Programmer's Reference Manual Intermec Fingerprint® v8.70.0 ...

Chapter —Program Instructions
HEAD, cont.
The second version of the HEAD function measures the dot resistance for
every dot in the printhead and faulty dots are reported to the system, so
you do not need to use a SET FAULTY DOT statement to report bad dots
one at the time. The PD41 will return 0, and will be empty.
Examples Read the resistance value of dot No. 5:
PRINT HEAD(5)
Perform a printhead check:
PRINT HEAD(-1)
Read the printhead’s mean resistance value:
PRINT HEAD(-7)
Check printhead for faulty dots and their respective resistance values:
A%=HEAD(B$)
yields for example:
Ok
PRINT A%
5
Ok
PRINT B$
25, 2944
42, 2944
106, 2944
107, 2944
140, 2944
Ok
11 Intermec Fingerprint v8.70.0/v10.0.0 Programmer´s Reference Manual