Xerox WorkCentre 7655

Procedure

1. Simultaneously press and hold the *, #, and Stop buttons on the UI.
2. On the Service Diagnostics Login screen, enter 6789, then select Enter.
3. The machine will reboot. This may take several minutes.
4. When the Service Diagnostics screen is displayed, you will see the following tab choices:
   Service Information
   This is the default tab for UI Service Diagnostics. It contains the following:
   General information (serial #, product code, image count, s/w version, IP address).
   dC120, dC122, dC108, and dC135
   
   Diagnostics
   This tab contains:
   dC330 and dC612.
   
   Adjustments
   This tab contains:
   dC131, dC301, dC527, dC671, dC673, dC675, dC740, dC919, dC924, dC937,
   dC945, dC950, dC956, and dC991.
   
   Maintenance
   This tab contains:
   dC120, dC122, dC135, and dC710.
   
   Call Closeout
   The selections within this tab allow you to choose which subsystems are rebooted when you exit UI diagnostic mode.
5. Select the desired routine within one of these tabs and touch Launch Routine to call up diagnostic routines. These routines are essentially the same as the like-named routine in the PWS tool (while the look of the screen may vary slightly, the functions are the same).