device.serial_numbers.control_panel_date

device.serial_numbers.control_panel_date

This command returns the date the control panel was made.
This command is functional only on printers that had their control panel manufacturing date programmed when they were created. Older printers that do not have the control panel creation date programmed will return a
"?"
or empty string.

Getvar

To return the date the control panel was made:
! U1 getvar "device.serial_numbers.control_panel_date"
Result
The date in mm/dd/yyyy format.