HP PageWide Managed P77740 Printhead Assembly Install Guide - Page 7

8 Remove the printhead assembly NOTE: Special instructions are provided at the end of this procedure that must be followed to make sure that the replacement printhead assembly installation is successful. 8.1 8.2 1 Remove the print cartridges, and then install the shipping fluid cap. NOTE: Make sure that the start-up supplies (included with the replacement assembly) are used when the power is turned on for the first time after replacing the printhead assembly. Make sure that clean unused paper is loaded in Tray2. TIP: If the original fluid cap is not available, use the one that is installed in the replacement printhead assembly. Before proceeding, do the following: TIP: This is a removal only step. When installing the replacement printhead, skip this step (the printhead wiper will already be in the home position). a) Check the location of the printhead wiper. If it is in the correct position (all the way in and under the printhead), go to step 8.2. If it is not in the correct position (for example, callout 1), continue with these sub steps. 1 2 3 b) Support the printhead bar (callout 1), and then disengage a spring loaded gear (callout 2; pull it toward the front of the printer). Make sure the printhead is fully raised, and then turn the manual wiper movement shaft counterclockwise (callout 3) to move the wiper into the printer. Continue to turn the shaft until the wiper stops. 7