A 'Carriage Jam-Open print carriage access door. Clear Jam, and then press OK' message displays on the product control panel. The carriage assembly, which holds the cartridges, stalls on one side or in the center of the product.
You might also experience the following symptoms:
The product won't print.
Printing stops unexpectedly.
A paper jam might have occurred previously.
The product makes loud grinding noises.