Error Handling; Overriding Media Feed Setup - Intermec EasyCoder 501XP Programmer's Reference Manual

Chapter 6 — Setting Up the Printer

6.17 Error Handling

When an
INPUT ON
Intermec Direct Protocol starts. By default, it handles fi ve error condi-
tions (see below). All other errors are ignored unless specifi ed by an
instruction.
ERROR
The general response to an error is to set the standard IN channel busy,
then turn off the "Ready" LED, and turn on the "Error" LED. The mes-
sage specifi ed for the error by the
of the fi ve error conditions listed above, a standard message in English
will be displayed if no other message is specifi ed by an
In most cases, the operator should acknowledge the error by pressing the
<Print> key on the printer.
The instruction activates error-handling for the specifi ed error
ERROR
type and allows you to write an error message, which will both be dis-
played in the printer's display window, and transmitted back to the
printer (according to selected verbosity and type of error message, see
Chapter 6.15 and 6.16).
ERROR <number>, "<message>"
<number>
<message>
Example:
ERROR 43, "MEMORY
↔ ↔
Five error conditions are always handled without having to be activated
by an instruction:
ERROR
Out of paper:
A message is shown in the display and a beep is emitted. The printer
waits for the printhead to be lifted and lowered, then a formfeed is
performed. If this formfeed produces an error, the process starts all over
again.
No fi eld to print:
A formfeed is performed. If the formfeed produces an error, the error-
handling starts all over again.
70 Intermec Direct Protocol v7.80 Programmer's Reference Manual
instruction is executed, the error-handler of the
ERROR
is the error number (see Chapter 10)
is a text string enclosed by quotation marks.
Maximum 33 characters with line wrap:
Character 1-16 specifi es text in the upper line in the display.
Character 17 is not displayed.
Character 18-33 specifi es the text in the lower line.
OVERFLOW" ↵
↔ ↔ ↔ ↔ ↔ ↔ ↔
instruction is displayed. In case
ERROR
instruction.