Fix a network printer showing as offline in Windows 7, 8 or 10

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As we see some time network printer showing offline:-but where in other machines on the network can access it fine. I originally thought it would be an printer driver issue, but it turned out not to be anything to do with that. In fact, the solution was far easy – but also slightly different.

In Windows by it self automatically enables SNMP support for network printers, and if it can’t get a response to a SNMP message then it assumes the printer is offline. SNMP (Simple Network Management Protocol) and is a way of getting information from network devices (such as routers, switches, servers and printers), mainly for the purposes of finding out if there are any problems with the devices. A number of networked printers implement SNMP, and will respond to SNMP queries with information, but some don’t. My printer (Cannon MF220) is one of the ones that doesn’t implement it – so of course window will never get a response to a SNMP message. The result of which is that the printer will start showing as offline at a seemingly random time because window has just sent a SNMP message to it, and it hasn’t responded.

Apparently there is a simple way to fix this – and it just involves telling window not to try and communicate with the printer via SNMP. Simply right-click on the printer in the Printers window, choose the Ports tab, and select Configure Port. At the bottom you will see a checkbox saying something like SNMP Status Enable. Untick that, and the printer should start showing as online again.

That should be it…but here are a few other tips/observations from people who’ve commented on this post:

• This has been found to work on a variety of versions of Windows including
• Windows 7
• Windows 8
• Windows 8.1
• Windows 10
• Windows Server 2003
• Windows Server 2008
• Windows Server 2012
• Window Server 2016
• You could need to be logged in as an administrator before you can change the SNMP status
• If you’re running Windows 8 then this could be the problem instead.
• If you find that this solves it for a bit but it keeps going offline again then editing the registry at HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Print and adding a new DWORD called SNMPLegacy with the value 1 and restarting may solve it.
• The issue can be caused even when the printer does support SNMP, but somehow the SNMP communications aren’t getting through – for example, due to a firewall or port configuration issue somewhere on the network.