2-26 Phaser 7300 Color Printer Service ManualService DiagnosticsThe Phaser 7300 Color Printer has built-in diagnostics to aid in troubleshootingproblems with the printer. The Service Diagnostics Menu provides a means to testsensors, motors, switches, clutches, fans and solenoids. Diagnostics also containbuilt-in test prints, adjustments and calibrations, printer status and some NVRAMaccess and resets.Service diagnostics are to be executed by a service technician only, through the frontpanel. Service Diagnostics can be entered one of two ways:Enter without rebooting the printer (Hidden Service Menu):1. From the printer’s main menu, scroll to the Support Menu, press OK and thenscroll to the Service Tools Menu and press OK.2. Hold down the Up Arrow key and press the Down Arrow key.3. Scroll to Run Diagnostics and press OK.Enter by rebooting the printer:1. Turn the printer power OFF.2. Hold down the Back and Information keys simultaneously and turn the printerback ON.3. Continue to hold the keys until the following message is displayed on the frontpanel: Service Diagnostics V#.##, Initializing..., and then releasethe keys.4. The front panel displays the Service Diagnostics Menu.You can print a Service Diagnostics Menu Map by highlighting Print ServiceDiagnostics Menu, and press OK. The printer will run through POST and return toReady. You will then need to re-enter service diagnostics.Service Diagnostics Key Press and Function TableKey FunctionBACK Returns to the prior higher level menu structure, if available.If help text is displayed on the front panel, pressing BACK will restore the currentmenu item and remove the help text.CANCEL Terminates the current test. Cancels current INFO display.INFO Provides help information, if available.Pressing INFO again restores the current menu item and removes the help text.UP Scrolls up one menu item within a menu list. This control does not ‘wrap’.Used to increment data in tests requiring user input.DOWN Srolls down one menu item within a menu list.This control does not ‘wrap’, the end of a menu list is designated by threeasterisks.Used to decrement data in tests requiring user input.OK Enters the highlighted menu. Executes the current test item.Used to accept a data value entered by the user.
