HP Laser MFP 137fnw A4 Mono Multifunction Laser PrinterHP Laser MFP 137fnw A4 Mono Multifunction Laser Printer Features Get productive MFP performance at an affordable price. Print, scan, copy, and fax, produce high quality results, and print and scan from your phone. This printer is intended to work only with cartridges that have a new or reused HP chip, and it uses dynamic security measures to block cartridges using a non HP chip. Periodic firmware updates will maintain the effectiveness of these