HP 3390 Service Manual - Page 269

Service menu Use the control-panel Service menu to troubleshoot all-in-one problems. Restoring the factory-set defaults Restoring the factory-set defaults returns all of the settings to the factory defaults, and it also clears the fax header name and phone number. CAUTION This procedure clears fax numbers and names that are associated with one-touch keys and speed-dial codes, and deletes any pages that are stored in the memory. The procedure then automatically restarts the all-in-one. To restore the factory-set defaults 1. On the all-in-one control panel, press Menu. 2. Use the < or the > button to select Service, and then press . 3. Use the < or the > button to select Restore defaults, and then press . The all-in-one automatically restarts. Cleaning the paper path The all-in-one features a special cleaning mode to clean the paper path. NOTE If you have access to HP ToolboxFX, HP recommends cleaning the paper path by using HP ToolboxFX. To clean the paper path 1. On the all-in-one control panel, press Menu. 2. Use the < or the > button to select Service, and then press . 3. Use the < or the > button to select Cleaning Mode, and then press . A page feeds through the all-in-one slowly. Discard the page when the process is completed. 4. Load plain letter or A4 paper when you are prompted. 5. Press again to confirm and begin the cleaning process. A page feeds through the all-in-one slowly. Discard the page when the process is completed. ENWW Troubleshooting tools 247