HP T1120ps HP Designjet T1120 Printer Assembly Instructions: English - Page 9

Install the printheads 59 When you have inserted all of the ink cartridges correctly, the printer must prepare the ink system for its first use. It will do this immediately if you press the OK key, or after a 60-second pause if you do not press the OK key. When the ink system is ready, the front panel will prompt you to open the window. 60 Open the window and grasp the blue handle of the printhead cover. 61 Pull the blue handle towards you as far as it will go. 62 Lift the handle up to open the printhead cover. The front panel prompts you for the next step: removing the printheads. Do not press OK until you have removed all the printheads. 63 The setup printheads exist only to prevent the escape of ink during ink cartridge installation. The front panel now prompts you to remove the setup printheads and press the OK key when you have finished. 64 Remove and discard all orange setup printheads.You may need to use force to extract each printhead. The setup printheads contain ink, which could leak out. Avoid touching pins, leads or circuits. 65 Press the OK key on the front panel when you have removed all of the setup printheads. The front panel then prompts you to install the new printheads. 66 Unwrap each printhead and remove all orange parts.