https://community.usa.canon.com/t5/Office-Printers/Very-slow-network-scanning-MF4570dn-Cisco-Catalyst-2960/m-p/215867#M6234 <P>Good day everyone.&nbsp;There is a MFP Canon mf4570dn. Everything worked fine, one day scan speed has decreased significantly.&nbsp;More precisely, the scan goes as usual, but processing in MF Toolbox (the green loading bar) goes longer than necessary.&nbsp;When scanning a large stack of documents, it takes a very long time.&nbsp;The MFP is connected via LAN, tried on USB (works quickly) ... What could be the problem?&nbsp;Tried to reset all the settings on the printer, reinstalled the driver, rebooted the switch (dpi does not affect) PS: Switch Cisco Catalyst 2960</P> Fri, 04 Aug 2017 04:06:43 GMT Chaarat 2017-08-04T04:06:43Z https://community.usa.canon.com/t5/Office-Printers/Very-slow-network-scanning-MF4570dn-Cisco-Catalyst-2960/m-p/215867#M6234 <P>Good day everyone.&nbsp;There is a MFP Canon mf4570dn. Everything worked fine, one day scan speed has decreased significantly.&nbsp;More precisely, the scan goes as usual, but processing in MF Toolbox (the green loading bar) goes longer than necessary.&nbsp;When scanning a large stack of documents, it takes a very long time.&nbsp;The MFP is connected via LAN, tried on USB (works quickly) ... What could be the problem?&nbsp;Tried to reset all the settings on the printer, reinstalled the driver, rebooted the switch (dpi does not affect) PS: Switch Cisco Catalyst 2960</P> Fri, 04 Aug 2017 04:06:43 GMT https://community.usa.canon.com/t5/Office-Printers/Very-slow-network-scanning-MF4570dn-Cisco-Catalyst-2960/m-p/215867#M6234 Chaarat 2017-08-04T04:06:43Z