Brother MFC-8860DN All-In-One Laser Printer "stained glass panels" Questions

Black lines & sahdes hi, While printing i am getting black shades & lines. I change the catridge and clean the head also but still the problem still there. If i am printing sometimes its print good ...

HP 7410 Scanner mirror dirty I have had some work around the house and quite a bit dust. It seems that the scanner mirror is pretty dirty. Can't reach it, don't know exactly how to disassemble the ...

my hp psc 1500 printer reads out of paper and its not, how do i fix this???? i read where the gears need to be cleaned, how does a person do this. and if this dosen't work then what???? HELP First ...