Turn An Old USB Printer Into A Network Printer With A NAS
A USB printer can remain useful long after its original computer has been replaced. The problem is that modern laptops, tablets and phones increasingly rely on Wi-Fi, while an older printer may have only a USB-B port and drivers designed for Windows 7 or an early version of macOS. A network-attached storage device can provide the missing link by keeping the printer connected in one central location.
A NAS printer server allows several devices to send documents through the home or office network without moving the USB cable between computers. QNAP and Synology systems may support USB printer sharing directly, while other setups can use a lightweight print service, a virtual machine or a container. The exact method depends on the NAS operating system, printer model and clients you need to support.
This arrangement is particularly practical in Australian homes, study areas and small businesses. A printer can sit beside the NAS in a Melbourne apartment, a Sydney home office or a regional Queensland property while users print over Wi-Fi from different rooms. It also avoids buying a new printer simply because an older, reliable model lacks modern networking.
How A NAS Printer Bridge Works
The basic arrangement is straightforward: connect the printer to a USB port on the NAS, connect the NAS to the router with Ethernet, and allow computers or mobile devices to reach the printer across the local network. The NAS acts as a print server, receiving jobs and passing them to the USB device.
A wired connection between the NAS and router is preferable because print jobs can be large, especially when they contain photographs or complex PDFs. A gigabit Ethernet link also keeps the NAS available for backups and media streaming while a document is being processed. The printer itself does not need Wi-Fi; the NAS supplies network access on its behalf.
Before buying hardware, confirm that the NAS can recognise the printer. Manufacturer compatibility lists are useful, but they may not include every older model. Basic monochrome laser printers generally have fewer problems than multifunction units. Printing may work while scanning, faxing, card readers or ink-level reporting remain unavailable through the USB connection.
Check Compatibility Before Connecting
Start by identifying the printer’s exact model and the operating systems used by household or business devices. Some older printers depend on proprietary drivers, and a NAS may expose the USB connection without translating those drivers. In that case, a Windows computer might print successfully while an iPad or Chromebook cannot discover the queue.
QNAP and Synology interfaces usually show attached USB equipment in a hardware or external-device panel. If the printer appears there, look for a printer-sharing option or an available package. Firmware versions matter, so check current documentation before assuming a feature shown in an old forum post still exists. A useful starting point for NAS hardware comparisons and storage guidance is WhichNAS storage guides, particularly when deciding whether an existing unit has enough memory and software support.
AirPrint and Mopria compatibility deserves special attention. An old USB printer will not automatically become an AirPrint printer just because it is connected to a NAS. A NAS package or print service may advertise the queue using IPP, but configuration can be more involved than standard desktop printing. Test from the actual phones and tablets that will be used rather than relying on a specification sheet.
Configure The Print Queue Safely
After connecting the printer, assign the NAS a stable address on the home network. A DHCP reservation on the router is usually easier than manually configuring a fixed address on every device. Routers supplied with NBN services from providers such as Telstra, Optus or Aussie Broadband commonly support address reservations, although the menu names differ between models.
Enable the printer-sharing function only on the trusted local network. There is rarely a reason to expose a USB printer directly to the internet, and port forwarding can create an unnecessary security risk. If the NAS supports separate guest Wi-Fi or VLANs, keep printer access limited to the main household or business network. This is especially important for a small practice handling invoices, medical paperwork or customer records.
On Windows, users may add the printer by its network name or IPP address, depending on how the NAS publishes it. macOS can often add an IP printer using IPP, LPD or a vendor-specific protocol. Linux clients may use CUPS. On Android and iOS, printing depends on the operating system, application and available print service, so a shared queue may need to be added through the manufacturer’s app or a compatible mobile print service.
Preserve Reliability And Printer Access
The NAS and printer should be placed where the USB cable will not be knocked loose. Older USB printers can be sensitive to cable length and power fluctuations, so use a short, good-quality USB cable and avoid an unpowered hub unless the NAS documentation specifically supports it. If several USB accessories are attached, a powered hub may be necessary, but it introduces another device that can fail.
A small uninterruptible power supply is useful for the NAS and network switch, particularly in areas affected by brief outages or storms. It does not need to keep the printer running for hours. Its main purpose is to let the NAS shut down cleanly and prevent a print queue from being left in an incomplete state. In Australia, summer storms and local power interruptions make this a sensible precaution for home offices.
Keep the printer’s original drivers and manuals in a shared NAS folder. The printer may continue working for years, but a future laptop upgrade can make driver installation difficult. Record the queue name, protocol and address in a simple text file. If the NAS is replaced, this information can save time when rebuilding the service.
A print bridge should complement a backup plan, not replace one. Printer queues are temporary data, while documents stored on the NAS may be irreplaceable. Use snapshots or versioned backups for business files, and keep at least one backup copy disconnected or stored off-site. A USB printer connected to a NAS does not protect invoices, family photos or tax records.
Decide When An Upgrade Is Better
Sharing an old printer through a NAS makes financial sense when the printer produces acceptable output, replacement cartridges are affordable and users print occasionally. This is common for a home office, schoolwork or a small Australian business that already owns a dependable laser printer. Avoiding a new purchase also reduces electronic waste and preserves familiar consumables.
An upgrade may be wiser when the printer jams frequently, uses expensive cartridges or lacks duplex printing. New network printers can offer AirPrint, secure release printing, automatic firmware updates and better energy efficiency. Local retailers such as Officeworks and specialist business suppliers often stock models suited to Australian power and warranty requirements, making replacement relatively straightforward.
Multifunction requirements can change the decision. If users need reliable network scanning, scan-to-email, document feeders or colour management, a modern Ethernet or Wi-Fi multifunction printer will usually be easier to maintain than a USB printer attached to a NAS. The NAS can still store scanned files and provide backup, even when printing is handled by a newer device.
Practical Setup Recommendations
Use these checks before making the printer available to everyone:
- Confirm that the NAS firmware and printer-sharing method support the exact printer model.
- Connect the NAS to the router by Ethernet and reserve its local IP address.
- Test printing from Windows or macOS before adding phones, tablets or Chromebooks.
- Keep the queue on the trusted LAN and avoid internet-facing port forwarding.
- Save printer drivers, manuals and connection details in a protected NAS folder.
- Use a UPS for the NAS and networking equipment if power interruptions are common.
- Test scanning, duplex printing, ink reporting and sleep-wake behaviour separately, since USB sharing may support printing only.
A short test cycle can reveal issues before the printer becomes essential. Print a text document, a PDF with graphics and a multi-page file. Disconnect and reconnect the printer, restart the NAS, and confirm that jobs do not remain permanently stuck. If mobile printing is important, test it from the room where users normally work rather than beside the router.
When the setup works, give the shared queue a clear name such as “Study Laser Printer” or “Reception Printer”. Avoid changing the NAS address or queue name casually, because every connected computer may need to be configured again. Restrict NAS administration to authorised users while allowing ordinary users to submit print jobs.
A NAS can extend the useful life of an older USB printer with modest cost and little disruption. Check compatibility first, keep the bridge inside the local network, document the configuration and maintain proper backups for the files being printed. Follow those steps and an otherwise isolated printer can serve modern laptops and mobile devices for years without becoming the weakest link in the storage system.