3 ms·
My Brother laser printer counts toner consumption (i.e. page count) with a keyed gear on the toner cartridge, different cartridge capacities have different shap
by bingaling 4y ago
My Brother laser printer counts toner consumption (i.e. page count) with a keyed gear on the toner cartridge, different cartridge capacities have different shaped gears, resetting the gear orientation resets the counter.