This OKI Microline ML5521 ECO Standard Dot Matrix Printer is a high-quality black and white printer that offers a print speed of 20 pages per minute. It is equipped with 64 MB of memory and features parallel (IEEE 1284) and USB 1.0/1.1 connectivity options. 

The printer is designed to handle monochrome input and uses dot matrix technology to produce high-quality output. The OKI Microline ML5521 ECO Standard Dot Matrix Printer is a reliable and efficient choice for anyone in need of a high-quality printer. It is part of the OKI Microline product line and is ideal for use in various settings, including homes, offices, and businesses.

New Printer.
A customer returned the printer. There are signs old postage labels and other minor imperfections on the original packaging.