The installation information is on http://welcome.solutions.brother.com/bsc/public_s/id/linux/en/before.html#004 The LPR driver seems to be a non free driver, however Brother Industries, Ltd states on the license the following: "Brother grants User a non-exclusive license: to reproduce and/or distribute (via Internet or in any other manner) the Software. Further, Brother grants User a non-exclusive license to modify, alter, translate or otherwise prepare derivative works of the Software and to reproduce and distribute (via Internet or in any other manner) such modification, alteration, translation or other derivative works for any purpose". The Cups wrapper driver is covered by the GNU GENERAL PUBLIC LICENSE Version 2, June 1991. The brscan driver states the following:The Software is comprised of the following software modules: (1) Certain software modules that is the subject of GNU GENERAL PUBLIC LICENSE ("GPL Modules"), and (2) Other software modules ("Non-GPL Modules") Brother grants you a non-exclusive license to reproduce and/or distribute (via Internet or in any other manner) Non-GPL Modules. Brother further grants you a non-exclusive license to modify, alter, translate or otherwise prepare derivative works of Non-GPL Modules and to reproduce and/or distribute (via Internet or in any other manner) such modification, alteration, translation or other derivative works of Non-GPL Modules.