Our family laser printer recently started flashing the “Low Toner” warning. I did the usual trick of rocking the cartridge, and then allowed the Geeklings to print out their essays and ...

If you can’t find specific instructions for your model, there are some catchall methods: Try removing your toner cartridge and leaving the toner bay open for 15 or 20 seconds—the printer’s ...

Some of Canon’s own toner cartridges are now being detected as fakes — and they’re forcing the company to teach customers how to bypass its ink DRM.