Have Dell 3115cn printer, installed an Innovera cyan cartridge, and the dell keeps saying restart, will not read the cartridge
Probably a chip problem.
Its worth taking the cartridge out (with the printer switched on), close front door, wait for 'Insert C cartridge' message, switch off printer, put new cartridge in, close door, switch on - may clear the problem.
I've seen this before with these cartridges, there was a bad batch of chips around.
If still have your old cartridge, swap the chips over, and try your new toner with the old chip (and for completeess, your old toner with the new chip. If the message changes, the chip that was on the new cartridge is faulty. If it doesn't there's something wrong with the cartridge.
Either way, if there's a cartridge problem, it needs a word with the supplier.