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klmunozea · ‎08-29-2024

I'm getting a lot of toner splatter from my MF644Cdw. I've tried the cleaning the fixing assembly and ITB with no improvement.

shadowsports · ‎08-29-2024

Greetings,

Are you using Canon toners or 3rd party?

Are all colors splattering or just one?

~Rick
Bay Area - CA

~R5 C (1.1.2.1), ~R50v (1.2.0) ~RF Trinity, ~RF 100 Macro, ~RF 100~400, ~RF 100~500, ~RF 200-800 +RF 1.4x TC, BG-R10, 430EX III-RT ~DxO PhotoLab Elite ~DaVinci Resolve Studio ~ImageClass MF644Cdw/MF656Cdw ~Pixel 10 ~CarePaks Are Worth It

Hector · ‎06-25-2025

Hello,

The issue you are describing usually points to a faulty/leaking toner cartridge. You can remove the cartridges and check for any loose toner power in the printer or if any of the toner cartridges are leaking. If the dots/splatter are one specific color, it usually points to an issue with that toner cartridge.

Canon Community

Toner Splatter: Color imageCLASS MF644Cdw