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4-6 Service Tests
HP DesignJet CP Series Printers
Entering the Service Tests (Diagnostics) Menu System
1 Make sure the printer is switched OFF from the power switch on the
back of the printer and not from the standby button on the front of the
printer.
2 Hold the UP and ENTER keys down and switch the printer ON. Wait
until the message “Status/Initializing” is displayed on the front-panel
before releasing the UP and ENTER keys.
The reason for entering the Service Tests by powering ON is because
various tests are performed during the initialization of the printer and
also certain System Errors will cause an abnormal start up and will
never reach the “Status/Ready” message on the front-panel.
3 Once the message “Status/Ready” is displayed on the front-panel, press
the Enter key.
4 Use the Arrow keys to scroll to the “Utilities” menu display and press
the Enter button. Make sure that you are in the Full menu mode
because otherwise you will not be able to access the “Service Tests”
submenu.
5 Use the Arrow keys to scroll to the “Service Tests” menu display and
press the Enter button.
6 Use the Arrow keys to scroll to the “Diagnostics” menu display and
press the Enter button.
7 Use the Arrow buttons to scroll through the test selections.
8 Press the Enter button to begin a specific test when the required test is
displayed.
If the printer is not used for 5 minutes, the printer exits out of the
Service Mode and you must repeat the above steps to enter the service
mode again.
In some cases a quick press of a button may not be recognized by the
processor. When pressing a button, be sure to press it deliberately and
all the way to the bottom of its travel.
If the Printer hangs up during a test, switch the Printer OFF and restart
from step 2.
Once you are inside the Diagnostics submenu, the front-panel keys can be
used in the following way:
D Up Arrow - Go to the next test.
D Down Arrow - Go to the previous test.
D Previous - Exit the current test.
D Enter - Perform the current test.