HP 4600 Service Manual - Page 419
Individual diagnostic tests, Print the event log View the event log on the control-panel display
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Individual diagnostic tests The following sections explain in more detail how to operate the various diagnostics correctly. Print the event log page The event log lists the printer events, including jams, service errors, and other printer conditions. 1 Press (HP Color LaserJet 4600 models) or MENU (HP Color LaserJet 4610n and 4650 models) to open the MENUS. 2 Press to highlight DIAGNOSTICS. 3 Press to select DIAGNOSTICS. 4 Press to highlight PRINT EVENT LOG. 5 Press to select PRINT EVENT LOG. The message PRINTING... EVENT LOG appears on the control-panel display until the printer finishes printing the event log. The printer returns to the Ready state after printing the event log. View the event log on the control-panel display The show event log lists the last 50 printer events on the control-panel display. (The most recent event is listed first). 1 Press (HP Color LaserJet 4600 models) or MENU (HP Color LaserJet 4610n and 4650 models) to open the MENUS. 2 Press to highlight DIAGNOSTICS. 3 Press to select DIAGNOSTICS. 4 Press to highlight SHOW EVENT LOG. 5 Press to select SHOW EVENT LOG. Print the PQ troubleshooting pages The PQ troubleshooting pages are a series of print-quality assessment pages that you can use to troubleshoot print-quality problems. Follow the instructions on page one of the PQ troubleshooting pages to solve print-quality problems. 1 Press (HP Color LaserJet 4600 models) or MENU (HP Color LaserJet 4610n and 4650 models) to open the MENUS. 2 Press to highlight DIAGNOSTICS. 3 Press to select DIAGNOSTICS. 4 Press to highlight PQ TROUBLESHOOTING. 5 Press to select PQ TROUBLESHOOTING. The message PRINTING... PQ TROUBLESHOOTING appears on the control-panel display until the printer finishes printing the PQ troubleshooting pages. The printer returns to the Ready state after printing the PQ troubleshooting pages. ENWW Diagnostics 403