"It was working yesterday." If you've ever said that about a network printer, you already know how this goes — nothing changed, and suddenly the printer that everyone in the office relies on has vanished from every computer's list.
It's one of the most common calls we get from small offices and holiday rental hosts across the Costa Blanca, and the good news is: it's almost always a fast fix, not a printer replacement.
Why network printers randomly stop working
A handful of causes account for the vast majority of "printer disappeared" problems:
- The printer got a new IP address. Most printers are set to grab an IP automatically (DHCP). Every so often — after a power cut, a router restart, or just time passing — it gets handed a different address, and every computer is still trying to talk to the old one.
- Sleep mode dropped it off the network. Some printers go to sleep to save power and don't reconnect properly when they wake up.
- Mixed Mac and Windows computers in the same office, each expecting a different printer driver or protocol (AirPrint vs. standard network printing) for the same physical printer.
- Guest Wi-Fi vs main Wi-Fi. If the printer is on one Wi-Fi network and a laptop or phone is on another (common in rental apartments with separate guest networks), they simply can't see each other, no matter how many times you restart things.
- A firewall or router update quietly blocking the ports printers use to broadcast themselves on the network.
None of these mean the printer is broken. They mean something about the *network path* between the computer and the printer changed — which is exactly the kind of thing that's invisible until you know where to look.
What we do
We connect remotely, check the printer's actual current IP and how it's set to obtain one, confirm every computer that needs to print is on the same network as the printer, and set up a static or reserved IP address for the printer so this doesn't keep happening every few weeks. If it's a driver mismatch between Mac and Windows machines, we sort that out too, so everyone prints to the same printer without a "which driver do I need" guessing game.
Most network printer issues are fully sorted in 15–30 minutes, remotely — no one needs to unplug or replug anything.
If your printer keeps doing this
If this is a recurring thing — works, then randomly stops, then someone restarts the router and it works again for a while — that's usually the IP address issue above, and it's worth fixing properly once rather than restarting the router every few weeks.
We offer a flat-rate €49 remote diagnostic and fix (up to 60 minutes) for network and printer issues like this — done remotely, usually the same day.