These units are in good cosmetic condition and refurbished throughout

This is what HP has to say: -

As business accelerates, workgroups need to stay ahead. That's why HP designed this affordable, energy-efficient printer to produce professional-quality colour documents quickly and easily.

Features.
With the fast pace of business, there's no time to stop and wait. Ensure workgroups have tools to move business forward. This efficient printer is designed to conserve energy without sacrificing productivity so employees can move through tasks.

Print from sleep mode in as fast as 9 seconds. Get two-sided prints as quickly as one up to 35 ipm.

This printer uses exceptionally low amounts of energy thanks to smart media sensing and toner technology.

Manage jobs and settings quickly with the 4-line colour display and use the 10-key pad for PIN printing.

Consistently print high-quality documents across a variety of media including A5 with automatic media sensing.

Workgroup needs are wide-ranging. Keep them covered, with advanced and innovative HP JetAdvantage solutions that simplify fleet management and help make printing secure.

Centralise control of your print environment with HP Web Jetadmin and help build business efficiency.

Protect sensitive business data with embedded and optional HP JetAdvantage Security Solutions.

Give your team what they need to succeed. Easily develop, deploy and add on HP and third-party solutions.

Business is mobile, and so is your workforce. Help them print what they need on the move whether they're headed to the office or to a meeting with easy printing from a range of mobile devices, enhanced by HP JetAdvantage solutions.

Easily print from a variety of smartphones and tablets generally no setup or apps required.