ENWW Diagnostics menu 161
Diagnostics menu
Administrators can use this submenu to isolate parts and to troubleshoot jam and print-quality 
issues.
The following table lists the settings and possible values. In the Values column, the default value 
for each setting is the one with an asterisk (*) next to it.
Service menu
The Service menu is locked and requires a PIN for access. This menu is intended for use by 
authorized service personnel.
Item Values Explanation
PRINT EVENT LOG There is no value 
to select.
Press  (SELECT button) 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  (SELECT button) to scroll through the contents 
of the event log at the printer control panel and shows the 
50 most recent events. Use   (UP button) or   (DOWN 
button) to scroll through the event log contents.
PAPER PATH TEST There is no value 
to select.
Generates a test page that is useful for testing the 
paper-handling features of the printer.
PRINT TEST PAGE There is no value 
to select.
Press  (S
ELECT button) 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. Set the other items 
before choosing PRINT TEST PAGE.
SOURCE ALL TRAYS
TRAY 1
*TRAY 2
TRAY 3
Select the tray whose paper path you want to test. You can 
select any tray that is installed. Select ALL TRAYS to test all 
tray paper paths. (Paper must be loaded in the selected 
trays.)
DUPLEX *OFF
ON
Determine whether or not the paper goes through the 
duplexer during the paper path test. The menu item 
appears only if the printer includes a built-in duplexer 
(HP LaserJet 2300d printer, HP LaserJet 2300dn printer, 
and  HP LaserJet 2300dtn printer).
COPIES *1
10
50
100
500
Set how many sheets of paper are used from each tray 
during the paper path test. If you are testing the optional 
stapler stacker (DESTINATION item), select 10 or higher.