Printronix ThermaLine Series - Manual (Page 349)

8–17 Error Codes
89 EXPAND parameters out of bounds or format error
The parameters of the Expand command are improperly specified. Either the
parameters are out of bounds, or some type of format error was detected. The
command is ignored, and processing continues.
156 No such CONFIGuration option
170 PAPER command syntax error
171 Invalid PAPER parameter error – out of range