Perfect print output.  This version is Direct Thermal only, with rewind and dispenser.

What Zebra has to say: -

Print invoices, receipts, labels and more up to 4 inches wide with durable mobile printers that meet IP54 dust and water resistance requirements.

Zebras best-in-class Z Series printers just got better! The ZM400 includes additional productivity-enhancing features and modern, flexible network connectivity for easy system integration in most manufacturing, warehousing and business applications. This industrial/commercial workhorse also delivers efficient 4-inch-wide labelling thanks to its quick throughput and 10 inches-per-second print speed.

Built RFID Ready and offering a multitude of options including 200-dpi (24 dots/mm) resolution, the ZM400 is upgradeable to grow with changing needs. Plus, design enhancements make this new-generation Z Series printer even easier to operate, load, and maintain.

All ZM400 printers include: 16MB DRAM, 8MB Flash (2MB user available), USB 2.0, serial and parallel ports, Adjustable Transmissive and Fixed Reflective Sensor