HP 4650n HP Color LaserJet 4650 series printer - User Guide - Page 62

Diagnostics menu The diagnostics menu allows you to run tests that can help you identify and solve problems with the printer. Menu item PRINT EVENT LOG SHOW EVENT LOG DISABLE CARTRIDGE CHECK Paper Path SENSOR TEST PAPER PATH TEST MANUAL SENSOR TEST COMPONENT TEST PRINT/STOP TEST Description This item will print an event log that will display the last 50 entries in the printer's event log, starting with the most recent. This item displays the last 50 events on the control panel display, starting with the most recent. This item allows you to remove a print cartridge to help determine which cartridge is the source of the problem. This item performs a test on each of the printer's sensors to determine if they are working correctly and displays the status of each sensor. This item is useful for testing the paper handling features of the printer, such as the configuration of the trays. This item performs a test to determine whether the paper path sensors are operating correctly. This item will activate individual parts independently to isolate noise, leaking, and other hardware issues. This item isolates print quality faults more accurately by stopping the printer in mid-print cycle. Stopping the printer in mid-print cycle allows you to see where the image begins to degrade. Stopping the printer in mid-print cycle will cause a jam that may need to be manually removed. A service representative should perform this test. 48 Chapter 2 Control panel ENWW