F1-00 Code - How to clear?

Question

Read your earlier post on a similar problem.  I have a Sharp AR-C250 and have disconnected the sorter stapler because it jammed and the gears make a grinding noise.  In the end, we don't use the sorter and I want to remove it.  I am unable to test copier after disconnecting the cable because even after restarting, the code F1-00 still comes up to call for service.  Do you know how I can clear the code to test the copier?

Thank you!