topic Printer Serial Number in Office Printers https://community.usa.canon.com/t5/Office-Printers/Printer-Serial-Number/m-p/185304#M4964 <DIV class="lia-message-body"><DIV class="lia-message-body-content"><P>Trying to download the lastest firmware update for my MF4820d printer and canon won't recognize the serial number on the printer and error serial number not recognized is displayed.</P><DIV>&nbsp;</DIV></DIV></DIV> Wed, 14 Sep 2016 13:42:38 GMT Yaashmit 2016-09-14T13:42:38Z Printer Serial Number https://community.usa.canon.com/t5/Office-Printers/Printer-Serial-Number/m-p/185304#M4964 <DIV class="lia-message-body"><DIV class="lia-message-body-content"><P>Trying to download the lastest firmware update for my MF4820d printer and canon won't recognize the serial number on the printer and error serial number not recognized is displayed.</P><DIV>&nbsp;</DIV></DIV></DIV> Wed, 14 Sep 2016 13:42:38 GMT https://community.usa.canon.com/t5/Office-Printers/Printer-Serial-Number/m-p/185304#M4964 Yaashmit 2016-09-14T13:42:38Z