Mar 10, 2016, 06:54 PM
Well I'm not an expert with the old cartridges but if it was filled with black dirt, you can try blowing in the cartridge with an air pump in case you didn't clean it out enough. The only other problem I could imagine is you could have bought a faulty battery. If neither of these are your problems, then a new cartridge will probably be the best option.
The minute you think of giving up, think of the reason why you held on so long.