And before you replace it you just take it out, shake it a bit and put it back in again for another 200 pages. Repeat until it starts giving you missing lines o

And before you replace it you just take it out, shake it a bit and put it back in again for another 200 pages. Repeat until it starts giving you missing lines on the pages. This can be going on for many cycles. I just plopped in my spare that been sitting half a year waiting for it's turn when the printer started complaining about low toner.