Canon could be facing a costly drop in production of both its digital cameras and laser printers, following reports that widespread protests in China have forced it close most of its factories in that country. It's a similar story at Panasonic, which is said to have had one of its plants "sabotaged" by Chinese workers. The anti-Japan protests concern the status of disputed islands in the East China Sea and were triggered by the Japanese government's move to purchase some of the land in question -- check the More Coverage link below for a more detailed explanation.Filed under: Cameras,