HP LaserJet P4015 Printer series - Manual (Page 49)

Diagnostics menu
Administrators can use this submenu to isolate parts and to troubleshoot jam and print-quality issues.
Item Values Explanation
PRINT EVENT LOG There is no value to select. Press OK to generate a list of the 50 most recent entries in the
event log. The printed event log shows error number, page
count, error code, and description or personality.
SHOW EVENT LOG There is no value to select. Press OK to scroll through the contents of the event log at the
control panel, which lists up to the 50 most recent events.
Press the up arrow or the down arrow to scroll through
the event log contents.
PAPER PATH SENSORS There is no value to select. Use this item to test each of the sensors in the paper path.
Press
OK to initiate the test, and then use the menus to print
an internal page, such as a configuration page.
PAPER PATH TEST PRINT TEST PAGE Generates a test page that is useful for testing the paper-
handling features of the product.
NOTE: Set the other items before selecting PRINT TEST
PAGE.
Press OK to start the paper-path test using the source (tray),
destination (output bin), duplex, and number of copies settings
that you set in the other items on the Paper Path Test menu.
SOURCE Select the tray that uses the paper path that you want to test.
You can select any tray that is installed. Select ALL TRAYS to
test all paper paths. (Paper must be loaded in the selected
trays.)
DESTINATION Select which output bin to include in the test. You can select
all bins.
DUPLEX Determine whether the paper goes through the duplexer during
the paper-path test. The menu item appears only if the device
includes a built-in duplexer.
COPIES Set how many sheets of paper are used from each tray during
the paper-path test.
MANUAL SENSOR TEST 1 There is no value to select. HP service personnel can use this item to manually test a
sensor. Locate the sensor inside the product and manually
activate it. If the value changes from 0 to another number, the
sensor is working.
MANUAL SENSOR TEST 2 There is no value to select. This item lists additional sensors to test.
COMPONENT TEST A list of available components
appears. HP service personnel can use this item to test various internal
components to isolate the source of a problem, such as noise.
Before beginning a test, set the value for the REPEAT
frequency: ONCE or CONTINUOUS. Then, select the
component that you want to test.
To identify noise problems, listen carefully as you perform each
test.
PRINT/STOP TEST STOP TIME Specify a length of time, in milliseconds, at which the product
should stop while performing a test.
ENWW Diagnostics menu 37