Samsung SCX-5639FR-XAA - Manual (Page 145)

a) place your modifications in the Public Domain or otherwise make them
Freely Available, such as by posting said modifications to Usenet or an
equivalent medium, or placing the modifications on a major network
archive site allowing unrestricted access to them, or by allowing the
Copyright Holder to include your modifications in the Standard Version
of the Package.
b) use the modified Package only within your corporation or organization.
c) rename any non-standard executables so the names do not conflict
with standard executables, which must also be provided, and provide
a separate manual page for each non-standard executable that clearly
documents how it differs from the Standard Version.
d) make other distribution arrangements with the Copyright Holder.
e) permit and encourge anyone who receives a copy of the modified Package
permission to make your modifications Freely Available
in some specific way.
4. You may distribute the programs of this Package in object code or
executable form, provided that you do at least ONE of the following:
a) distribute a Standard Version of the executables and library files,