Canon Community

Does this machine require further cleaning? Should I replace the cartridges? Time for a new printer? This printer outputs documents with vertical streaks along the left and right edges in yellow and blue, vertical blotchy streaks of blue down the lef...

My Canon MF733cdw prints out sheets with cyan speckles / spots distributed randomly throughout the printed pages, and the quality of the black is diminished. However, if the sheet has colors, the spots / speckles don't appear, and the black is good. ...