HP PageWide Pro 777 Printhead Assembly Install Guide - Page 16

13.3 13.4 c. Grasp the green handle on the service fluid container, and then push it straight into the printer. d. Close the left door. 14 HP PageWide Pro 750/772/777 Complete the printhead installation NOTE: HP PageWide Enterprise 765/780/785: go to step 15. Complete the printhead assembly installation IMPORTANT: Make sure that the start-up cartridges are installed before proceeding. Used cartridges might not contain enough ink to validate and initialize the replacement printhead assembly. • In the unlikely event that a supply is missing or defective, substitute a regular full trade supply for the missing or defective supply. The initialization process uses a considerable amount of ink, so the substitute supply must be new to avoid an out of ink condition during printhead initialization. www.hp.com/support/pagewidecolor750, or www.hp.com/support/pagewidecolor772MFP and select PQ Troubleshooting Tools. Print a print quality report a. From the Home screen on the printer control panel, scroll to and touch the Support Tools button. b. Open the following menus: • Troubleshooting • Print Quality • Diagnostic Pages c. Select the Print a Print Quality Report item to print the page. NOTE: These processes use paper. Make sure that paper is loaded in the trays. a. Turn the printer power on. b. When the New Printhead Assembly in the Printer screen displays on the control-panel display, touch the Next button. c. The Service menu sign in screen displays. Touch the Enter Access Code item. d. Use the keypad to enter the following printer service access personal identification number (PIN), and then touch the Done button: • 05075017 NOTE: It might take up to 2 minutes to enter the Service menu. e. Touch the Setup the Printhead item. f. Wait for the printhead validation process to complete. A page prints during this process. Discard this page. NOTE: The printhead validation process takes about 2 to 3 minutes. g. When prompted, touch Continue to initialize the printhead. NOTE: The printhead initialization process takes about 25 minutes. Several pages print during this process. Discard these pages. h. After the printhead initialization process is complete, touch the OK button, touch the Done button, and then touch the Exit button. Touch Normal to leave the Service menu (the printer restarts in Normal mode). i. Print a print quality report, and then verify that the print quality is acceptable. TIP: To get further assistance in print-quality troubleshooting, go to 16