"Printer 0 Not Ready" message on the Connect+ Series and SendPro P-Series

Products affected:
Connect+ 500W, Connect+ 1000, Connect+ 2000, Connect+ 3000, SendPro P1000, SendPro P1500, SendPro P2000, SendPro P3000

The meter displays error "Printer 0 Not Ready" and will not print.

Paper jams or obstructions can cause this issue.

Select Clear to remove the error from the screen.
Fix any printer-related issues, such as paper jams, printer cover open, obstruction to the print carriage, etc.
Close the printer and try printing again.

UPDATED: August 14, 2021