AX = 0104h
Return: CF = 1 if error
            AX = Error Code
                01h function invalid
                02h file not found
                03h path not found
                04h too many open files
                05h access denied
                08h queue full
                09h spooler busy
                0Ch name too long
                0Fh drive invalid
        DX = Error count
        DS:SI -> print queue (null-string terminated
                 list of 64-byte ASCIZ file names)
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