![black lines down the side of every print job (HP LaserJet 500 Color M551). cleaning page did nothing. any ideas of what might be wrong? : r/printers black lines down the side of every print job (HP LaserJet 500 Color M551). cleaning page did nothing. any ideas of what might be wrong? : r/printers](https://preview.redd.it/9lyw5he06ts81.jpg?auto=webp&s=eca43909caafb4457081b9f8ec305215cf39535b)
black lines down the side of every print job (HP LaserJet 500 Color M551). cleaning page did nothing. any ideas of what might be wrong? : r/printers
Canon Pixma 620 Loss Again Of Magenta Weak Cyan | Page 2 | PrinterKnowledge - Laser, 3D, Inkjet Printer Help
![Printer cleaning page checker pattern that I found at work (that must waste a lot of ink) : r/oddlysatisfying Printer cleaning page checker pattern that I found at work (that must waste a lot of ink) : r/oddlysatisfying](https://i.redd.it/e0j8kjxybok31.jpg)
Printer cleaning page checker pattern that I found at work (that must waste a lot of ink) : r/oddlysatisfying
![HP Officejet 6000 (E609a) and 6000 Wireless (E609n) Printers - Cleaning the Printhead | HP® Customer Support HP Officejet 6000 (E609a) and 6000 Wireless (E609n) Printers - Cleaning the Printhead | HP® Customer Support](https://support.hp.com/doc-images/118/c01710893.gif)