What to Look for When Buying a Used 3D Systems Printer
3D Systems offers the broadest range of additive manufacturing technologies from a single manufacturer. Each technology requires specific inspection criteria on used units.
On SLA systems, inspect the laser, optics, and recoater. Measure laser power against the original spec. A degraded laser produces inconsistent cure depth and poor surface finish. Check galvanometer mirrors for contamination, the recoater blade for wear, and the build platform for flatness. On ProX 800 and 950, verify the automated material delivery system.
On SLS and DMP systems, verify the laser, powder handling, and thermal management. Laser power degradation is the most critical factor on any powder-bed system. Request the laser hour count and compare to rated life. On SLS machines, check powder overflow and feed systems, IR heaters, and thermal uniformity. On DMP printers, inspect the inert gas system, powder sieving module, and build plate leveling.
On MJP and CJP systems, check print heads and material delivery. These printers rely on inkjet-style heads that degrade with use. Print a test part and examine resolution and layer adhesion. Verify UV lamp output on MJP models and check supply lines for clogs.
Verify software licensing and material compatibility. 3D Systems printers use proprietary software (3D Sprint, 3DXpert). Confirm that licenses transfer with the machine and that firmware supports current materials.
3D Systems SLA Printers
ProX 800 & ProX 950
The ProX 800 and ProX 950 are large-format production SLA systems and the most commonly traded 3D Systems machines on the used market. The ProX 950 offers one of the largest SLA build volumes (1500 x 750 x 550 mm). Both feature automated material delivery, real-time monitoring, and Accura resin compatibility for aerospace tooling, casting patterns, and prototyping.
Figure 4 Platform
The Figure 4 series uses DLP technology for ultra-fast photopolymer printing. Available in Standalone, Modular, and Production configurations. Optimized for dental, jewelry, and short-run manufacturing.
Legacy SLA Systems
Early 3D Systems SLA printers (SLA 250, SLA 500, SLA 5000, SLA 7000, Viper) established the foundation for 3D printing. Many remain operational. Parts and service vary by generation; confirm availability before purchasing.
3D Systems SLS Printers
ProX SLS 6100 & sPro Series
The ProX SLS 6100 is the current production SLS platform with a CO2 laser and 381 x 330 x 460 mm build volume, printing DuraForm nylon and composites. The legacy sPro 60, sPro 140, and sPro 230 are widely installed and commonly available used.
3D Systems Metal Printers (DMP)
DMP Flex & DMP Factory Series
The DMP Flex 100 and DMP Flex 200 are compact metal printers for dental, medical, and jewelry. The DMP Flex 350 prints titanium (Ti64), stainless steel (316L), cobalt chrome, and aluminum (AlSi10Mg). The DMP Factory 350 adds automated powder management. The DMP Factory 500 offers a 500 x 500 x 500 mm build volume with triple-laser configuration.
Legacy ProX DMP Series
The ProX DMP 100, 200, 300, and 320 remain capable production systems. The ProX DMP 320 was widely adopted in aerospace and offers accessible entry into metal additive.
3D Systems MJP & CJP Printers
The ProJet MJP 2500 and MJP 2500 Plus produce high-resolution plastic and elastomeric parts. The MJP 3600 creates RealWax casting patterns for jewelry and dental. The MJP 5600 is a large-format multi-material printer. The CJP 660Pro and CJP 860Pro produce full-color concept models via binder jetting.
How to Sell Your Used 3D Systems Printer
ProX SLA, DMP metal, and SLS machines are in strong demand on the secondary market.
Resell CNC buys used 3D Systems equipment: every model, every technology, nationwide.
- Contact us at (844) 478-8181 or sales@resellcnc.com.
- Free appraisal within 24 hours, no obligation.
- Accept the offer and we handle rigging, transport, and logistics.

Frequently Asked Questions About Used 3D Systems Printers
Are used 3D Systems printers reliable?
Yes. 3D Systems brings over three decades of engineering to its platforms. ProX and DMP machines are built for production with a global service network.
What technologies does 3D Systems offer?
SLA (stereolithography), SLS (selective laser sintering), DMP (direct metal printing), MJP (MultiJet printing), CJP (ColorJet printing), and Figure 4 (DLP-based).
What should I inspect before buying?
Laser hour count and power output (SLA, SLS, DMP), print head condition (MJP, CJP), build platform flatness, and material handling systems. Verify software license transfer and request sample parts.
What 3D Systems models hold their value best?
ProX 800 and ProX 950 SLA printers, DMP Flex 350 and DMP Factory 350, and the ProX SLS 6100. Call (844) 478-8181 for valuations.
Is 3D Systems the company that invented 3D printing?
Yes. Chuck Hull invented stereolithography in 1983 and co-founded 3D Systems in 1986. He developed the .STL file format and introduced the first commercial 3D printer (the SLA-1).
Can I get parts and materials for older 3D Systems printers?
Current-generation machines (ProX, DMP, Figure 4) have full support. Legacy platforms (Viper, SLA 5000/7000, sPro) may have limited availability. Confirm supply chains before purchasing.
Does Resell CNC offer financing?
Yes. Resell CNC offers flexible financing on used additive manufacturing equipment. Call (844) 478-8181 to discuss terms.
How do I sell my used 3D Systems printer?
Contact Resell CNC at (844) 478-8181 or sales@resellcnc.com. We buy every model nationwide. Free appraisal within 24 hours.