Any suggestions? I have an 18k Pilot Elite Elite that has gone through 3 cycles (24 minutes total) in the ultrasonic and ink is still running out of it. I don't have ammonia to make pen cleaner, but I do have glass cleaner (water, 2-butoxyethanol, color s

Any suggestions? I have an 18k Pilot Elite Elite that has gone through 3 cycles (24 minutes total) in the ultrasonic and ink is still running out of it. I don't have ammonia to make pen cleaner, but I do have glass cleaner (water, 2-butoxyethanol, color s