Dirty spot all over paper now. Is the printer dead or I need to change the
toner?
I covered the holes and it printed about 1000 pages. I used 300 dpi. Someone
said it can print more than 1000 page at 600 dpi, so I should be able to
print around 2000 page since I use 300 dpi. I don't know what happens to all
dots/spots.
