Select the Spooler (Print Jobs)--> Manage Local Printer Subsystem--> Virtual Printers--> Add a Virtual Printer menu option. SMIT prompts you for all values.
Note: For more detailed information on defining a virtual printer, see "Initial Printer Configuration" in AIX Version 4.3 Guide to Printers and Printing.
smit tty
export PIOTERM=your-terminal-type-here
qadm -U Queuename
If the printer is online, stocked with paper, and resetting it does not correct the problem, contact your system administrator.