User manual HP OFFICEJET PRO 8000

[. . . ] OFFICEJET PRO 8000 User Guide A809 HP Officejet Pro 8000 (A809) Printer Series User Guide Copyright information © 2009 Copyright Hewlett-Packard Development Company, L. P. Hewlett-Packard Company notices The information contained in this document is subject to change without notice. Reproduction, adaptation, or translation of this material is prohibited without prior written permission of HewlettPackard, except as allowed under copyright laws. The only warranties for HP products and services are set forth in the express warranty statements accompanying such products and services. Nothing herein should be construed as constituting an additional warranty. [. . . ] Obtain a clean, dry, soft, and lint-free cleaning material. Suitable materials include paper coffee filters and eyeglass lens cleaning paper. Wipe the electrical contacts on the printhead, but do not touch the nozzles. CAUTION: The electrical contacts are small copper-color squares, grouped on one face of the printhead. The nozzles are on a different face of the printhead. Touching the nozzles can cause permanent nozzle damage. Also, ink can permanently mark clothing. After cleaning, place the printhead on a sheet of paper or paper towel. Make sure the nozzles are facing up and are not in contact with the paper. Clean the electrical contacts in the printhead slot inside the device with a clean, dry, soft, and lint-free cloth. 10. Insert the printhead into its color-coded slot (the label on the printhead must match the label on the printhead latch). Press down firmly on the printhead to ensure proper contact. Pull the printhead latch all the way forward, and then press down to ensure that the latch is properly engaged. You might have to apply some pressure to engage the latch. Maintain the printheads 63 Chapter 5 12. If the printhead light is still blinking, repeat the cleaning procedure described above for the printhead which corresponds to the blinking printhead light. If the printhead light continues to blink, replace the printhead which corresponds to the blinking printhead light. Wait while the device initializes the printheads and prints the alignment pages. If the device does not print the pages, start the alignment process manually. For more information, see To align the printheads. To calibrate the linefeed If your printout shows bandings (dark or light lines across colored block) or staggered lines, calibrate the printer's linefeed. · Control panel: Press and hold the Power button, press the Cancel button · · · 14 times, press the Resume button six times, and release the Power button. Embedded Web server: Click the Settings tab, click Device Services in the left pane, select Calibrate Linefeed from the drop-down list in the Print Quality section, and then click Run Diagnostic. HP Toolbox (Windows): Click the Services tab, click Calibrate Linefeed and follow the onscreen instructions. HP Printer Utility (Mac OS X): Click Calibrate Linefeed from the Information and Support panel. To replace the printheads NOTE: To find out which printheads work with your printer, see Supplies. [. . . ] Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. Neither the name of the project nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission. [. . . ]