The forest department is purchased hp laser m2727nf (product no.CB532A, SL No.CND9873G28) on May-2009, it is worked only few weeks only. then afterwords it is not working. i was complaint to hp (CASE ID 2608564784, dated 23-06-2009) and -redington service on 07-07-09. some engineer (nagaraja) will come and checkup on 17-07-2009 and say to change some spare. then we reminded and reminded again till now no ome come here and clear the problem.