The "Tech Menu" allows you to clear counters, perform tests and some other things that the normal user should not be able to access. To enter the Tech Menu, press *very quickly* in sequence the following buttons: - Menu (up) - Back (down) - Left - Right - Ok (center) - Stop/Clear - Menu (up) To clear counters (imaging unit, paper roller, scanner, transfer belt, etc.): - Data setup - Clear count - Enter code 1934 (left/right to increase value, ok and back to change digit) If your printer has a numerical keypad, enter the following to access the Tech Menu: - Menu - # - 1 - 9 - 3 - 4 - Menu