These units are  refurbished throughout with perfect A3 Scan output.  There may be minor cosmetic marks and the lower case can be prone to UV discolouration (yellowing), this is nothing that affects functionality.

What Epson has to say: -

High performance, reliable A3 business scanning

Imagine the productivity benefits of advanced scanning technology in an affordable large-format scanner. A versatile workgroup performer, the Epson GT-15000 makes this vision a reality. This powerful scanner offers 600 x 1200 dpi resolution and 48-bit colour for incredible detail on scans up to 11.7" x 17".

With its fast startup time, the Epson GT-15000 is ready in an instant. Speeding through two-page spreads in a single scan, it can accommodate a variety of documents. The scanner's durable design allows it to easily handle everything from small receipts to large financial reports. It even offers automatic paper size detection so there's no need for complicated settings or selections. And, it blazes through each scanning task at remarkable speeds, including 16 ppm for monochrome and 10 ppm in colour with an optional automatic document feeder (ADF) for scanning up to 100 sheets without any user intervention, and without sacrificing image quality (letter size, 300 dpi, draft mode).

The Epson GT-15000 can quickly accommodate virtually any scanning project. This high-value product even includes fast USB 2.0 and SCSI-2 connectivity, with an optional IEEE 1394 interface. In addition, an optional network card is available, enabling busy workgroups to share a single scanner. This, coupled with its high-speed operation and incredible versatility give users the power they need, and the productivity they've only imagined, for critical daily requirements.