The only difference is that this model has a larger LCD screen display, which enables a fax previewing mode and displays and allows input of information and settings for multiple jobs. Its printing rate can reach 21 pages per minute, and its modem speed is 33.6 kbps, and it has 10Base-T and 100Base-TX networking capabilities. Though the base model does not include it, the KX-MC6020 is compatible with a duplex printing accessory tray. It can also print files directly from emails, as well as send emails of scanned documents without an FTP server. It has an internal fax memory of 10 MB. The scanner resolution, using the flatbed, is 9600 dpi, and this printer includes ReadIris OCR software that converts scanned images to editable text documents. Other features include color copying and out-of-paper fax reception.