HP LaserJet Enterprise 600 Service Manual - Page 219
Troubleshooting process, Table 3-7
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Table 3-7 Troubleshooting flowchart 1 Power on Is the product on and does a readable message display? Yes No Follow the power-on troubleshooting checks. See Power subsystem on page 196. After the control panel display is functional, see step 2. 2 Control panel messages Does the message Ready display on the control panel? Yes No If an error message displays, see Interpret control-panel messages, status-alert messages, and event code errors on page 266. After the errors have been corrected, go to step 3. 3 Event log Open the Troubleshooting menu and print an event log to see the history of errors with this product. Does the event log print? Yes No If the event log does not print, see Print an event log on page 351. If paper jams inside the product, see Clear jams on page 353. If error messages display on the control panel when you try to print an event log, see Print an event log on page 351. 4 Configuration/ Status Pages After successfully printing and evaluating the event log, see step 4. Open the Reports menu and print the configuration pages to verify that all the accessories are installed. NOTE: To display: At the product control panel, press the Home button, select the Administration menu, and then select the Reports menu. If accessories that are installed are not listed on the configuration page, remove the accessory and reinstall it. After evaluating the configuration pages, see step 5. Are all the accessories installed? Yes No 5 Image quality Does the print quality meet the customer's requirements? Yes No Compare the images with the sample defects in the image defect tables. See Print-quality examples on page 380. After the print quality is acceptable, see step 6. 6 Interface Can the customer print successfully from the host computer? Yes. This is the end of No the troubleshooting process. Verify that all I/O cables are connected correctly and that a valid IP address is listed on the Jetdirect configuration page. If error messages display on the control panel, see Print an event log on page 351. When the customer can print from the host computer, this is the end of the troubleshooting process. ENWW Troubleshooting process 195