How to set up IPv6 printing without breaking your existing print queues

Office networks have been migrating to dual stack IPv4 and IPv6 for several years, with newer deployments increasingly IPv6 first. Office MFPs from the past five years generally support IPv6 alongside IPv4, but enabling IPv6 on the device without thought to the existing print queues can cause an outage that takes hours to diagnose. The procedure below sets up IPv6 printing in parallel with the existing IPv4 queues, verifies both paths work, and lets the network team retire the IPv4 path on its own schedule.

Why parallel setup matters. Removing the IPv4 configuration from the device or from the print queue before verifying IPv6 works produces an immediate office wide outage. The parallel approach keeps the office printing while the IPv6 path is validated, and lets the migration happen on the IT team's schedule rather than during an emergency.

Enable IPv6 on the device

Five step IPv6 enablement on the device side

Verify firmware supports IPv6. Check the OEM portal for the device's IPv6 support status. Most office MFPs released after 2019 include IPv6 support, but older firmware on these devices may not have enabled it by default.
Open the device's network settings menu. The IPv6 configuration usually lives under Network Settings, TCP/IPv6, or similar. Confirm the protocol is set to enabled.
Choose IPv6 address assignment method. Three options usually appear: SLAAC (stateless autoconfiguration), DHCPv6, or manual. SLAAC works in most office environments where the router advertises a prefix.
Confirm the device receives an IPv6 address. After enabling, the device should display both a link local address starting with fe80:: and a global address starting with the network prefix.
Note the IPv6 address. Record both the link local and global addresses for the next step. The global address is what print queues will target.

Verify the device is reachable over IPv6

Before configuring any print queues to use the IPv6 address, confirm the device responds on the new path. The check takes 30 seconds from any workstation on the same network.

ping -6 2001:db8::1234 Replace the address with the device's actual global IPv6 address. Successful response confirms the device is reachable.

Test-NetConnection -ComputerName 2001:db8::1234 -Port 9100 PowerShell test of the print port over IPv6. Success confirms both connectivity and that the print service is responding.

A successful ping with a failed print port test indicates the IPv6 connectivity is fine but the device's print service has not bound to the IPv6 interface. The fix is usually a restart of the network stack on the device, or a firmware update that adds IPv6 binding for the print service.

Create a parallel print queue for IPv6

Adding the IPv6 queue alongside the existing IPv4 queue

Open Devices and Printers on the Windows machine. The existing IPv4 queue remains in place.
Add a new printer manually. Choose Add a printer using TCP/IP address or hostname.
Enter the device's IPv6 address. Use the bracketed format if Windows requires it, for example [2001:db8::1234].
Select the same driver as the existing IPv4 queue. Confirm the driver supports IPv6, which most current drivers do.
Name the queue to distinguish from IPv4. Add a suffix such as -v6 to the queue name. Print a test page to confirm output.

Test the parallel configuration thoroughly

Before retiring the IPv4 queue, exercise the IPv6 queue across the full range of jobs the office runs. Print from each major application, run a duplex job, send a colour job, scan to email if the workflow uses both v4 and v6, and confirm finisher actions complete. Each of these exercises a different code path that may have subtle IPv6 issues.

Two specific tests catch most issues. The first is a large print job, ideally 50 pages or more, which exercises the TCP connection handling under sustained load. The second is a job submitted from a different subnet, which exercises the router's IPv6 forwarding. Both should complete cleanly before considering the IPv6 path production ready.

Common issues during the transition

Print queue stalls intermittently

The most common transitional issue is a print queue that succeeds on most jobs but stalls occasionally. The cause is usually a firewall or router that handles IPv4 and IPv6 traffic with different timeout values, with IPv6 timing out faster than the device responds during a long job.

Fix. Increase the print port timeout on the Windows side, and check the IPv6 stateful firewall settings on intermediate devices. Most enterprise firewalls have separate timeout values for IPv4 and IPv6 that need aligning.

Device drops off the IPv6 network periodically

Some office MFPs honour the IPv6 lifetime values advertised by the router strictly, and lose their global address when the lifetime expires before being renewed. The result is intermittent connectivity that resolves when the next router advertisement arrives.

Fix. Either configure the device to use DHCPv6 with a longer lease, or set a static IPv6 address with a reservation in the router. Static addresses avoid the autoconfiguration timing edge cases entirely.

Scan to folder fails over IPv6 but works over IPv4

Scan to folder relies on SMB, which historically has had patchy IPv6 support on some implementations. The scan queue establishes the connection over the device's preferred protocol, which may be IPv6 first if both are available.

Fix. Confirm the file server has SMB over IPv6 enabled. On Windows Server, this is on by default but can be disabled by Group Policy. Alternatively, configure the scan destination by IPv4 address rather than hostname to force the v4 path while leaving print over v6.

Retiring the IPv4 queue once IPv6 is stable

After the IPv6 queue has run for several weeks without issues, the IPv4 queue can be retired. The retirement involves three steps: communicate the change to users, update any login scripts or Group Policy that map the IPv4 queue, and remove the IPv4 queue from each workstation. The IPv4 address on the device can remain in place, since dual stack devices do not consume additional resources for the unused stack.

Most offices keep the IPv4 address configured on the device for the foreseeable future, even after Windows print queues all point at IPv6. The dual stack continues to handle scan, fax, and administrative connections without conflict, and provides a fallback path if any IPv6 issue emerges later.

When the IPv6 setup encounters firmware limitations

Older office MFPs that nominally support IPv6 sometimes have subtle limitations: support for SLAAC but not DHCPv6, support for IPv6 print but not IPv6 scan, support for global addresses but not unique local addresses. Each limitation appears as a specific feature failing while others succeed, which can be confusing during diagnosis.

Reviewing the device's OEM specification sheet for the specific IPv6 feature matrix surfaces these limitations before they cause production issues. For devices nearing end of life, the IPv6 limitations may be a factor in the replacement timing decision, particularly for offices migrating to IPv6 first networks.

Continue with the network and driver cluster

This piece handles IPv6 print setup. The preceding pieces cover related Windows and protocol issues: offline Windows fixes, print spooler reset, driver compatibility notes, and SMB authentication fixes. The cluster closes with how to fix WiFi Direct when it stops working on your office MFP.