Xerox 3450B - Phaser B/W Laser Printer, Service Manual, Page: 55 / 180

3-8 Phaser 3450 Laser Printer Service Manual
Service Diagnostics
The Phaser 3450 Laser Printer has built-in diagnostics to aid in troubleshooting
problems with the printer. The Service Diagnostics Menu provides a means to test
sensors, motors, switches, clutches, fans and solenoids. Diagnostics also contain
built-in test prints, cleaning procedures, printer status and some NVRAM access.
Service diagnostics are to be executed through the front panel by a certified service
technician only. The printer must be rebooted to enter Service Diagnostics:
Entering Service Diagnostics:
1.
Turn the printer power OFF.
2.
Hold down the OK button and turn the printer back ON.
3.
Continue to hold the button until the following mesage is displayed on the front
panel:
“Diagnostic Mode” / “Press Menu Key”
, and then release the OK
button.
4. Press the Menu button and use the Arrow buttons to scroll through the available
functions (see the following Button Functions and Menu Map).