clean out of toner from later printer is such critical. After long time fighting, I learn a critical trick in=20 usage of laser printer: thouroghly cleaning every time you changing tuner! In the servicing site, they have a kind of=20 vaccum machine, that can handling subtance of=20 sub micro mm.=20 Does any body find a way to turn home vaccum machine into laser printer tuner vaccum machine? If home vaccum machine can be applied to clean laser printer, it brings huge benenfit! -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist