Our take
The HP LaserJet 4350dtn is a monochrome single-function printer with an exact U.S. part mapping: HP identifies Q5409A#ABA as the 4350dtn. HP recommends 5,000–20,000 pages per month, and its 4250/4350 user guide says the 4350dtn includes an automatic duplexer. This is a useful combination for an office that prints substantial black-document volume and wants two-sided output without a manual refeed. HP marks the model discontinued. The sources reviewed here do not establish the exact network interface or wireless configuration for the candidate unit, so buyers should verify those details rather than infer them from a listing suffix.
A high-volume monochrome office that can verify the Q5409A#ABA label, the installed network path, and the condition of this discontinued printer..
Do not choose it if the office needs a currently supported model, confirmed built-in Wi-Fi, a specific standard Ethernet interface, or a lightweight desk printer.
Pros & cons
What could work for you, and what to consider before buying.
What works in its favor
- HP maps exact part Q5409A#ABA to the 4350dtn model.
- The published 5,000–20,000 monthly recommendation places it in a high-volume mono range.
- HP's series guide confirms that the 4350dtn includes an automatic duplexer.
What to weigh up
- HP identifies the product as discontinued.
- The checked source set does not resolve the exact candidate's Ethernet or wireless hardware.
- A used printer's service history, supplies, installed options, and current-driver fit cannot be inferred from the manufacturer page.
The key details
| Model covered | LaserJet 4350dtn (Q5409A#ABA) |
|---|---|
| Main functions | Monochrome laser; print only |
| Print output | 5,000–20,000 recommended pages per month |
| Two-sided printing | Automatic duplex included; connection details require exact-unit confirmation |
Performance figures are manufacturer claims. Source checked October 10, 2026. Regional models and included accessories can differ.
What the features mean for you
Match the exact Q5409A part
The candidate row now has a direct U.S. identity match: HP's product page names LaserJet 4350dtn and maps product Q5409A#ABA to it. This matters because the broader 4350 family contains other suffixes and equipment combinations. Do not substitute a 4350n, 4350tn, or a different regional product code when applying these facts. On a used offer, check the printer label and the listing photographs. A match to the manufacturer part confirms model identity, but does not certify that accessories or the printer itself are in working condition.
Use the recommended range for workload fit
HP's support page gives a recommended monthly page volume of 5,000 to 20,000 pages. That is the strongest workload evidence in this packet and is more useful for normal sizing than a maximum duty cycle. It points to a printer intended for a busy office queue rather than occasional home output. A buyer should compare actual monthly use with the range and avoid treating the upper endpoint as a guarantee about a decades-old unit. The source does not describe supply availability or the health of a particular machine, so those remain separate purchase checks.
Automatic duplex comes with the dtn configuration
HP's 4250/4350 user guide identifies the 4350dtn among the configurations that include an automatic duplexer. That feature turns pages for a two-sided print job and can reduce paper handling for recurring reports and forms. It is a print function, not an indication that scanning or copying is included. Confirm that the duplex path is present and working on the offered machine, especially if it has been refurbished or assembled from parts. The guide supports this exact dtn configuration; facts from another 4350 suffix should not be used as a shortcut.
Verify the connection on the exact unit
The reviewed HP store and support records establish the part and duplexer, but the saved evidence does not map the candidate's exact network interface. The letter n in a product name is not a substitute for checking an installed network card, port, and usable setup. Wireless should not be promised from this packet. Ask for a clear rear-panel view and test a network print job if Ethernet is required. A direct-attached printer may still suit a single desk, but it is a different fit from a device expected to join a shared wired or wireless queue.
Account for discontinued status and age
HP marks the 4350dtn discontinued. That is a lifecycle fact from the manufacturer, not evidence that a particular seller has or lacks stock. It means the buyer should check the exact installed configuration, service condition, print quality, maintenance history, and fit with current computers before relying on it for a business-critical queue. The high recommended volume and duplexer describe the original product design, not today's operating condition. The review therefore treats this as a legacy option for buyers who understand used office hardware and can verify the unit before purchase.
What else to compare
The HP LaserJet Enterprise M653dn is a color print-only alternative with a 2,000–17,000-page recommended range and standard duplex. Choose the 4350dtn when monochrome output and its higher published range fit better, after checking the actual unit's network hardware.
Before you buy
Which HP part number is the 4350dtn?
HP's U.S. product page maps Q5409A#ABA to the LaserJet 4350dtn.
Does this configuration include automatic duplex?
HP's 4250/4350 user guide lists the 4350dtn among models with an included automatic duplexer.
What monthly volume does HP recommend?
HP gives a recommended range of 5,000 to 20,000 pages per month for this exact 4350dtn support record.
Where can I check the current price?
Use the Amazon link for current offers. Check the exact model, seller, product condition, delivery, and return terms. This page does not display a live price or confirm stock.
Sources & review basis
We use the following manufacturer documentation for the product features above. Our suitability notes and buying advice are editorial judgments based on those features, not measured performance results.
- HP U.S. product record for LaserJet 4350dtn Q5409A#ABA ↗ — checked October 10, 2026.
- HP U.S. exact product mapping Q5409A#ABA to 4350dtn and discontinued status ↗ — checked October 10, 2026.
- HP 4350dtn recommended monthly page volume ↗ — checked October 10, 2026.
- HP 4250/4350 user guide: included automatic duplexer for 4350dtn ↗ — checked October 10, 2026.
The decision
The 4350dtn fits a high-volume mono queue when Q5409A#ABA and its duplexer are verified. Confirm the installed connection and used-unit condition before relying on it.
Is it the right fit?
Check the exact model and today’s offers on Amazon.