I have many assignments I'm needing to print off but I keep getting this same result. There is a picture provided below. If I'm not mistaken, I replaced the black ink cartridge a few weeks ago because I kept getting this problem but it's not helping at all. I have a Canon i70 printer and a Mac computer, if that matters.
1) No Smoking. A cigarette might set it off. 2) No smoke whatsoever. A cook in the canteen kitchen burned the lunch and the whole building was evacuated, real story from my workplace a month ago. 3) The alarm may fail to detect actual smoke, people may worry this device hangs there, looks like it provides safety, but will it work when the room fills with smoke, or will it just hang there uselessly?
Soak in a hot tub for a while. Get in bed if you have an electric blanket after the soak.