Contents, cont'd. - Intermec

PRSTAT
Chapter 2 Program Instructions
Field of Application Function returning the printer's current status or, optionally, the
current position of the insertion point.
Syntax PRSTAT[()]
1 Returns the X-position for the insertion point at DIR 1&3.
2 Returns the Y-position for the insertion point at DIR 2&4.
Remarks The printer's status can be indicated by a numeric expression, which is the
sum of the values given by the following conditions:
OK ...................................................................... 0
Printhead lifted ..................................................... 1
Label not removed ................................................ 2 See note 1.
Printer out of paper ............................................... 4
Printer out of transfer ribbon ................................. 8 See note 2.
Printhead voltage too high .................................. 16
Printer is feeding ................................................ 32
Note 1: Always returns 0 in printers not fitted with a label-taken sensor.
Note 2: Always returns 0 when direct thermal printing is selected.
If two error conditions occur at the same time, e.g. the printhead is lifted and
the printer is out of paper, the sum will be (1+4) = 5. Every combination of
errors will result in a unique sum. You can use it to branch to a subroutine
which notifies the operator, interrupts the program or whatever you like.
If the PRSTAT function is appended by a numeric expression (= 1 or 2), the
current position of the insertion point in regard of either the X or the Y position
can be returned, depending on the selected print direction. This is useful for
e.g. measuring the length of a text or a bar code.
Examples This examples shows how two error conditions are checked:
10 A% = PRSTAT
10 IF A% AND 1 THEN GOSUB 1000
20 IF A% AND 4 THEN GOSUB 1010
30
.....
END
1000 PRINT "Printhead is lifted":RETURN
1010
RUN
PRINT "Printer out of paper":RETURN
This example illustrates how you can check the length of a text:
10 PRPOS 100,100: FONT "Swiss 721 BT"
20 PRTXT "ABCDEFGHIJKLM"
30 PRINT PRSTAT(1)
RUN
519
yields:
Intermec Fingerprint 7.2 – Reference Manual Ed. 3 183