Using the Front Panel Using the Front Panel Below is a diagram of the front panel. View Loaded Paper Up and Down View Ink Levels Cancel OK Power Form Feed and Cut Menu Unload Paper Back Key Function „ Arrow Keys Use the Arrow keys to scroll through a menu or toggle between YES or NO when prompted. „ Cancel Use the Cancel key to abort or stop a procedure or reject test results. „ OK Use the OK key to select a menu option. „ Power Use the Power key to turn the printer ON and OFF. „ Menu Use the Menu key to enter the main menu. „ Back Use the Back key to go back to the previous menu or reject test results.
Service Key Combinations „ Diagnostic mode With the printer OFF, press and hold the UP and OK keys. While holding the Up and OK keys down, press and hold the Power key to turn on the printer. Hold all three keys until the Power key stops flashing, usually about 5 seconds. „ Service Menu (Service Engineers Only) From the main menu, press and hold the Up and Cancel keys. „ Service Menu (For users) From the main menu, press and hold the Down and Cancel keys. HP Designjet T Series — Service Manual 1-3