rollers

Hello community. I'd like your help solving a problem. I was performing maintenance on my Canon LBP6230DWZ printer, and when I opened the cover where all the gears are, a reed valve popped out. After performing maintenance on all the gears, I put the random valve in. Now, when I activate the...

I have started to notice marks appearing on my prints; mainly on the rear but now significantly visible on the front of the printed image. A look inside reveals that the ink absorber is overflowing and spilling out onto the feed rollers. I have had this printer almost since it was released 7 or...