step 4 Replace the sensors. Does the problem remain? | Contact the next level of support. | The problem is solved. |