Touch COPY in the screen and enter P - * - CA - P
Just be careful what you do in there. I would highly recommend you print a 22-6 before screwing around in extended test commands. If you did do something bad at least you have all the machines settings

Had a miscommunication once with a guy at Sharp over the phone. Lets just say i spent 20 minutes going through all the test commands entering values.
I just ran through sim 80 to 90 and i didn't see any thing that allows you change the default of the counters. Sim 21 lets you lower them or put them at the max for factory specs.
You can roll counters back in extended test commands but if your doing that you managewell just reset them unless your trying to squeak a extra 25k or something out of the supplies. Ive done that before when i don't have time to do a PM and the machine is like 1k copies from a PM. Roll it back 10k on the Maintainence counter so i have a extra week before they call about it.