This printer (or the user manual that accompanies the printer) is not extremely user friendly.   For example, the display screen presents error codes with no description.  The user's manual does not describe the error message and there are no listed steps to take to rectify the situation.  When attempting to troubleshoot, errors are still unable to be resolved.  To improve the quality and user-friendliness of this product, I would recommend a description of the error that is occurring, rather than a simple code.  If a code must be used, then the user manual and online resources should...