https://community.usa.canon.com/t5/Office-Printers/Wondering-why-new-Maxify-MB2320-stopped-taking-data-from-my-Mac/m-p/191638#M5204 <P>My MB2320 has been a super printer, but in a couple of months has quit. &nbsp;It turns on, (and now sometimes won't turn off, ie, won't respond to the off/on button, requiring pulling the power cord), and then continuously seems to be cycling it's start-up routine. &nbsp;After a few minutes of this repetitive cycling behavior, it gives a Support Code B504. The suggested power down/power up fix doesn't help, and I am directed to the Service Dept.</P><P>&nbsp;</P><P>I'm assuming I can't call them until Monday, as today is Sunday, and I assume they'll be off work today. Does anyone have any experience with this failure? Is it hardware, or firmware? If it's firmware, is there a component I can replace, or must it be done at a Canon service center? Any ideas or comment welcome!! &nbsp;Bob B.</P> Sun, 13 Nov 2016 22:53:40 GMT rbridge3 2016-11-13T22:53:40Z https://community.usa.canon.com/t5/Office-Printers/Wondering-why-new-Maxify-MB2320-stopped-taking-data-from-my-Mac/m-p/191638#M5204 <P>My MB2320 has been a super printer, but in a couple of months has quit. &nbsp;It turns on, (and now sometimes won't turn off, ie, won't respond to the off/on button, requiring pulling the power cord), and then continuously seems to be cycling it's start-up routine. &nbsp;After a few minutes of this repetitive cycling behavior, it gives a Support Code B504. The suggested power down/power up fix doesn't help, and I am directed to the Service Dept.</P><P>&nbsp;</P><P>I'm assuming I can't call them until Monday, as today is Sunday, and I assume they'll be off work today. Does anyone have any experience with this failure? Is it hardware, or firmware? If it's firmware, is there a component I can replace, or must it be done at a Canon service center? Any ideas or comment welcome!! &nbsp;Bob B.</P> Sun, 13 Nov 2016 22:53:40 GMT https://community.usa.canon.com/t5/Office-Printers/Wondering-why-new-Maxify-MB2320-stopped-taking-data-from-my-Mac/m-p/191638#M5204 rbridge3 2016-11-13T22:53:40Z https://community.usa.canon.com/t5/Office-Printers/Wondering-why-new-Maxify-MB2320-stopped-taking-data-from-my-Mac/m-p/234097#M6941 The same is happening with my MB2720 Sat, 03 Feb 2018 20:01:43 GMT https://community.usa.canon.com/t5/Office-Printers/Wondering-why-new-Maxify-MB2320-stopped-taking-data-from-my-Mac/m-p/234097#M6941 Pocketman 2018-02-03T20:01:43Z