Samsung CLP-315W Laser Color Printer "black lines smudges top prints" Questions

black ink is faded, in particular. I've tried taking the imaging unit out and cleaning the inside of the printer. I've also tried emptying the waste toner container. I still have the same problem, and

black lines across the page was due to a bad transfer belt. I thought is was the drum and replaced that but it didn't fix the problem. I initially inspected the transfer belt which did have a residual

...lines Black smudged horizontal lines during printing Try cleaning your rollers, it worked for me. I hope this helps. The top 1/2" of the thick vertical bars in the nozzle test pattern are smudged ...

...Black print out is fine, colour leaves smudges in vertical lines every 4cm across. I have taken out the PCU and followed some previous advice on this forum to open the cover of the PCU and file down ...

...black or yellow lines on page or mouldy print out on the page or the first print will have a faint print on the second print. Imagine Unit damaged - the print out will be dirty vertical streaks of ...

...lines/dashes at top and middle of page when printing. I manually refilled my cartridges and when printing there was grey smudging on the pages. I thought maybe I overfilled the black cartridge, ...

...lines missing completely - then tops of line or bottom of line missing / cleanly cut off horizontally - then a line printing normally. Ink flow is okay [no smudges or fading etc] and have just given ...

lines of missing text. A second attempt at washing the nozels and print head using window cleaner didn't resolve this. Neither did blowing on the chip on the printer. Switching to the "high resolution

top to the bottom of the page is also being printed. It's light and looks smudged. at the time of printing I wasnt even using color ink just the black and white. it even does it when i print in color.

lines in the background, and not clear, black grainy smudging mostly on top of page Hi miss yan; According as your descript the first impression coming from my mind is drum unit problem, the parts you