One of the juiciest place to get information on the industry is in the quarterly presentations provided by the public companies and in the transcripts of their calls with analysts. The below link will take you to Lexmark's latest call with the analyst community.
http://seekingalpha.com/article/132076-lexmark-international-inc-q1-2009-earnings-call-transcript?page=1
Highlights include significant year over year and sequential revenue declines in both laser devices and laser supplies.