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One of the following descriptor read errors occurred:
The specified descriptor file was not found.
The reference authority for the descriptor file was not found.
Before setting a descriptor name by using the Setting the descriptor name function, check whether an attempt was made to execute the Output processing function, etc.
Check that the descriptor name specified in the Setting the Descriptor Name function is valid.
Check that the name of the directory that contains the descriptor specified for MEDDIR in the printer information file is valid.