Since you have tried the above solutions already, I would suggest that you call into our support departmenat @ 1-800-821-2797 or 1-800-835-6100.
I have the exact same problem, I already tried the recommended solutions and still not working
I searched our online knowledge and found to articles below for offline messages. If you are still having issue after trying these solutions pleas consider calling into our support department.
I've managed to instal the driver and print a few days ago and today when I tried to print, everything was connected as before but the printer says it's offline. I have tried restarting everything and it still doesn't work.