Instructs the printing system to reject print jobs destined for the specified destination printer
reject command belongs to the CUPS suite and is used to instruct the printing system to reject print tasks sent to the specified target printer.
reject(option)(parameter)
-E: Force encryption when connecting to the server;
-U: Specify the user name used when connecting to the server;
-h: Specify the connection server name and port number;
-r: Specifies the reason for rejecting the print job.
Destination: Specify the destination printer.