Pick this if...
- You run a workgroup of 15-30 people that prints, copies, scans, and faxes 7,000-20,000 mono pages a month.
- You need fax in the box and an extra 550-sheet tray plus stand — without paying for the full M635z bundle (HCI, finishing).
- You scan multi-page documents regularly and want single-pass duplex at 95 ipm from the 150-sheet ADF.
- You want a tall floor unit on a stand, not a desktop machine taking over a table.
- You need enterprise security (Sure Start BIOS self-heal, run-time intrusion detection) for compliance work.