Ever since I acquired it, less than a hundred pages ago, this printer's paper output has featured horizontal bands - the denser the color, the denser the streaks.
The printer is a Canon i-SENSYS MF-8340Cdn.
The original test image :
The same test image, printed and scanned :
The printer's diagnostics tell me that the toner cartridges are full. I see no contamination of any sort inside the printer.
Can anyone tell me what is going on ?