Sharp MX-M623 MX-M623 MX-M753 Operation Manual - Page 876

TROUBLESHOOTING OTHER PROBLEMS Problem Preview images or thumbnail images do not appear. The touch panel screen is difficult to view. You were logged out without having performed logout yourself. You forgot the administrator password. Point to check Are there a number of jobs waiting to be executed? Solution Wait until several of the jobs have been executed. Is the display contrast properly adjusted? Did Auto Clear activate? Was the administrator password changed from the factory default setting? Touch the brightness adjustment key ( ) on the system bar in the touch panel to adjust the brightness. ☞ 1. BEFORE USING THE MACHINE "SYSTEM BAR" (page 1-13) Log in again. When user authentication is used, the currently logged in user will be automatically logged out if Auto Clear activates. (Except when in PC scan mode.) If you are the administrator, you can change the time setting of Auto Clear or disable Auto Clear in "Auto Clear Setting". ➞ System Settings (Administrator) > "Operation Settings" > "Other Settings" > "Auto Clear Setting" Contact your dealer or nearest SHARP Service Department. For the factory default administrator password, see "TO THE ADMINISTRATOR OF THE MACHINE" in the Safety Guide. After changing the password, take special care to remember it. 8-57 Contents