Introduction    Printer
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 GetPrinter()    Gets printer state
 IsPrint()       Determines if print is loaded
 pAddFile()      Adds a file to the print files'queue
 pDelAll()       Deletes all the Print files'queue
 pDelFile()      Deletes a the Print files'queue
 pError()        Indicates if the queue of Print is stopped by any mistake
 pQueue()        Returns the Print's queue
 pRestart()      Restarts the Print's queue
 PrtScr()        Prints the current screen
 ToPrint()       Prints a string on the Printer