Canon Community Canon Community

New Contributor
Posts: 2
Registered: ‎11-25-2020

MF644CDW Terrible Streaking Issue

For the past three days, all printed pages have had horrible streaking/smudges. I attempted to clean the fixing assembly several times, but this has had no effect at all. The toners are all at least at the 90% mark.


See the attached photo of a printed page as an example. It appears that about 1.5" on the side is free of this smudging, but the rest of the page is affected.


Is there anything else I can try?



Esteemed Contributor
Posts: 3,463
Registered: ‎11-19-2017

Re: MF644CDW Terrible Streaking Issue


Are you using Canon branded toners?


Something is dirty and transferring this excess to the printed pages.

Bay Area - CA
~6D2(v1.1.0) ~Many Lenses ~DxO PhotoLab Elite ~Windows10 Pro ~EVGA RTX 2080 FTW3 Ultra ~Pixma Pro-100 ~ImageClass MF644Cdw ~LBP622dw
Product Expert
Posts: 338
Registered: ‎11-21-2018

Re: MF644CDW Terrible Streaking Issue

Hello JasonLP,


If you have already cleaded the fixing assembly and the qualiy has not improved, you can also try cleaning the image transfer belt using the steps in the link porvided HERE. 


If cleaning the ITB did not improve the print quality, it looks like there is something wrong with the toner cartridge or there is something wrong with the hardware. In that situation, I would suggest contacting support at 1-800-652-2666, our agents would be happy to assist and can provide any available service options.

powered by Lithium

LIKE US on Facebook FOLLOW US on Twitter WATCH US on YouTube CONNECT WITH US on Linkedin WATCH US on Vimeo FOLLOW US on Instagram SHOP CANON at the Canon Online Store
© Canon U.S.A., Inc.   |    Terms of Use   |    Privacy Statement