Intermec EasyCoder 501XP Programmer's Reference Manual page 77

Head lifted:
A message is shown in the display and a beep is emitted. The printer
waits for the printhead to be lowered, then a formfeed is performed. If
the error stopped a print operation, the operation will be restarted auto-
matically.
Out of transfer ribbon:
A message is shown in the display. The printer waits for a ribbon to be
loaded. If the error stopped a print operation, the operation must be
restarted.
Next label not found:
A message is shown in the display. The printer perform formfeeds as long
as the error remains detected. After fi ve formfeeds, the printer stops and
waits for the operator to press the <Print> key.
Note: Error handling and error messages specifi ed by
instructions are not saved in the printer's permanent memory,
but must be transmitted to the printer after each power-up.
Intermec Direct Protocol v7.80 Programmer's Reference Manual
Chapter 6 — Setting Up the Printer
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