So we all understand; there is no ink your printer. In an inkjet printer,
liquid pigment is sprayed from print heads directly on the paper where
it dries and makes an image. Your printer has toner, which is a
pigmented powder. I'm sure you found this when you cleaned the waste
A laser printer draws an image on a rotating drum which then rolls into
a tub of toner. Anywhere the laser hit, toner sticks, where it didn't
hit, it doesn't stick. The drum rolls over a piece of paper (transfer
belt with 1-pass color) and the toner rubs off onto the paper - it's
still powder. The paper then goes through an oven (developing drum or
fuser) which melts the toner onto the paper. BaM! Out comes your
A consistent line going from top to bottom of every page printed means one of the following:
1) A band of evil is thinly encircling the imaging drum causing it to
pick up toner where it has not been hit by the laser. Check the imaging
drum for lines that match the ones on your paper. Replace if necessary.
2) The transfer belt has a line of evil on it. Look at the belt in the
right light in order to see scratches and such. Replace as necessary.
3) If your streak is an anti-streak, which is the LACK of toner. You
need a new imaging drum. It's damaged. Unless it's a smudge, then its
You can clean things inside very carefully with a cloth, but I always
use compressed air. The CLP-300 is very compact and cheap and is not really
made to be repaired. Replace the parts, or throw it away.
I understand that at this time July 18, 2008, you can purchase this
unit for as low as $99 US after mail-in rebate. Check your local or
online (newegg) retailer.
Questions? Ask. Good Luck.