Replace the printhead | HP CQ893AB1K manual

Replace the printhead

TIP: When the printhead has been replaced, the printer will automatically perform a printhead alignment on the loaded paper. If you would like to perform the printhead alignment on a different paper (perhaps from the multi-sheet tray), you could change the paper before starting this procedure. Plain white paper is recommended.

1.Make sure the printer is turned on.

2.If your printer is on a stand, make sure the printer wheels are locked (the brake lever is pressed down) to prevent the printer from moving.

3.From the front panel, press , then Image quality maintenance > Replace printhead.

4.Open the ink cartridge cover.

5.Wait until the carriage stops moving.

6.Press each ink cartridge to unlock it.

82 Chapter 10 Maintaining the printer

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HP CQ893AB1K manual Replace the printhead

Contents

Designjet T120 and T520 ePrinter Series Legal notices Table of contents Web-connected printing Paper handlingPrinting Practical printing examples Handling ink cartridges and printhead AccessoriesTroubleshooting paper issues Maintaining the printer Troubleshooting data communication issues 120 Troubleshooting print-quality issues 106Troubleshooting ink cartridge and printhead issues 118 Troubleshooting general printer issues 128 Front-panel error messages 132 HP Customer Care 134 Printer specifications 139Glossary 143 Index 146 Viii Introduction Use and maintenance Safety precautionsUsing this guide HP Start-Up Kit Glossary TroubleshootingAccessories, support and specifications Index Printer’s main features Printer models Printer’s main components Front view T520 Rear view T520 Rear view T120 Front panel Communication ports Left and right fixed icons Home screen dynamic icons Web Services Printer software Turn the printer on and off HP Designjet ePrint & Share Printer’s internal prints Enww Connecting the printer Choose which connection method to use Connect the printer to your network Printer software installation Connect a computer to the printer by network Windows Connect a computer to the printer by USB cable Windows Select USB Cable Printer sharing considerations Uninstall the printer software WindowsConnect a computer to the printer by network Mac OS Bonjour connection TCP/IP connection Click Continue Connect a computer to the printer by USB cable Mac OS Uninstall the printer software Mac OS Sharing the printer Setting up the printer Introduction Automatic firmware updateTo access alert settings under Windows Turn email notifications on and off To access alert settings under Mac OS Control access to the Embedded Web Server Set up Web ServicesSet Windows driver preferences Personalizing the printer Access the Embedded Web Server Change the language of the front-panel displayChange the language of the Embedded Web Server Change the auto-off setting Access the HP UtilityChange the sleep mode setting Change the language of the HP Utility Configure network settings Configure firewall settings Create a firewall rule Reset firewall settingsLimitations to rules, templates, and services Change the priority of firewall rules Manage ePrinter security Change your printer’s email address Paper handling General paper-loading advice Load a roll onto the spindle Load a roll into the printer Load a roll into the printer Unload a roll Load a single sheet Load a single sheet Unload a single sheet Use the multi-sheet tray View information about the paper Maintain paper Change the drying timeTurn the automatic cutter on and off Form feed with or without cutting Printing Print from a computer using a printer driver Advanced print settingsSelect print quality Select paper size Use the Windows printer driverUse Windows forms Select margins options Use the Mac OS X printer driver Print on loaded paper Rescale a printPrint a draft High-quality printing Use paper economicallyUse ink economically Color management Color management optionsPrinter emulation Printing in grayscale or black-and-white Web-connected printing Print remotely with HP Designjet ePrint & Share Print by email Print from a smartphone or tablet Enww View and print from the HP Designjet ePrint & Share website Enww View and print from other content repositories Create your Online Print History Enww Practical printing examples Print from Adobe Acrobat Print from Adobe Acrobat Enww Print from Autodesk AutoCAD Enww Enww Using printer emulation T520 only Using clip contents by margins Print from Adobe Photoshop Enww Print and scale from Microsoft Office Using PowerPoint Using Project Select File Page Setup Print Enww Using Excel Enww Enww Handling ink cartridges and printhead About the ink cartridges Storage of anonymous usage informationCheck ink cartridge status Replace an ink cartridge About the printhead Maintaining the printer Check printer status Clean the exterior of the printerPrint Quality Diagnostic Report Take care of the printer Clean the printhead Clean the printhead from the front panelCorrective actions Clean the printhead from the Embedded Web Server Clean the printhead from the HP UtilityAlign the printhead Replace the printhead Replace the printhead Enww Enww Clean the encoder strip Recalibrating the paper advance procedure Return to default calibrationRecalibrate the paper advance Firmware update Move or store the printer Software update Printer maintenance kits Accessories How to order supplies and accessories Order ink suppliesOrder paper Roll paper Sheet paper Stand Introduction to the accessoriesOrder accessories Spindle Troubleshooting paper issues Paper cannot be loaded successfully Unsuccessful roll loadUnsuccessful sheet load Paper loading error messages Unsuccessful load from the multi-sheet tray Photo paper Paper type is not in the driverTransparent or translucent film Bond and coated or technical paper Black ink is easily removed when touched Printer printed on the wrong paper typePaper mismatch Roll has jammed Multi-sheet tray has jammed Enww Strip stays on the output tray and generates jams Prints do not fall neatly into the bin Printer displays out of paper when paper is availablePaper is cut when the print has been completed Cutter does not cut well Roll is loose on the spindle Troubleshooting print-quality issues General printing advice Horizontal lines across the image banding Lines are too thick, too thin or missing Lines appear stepped or jagged Lines print double or in the wrong colors Lines are discontinuous Lines are blurred Line lengths are inaccurate Whole image is blurry or grainy Paper is not flat Print is scuffed or scratched Ink marks on the paperHorizontal smears on the front of coated paper Black ink comes off when you touch the print Edges of objects are stepped or not sharpInk marks on the back of the paper White spots on the print Edges of objects are darker than expectedVertical lines of different colors Colors are inaccurate Colors are fading Image is incomplete clipped at the bottomImage is clipped Some objects are missing from the printed image If you still have a problem Troubleshooting ink cartridge and printhead issues Cannot insert an ink cartridge Ink cartridge status messagesCannot insert the printhead Troubleshooting data communication issues Communication failures between computer and printer Wired network issues Wireless network issues Advanced wireless network troubleshootingWindows Mac OS Add hardware addresses to a wireless access point WAP Double-clickServices and Applications, then click Services Web Services issues Network configuration Network configuration Troubleshooting general printer issues Printer does not start Printer does not printPrinter seems slow Cannot access the Embedded Web Server Front panel is frozenAlerts Alerts Front-panel error messages 1Text messages 133 HP Customer Care Introduction HP Professional Services HP Support CenterHP Start-Up Kit HP Care Packs and Warranty Extensions HP InstallationHP Proactive Support Customer Self Repair Contact HP SupportConvenient, easy to use Telephone number Printer specifications Functional specifications HP 72 ink supplies Physical specifications For a list of supported glossy papers, see Order paper on Ecological specifications Environmental specifications Memory specificationsPower specifications Acoustic specifications Glossary Bonjour HP RTL TCP/IP Index Order 112 Scuffed prints