I use official Xerox driver: http://www.support.xerox.com/support/workcentre-6015/downloads/enus.html?operatingSystem=linux I didn't found any alternative driver. Here is is the official Xerox's deb package.
** Attachment added: "xerox-workcentre-6015b-6015n-6015ni_1.0-28_i386.deb" https://bugs.launchpad.net/ubuntu/+source/cups/+bug/984424/+attachment/3306176/+files/xerox-workcentre-6015b-6015n-6015ni_1.0-28_i386.deb -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to cups in Ubuntu. https://bugs.launchpad.net/bugs/984424 Title: Xerox WorkCentre 6015 wrong colors cups 1.5.2 Status in “cups” package in Ubuntu: Incomplete Bug description: Xerox WorkCentre 6015 Ubuntu 12.04 cups 1.5.2 sends the wrong colors to printer. Works well in Ubuntu 10.04 cups 1.4.3 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cups/+bug/984424/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp