PX940 Applicator Interface Installation Instructions 7 
10 Service 
required
Output Goes LOW during every status that keeps the 
printer from printing:
• Printhead lifted
•Ribbon out
•Media out
• General print engine fault
• Front arm lifted
• Verifier calibration required
• Verifier calibration expired
• Exceed maximum barcodes
• Verifier hardware error
• Verifier failure action prompt
11 End print Output Drives an applicator or other external device 
requiring synchronization with the print 
cycle. Choose between five types of output 
signals:
• Mode 0: Applicator port is OFF.
• Mode 1: Asserted LOW only when media is 
moving, otherwise de-asserted HIGH.
• Mode 2: Asserted HIGH only when media is 
moving, otherwise de-asserted LOW.
• Mode3 (Default): Asserted LOW for 20ms 
when label has finished printing and 
positioned. Not asserted during continuous 
printing.
• Mode 4: Asserted HIGH for 20 ms when label 
has finished printing and positioned. Not 
asserted during continuous printing. 
12 Media out Output Goes LOW when the printer is out of media.
13 Ribbon out Output Goes LOW when the printer is out of ribbon.
14 Data ready Output Goes LOW when ready to print. De-asserted 
HIGH when printing stops after the current 
label.
15 Verification 
failed 
Output
Goes LOW when the printer encounters 
Verification failed error.
Goes HIGH when the error is cleared.
Pin Signal Type Description