Error-Handling Principles; Error Types - Intermec EasyCoder PD4 Programmer's Reference Manual

Appendix A — Error-Handling

Error-Handling Principles

The firmware is able to handle a number of error conditions. Code num-
bers represent the different error cases.
The 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
The 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 correctly per-
formed, such as "Out of media", "printhead lifted", 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
The error code will often be written in the upper left corner of the label,
like "ERR01." The Error LED will go red and the display (if any) shows
information on the error.
Serial Port (RS-232 or USB)
Output on serial line when error occurs is depending on some setup com-
mands.
The commands UN and US turn off or on most of the error output
information.
The command eR specifies 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.
150 ESim v5.12 for EasyCoder PD4—Programmer's Reference Manual