Please try the following adjustment to see if we can resolve your issue:
1. Open the Devices and Printers applet in the Control Panel.
2. Right-Click on the Printer, choose 'See What's Printing', then select your printer.
3. When the print queue is displayed, click on 'Printer' on the upper-left corner and choose 'Use Printer Online'.
Once this has been done, try printing to test the unit.
If the offline message remains, please visit the following link below to contact our support group for additional assistance.
07/31/2023: New firmware updates are available.
05/31/2023: New firmware updates are available.
05/18/2023: New firmware updates are available.
04/20/2023: New firmware version 1.4.1 is available for EOS R3
03/30/2023: New firmware updates are available.
2/07/2023: New product announcements!EOS R8 EOS R50RF-S55-210mm F5-7.1 IS STMRF24-50mm F4.5-6.3 IS STMRF15-30mm F4.5-6.3 IS STM