Error-Handling Principles - Intermec ESim v4.20 Programmer's Reference Manual

Appendix A — Error-Handling

Error-Handling Principles

Th e fi rmware is able to handle a number of error conditions. Code num-
bers represent the diff erent error cases.
Th e printer controls output of the error code and its format and wait
until the error recovery is performed for each special error-code.
Error action source
A: Command errors
Th e biggest group of error codes is command format and data informa-
tion error. It exists errors of type "Syntax error" to more sophisticated like
"Form or image name duplicate". (See error type A.)
B: Printing error
Print out error occurs, when the printing the label not is correct per-
formed, such as "Out of media", "cover opened", and "cutting not
completed". (See error type B, C, and D.)
C: Status
A status error performs normally not a true error case, but in some matter
it has to be detected. A typical case is "LTS-detection waiting". (See error
type E.)
D: Special modes
Some special feature errors will hang the printer for ever or have a
complete other output. Typical of this group errors are: "Flashing not
completed" or "Dump mode". (See error type F and G.)
Error action output information
Th e error code will often be written in the upper left corner of the label,
like "ERR01". Th e control LED will go orange or red.
Serial Port (RS-232 or USB)
Output on serial line when error occurs is depending on some setup com-
mands.
Th e Command UN and US turn off or on most of the error output
information.
Th e Command eR specifi es the format of the error output information.
Parallel Port
At an error, the parallel port will mark error status by setting pin 12 in
active state.
148 Intermec EasyCoder ESim v4.20—Programmer's Reference Manual