Chapter 3 — Designing Bar Code Labels
26 ESim for the PC4 and PF8 Printers Programmer’s Reference Manual
The question mark (?) following the FR command is required for
printing any fields edited in Form Edit mode that contain variables or
counters. If no question mark is transmitted, all fields containing
variable input are omitted from the printout.
Variables and counter start values must be defined, either by
programming or by user input.
To have the printer prompt the operator to enter data, use the serial
interface for communication between printer and host and send a UI
command after each power-up, as shown.
Printer Prompt Command Explanation
CR/LF to start command structure
UI Enables prompts command (optional)
UI80,001 Printer returns code page status
FR “TEST”
Retrieve form
?
Call for variables
Enter Product
name:
EASYCODER
Substitute variable V001
Enter Model
number:
501SA
Substitute variable V01
100001
100000
Reset, accept, or enter 2 counter start
value C0
Number of label
sets
Prompt
P1 Ignore
P1
Enter P and quantity of labels
Copies of each
label
Prompt
1
2
Enter number of copies
Note: The optional Keyboard Display Unit automatically sends the UI
command at power-up.
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