RTC Real Time Clock not reporting time or date

Article ID: 74126948



Topic or Information

QL+ RW Real Time Clock functionality

Applies To

QL Plus and RW Series Mobile Printers


In order to utilize the real time clock  for the QL+ printers or RW printers Real Time Clock, the time and date need to be initially sent to the printer. The time can be set with the SET-TIME command.

Example: ! U1 SET-TIME 08:31:00 or ! U1 setvar "rtc.time" "08:31:00"

The date can be set with the SET-DATE command.

Example: ! U1 SET-DATE 04-29-2006  or ! U1 setvar "rtc.date" "04-29-2006"

Please note that there is no battery backup for the clock.  If one removes the battery, the time will need to be reset.


+ Product Codes

  • P4T Mobile Printers
  • P4T Mobile Printers
  • QL Series Mobile Printers
  • QL320 Mobile Printer
  • QL420 Mobile Printer
  • RP4T RFID Printers
  • RP4T RFID Printers
  • RW 220 Mobile Printer
  • RW 420 Mobile Printer
  • RW Series Mobile Printers