Most Wi-Fi connection failures come down to the printer and computer being on different networks, an incorrect Wi-Fi password entered on the printer, a weak signal, or a router setting (like band steering or guest network isolation) blocking the connection. Confirming the network name, re-entering the password, and moving the printer closer to the router resolves the majority of cases.
Are your printer and computer really on the same network?
This is the single most common cause of Wi-Fi printing problems. If your router broadcasts more than one network — for example a 2.4GHz and 5GHz band, or a separate guest Wi-Fi — your printer and computer must be joined to the same one.
Many printers only support the 2.4GHz band, while phones and laptops often default to 5GHz. If your router shows two similarly named networks, check your printer's own network settings menu to see exactly which one it joined, then connect your computer to that same network. Guest networks are usually deliberately isolated from your main devices for security, so a printer on a guest network typically can't be reached at all.
Is the Wi-Fi password on the printer correct?
Printers are usually set up once and rarely reconnected, so an old or mistyped password is easy to overlook — especially if your router password has changed since the printer was first configured.
Use the printer's own control panel or touchscreen to open its Wi-Fi setup menu and re-enter the network password carefully, watching for similar-looking characters (such as 0 and O, or 1 and l). Many printers also support WPS (Wi-Fi Protected Setup), a button on the router you can press to connect the printer without typing a password at all, if your router supports it.
Could a weak signal be the problem?
Printers often have simpler Wi-Fi antennas than phones or laptops, so they can lose connection at distances or through walls that other devices handle without issue.
Check the signal strength shown in the printer's network settings menu. If it's poor, try moving the printer closer to the router, removing obstructions between them, or adding a Wi-Fi extender or mesh access point nearer the printer. A wired Ethernet connection to the router, if your printer supports it, removes Wi-Fi signal issues entirely.
Has your router changed recently?
A new router, a firmware update, or a change to router security settings can all silently drop devices that were previously connected, including your printer.
If your printer worked fine before a router change and has failed to reconnect since, treat it as a fresh setup rather than trying to “reconnect” it: run the printer's Wi-Fi setup wizard again from scratch and select the current network name and password. Some routers also apply MAC address filtering, which blocks unrecognised devices — check your router's connected devices list to confirm the printer isn't being blocked.
What if the printer connects but printing still fails?
A successful Wi-Fi connection only proves the printer can reach the network — it doesn't guarantee your computer has the right driver or a current address for it, which is a separate and equally common issue.
If the printer's own display confirms it has an IP address and a good signal, but jobs still won't print, the fault has moved from the network to your computer's print software. See our guide to a printer that's connected but not printing for the next steps.
Frequently asked questions
Why won't my printer find my Wi-Fi network at all?
This usually means the printer only supports the 2.4GHz band and your network name for that band is hidden, disabled, or set to the same name as your 5GHz band in a way the printer can't distinguish. Check your router settings for separate band names.
How do I reconnect my printer to Wi-Fi after a router change?
Run the printer's built-in wireless setup wizard from its control panel as if setting it up for the first time, then select your current network name and enter the current password.
Can a firewall block my printer's Wi-Fi connection?
A computer's firewall can block communication with a printer even when the Wi-Fi connection itself is working, particularly on public or work network profiles. Temporarily allow the printer through your firewall to test this.
Why does my printer keep dropping off Wi-Fi?
Frequent drops usually point to a weak or congested signal, a router that changes channel automatically, or the printer's power-saving mode disconnecting it when idle. Disabling aggressive sleep settings on the printer often helps.
Do all printers support 5GHz Wi-Fi?
No. Some small-office printers only support the older 2.4GHz band, which has better range but is more congested. Check your printer's specification if it can't see your 5GHz network.
Need a business printer repair?
Our independent printer technicians serve businesses and organisations exclusively. Share your organisation, business postcode, printer model and what you have already tried so we can assess the next step.
