Maintain and troubleshoot | HP Pro L7400 specification

Contents
Configure the device (Windows)	50
Direct connection	50
Install the software before connecting the device (recommended)	50
Connect the device before installing the software	51
Share the device on a locally shared network	51
Configure the device (Mac OS)	52
Install the software for a direct connection	52
Share the device on a locally shared network	52
Uninstall and reinstall the software	53
8 Maintain and troubleshoot
Supported ink cartridges	56
Replace the ink cartridges	56
Maintain the printheads	57
Check printhead health	58
Print the print quality diagnostic page	58
Align the printheads	59
Calibrate the linefeed	60
Clean the printheads	60
Clean the printhead contacts manually	60
Replace the printheads	63
Store printing supplies	64
Store ink cartridges	65
Store printheads	65
Clean the device	65
Clean the scanner glass	65
Clean the exterior	66
Troubleshooting tips and resources	66
Solve printing problems	66
The device shuts down unexpectedly	67
Error message appears on control-panel display	67
The device is not responding (nothing prints)	67
Device does not accept printhead	68
Device takes a long time to print	68
Blank or partial page printed	68
Something on the page is missing or incorrect	69
Placement of the text or graphics is wrong	69
The device prints half a page, then ejects the paper	70
Poor print quality and unexpected printouts	70
Poor quality printouts	71
Meaningless characters print	71
Ink is smearing	72
Ink is not filling the text or graphics completely	72
Output is faded or dull colored	72
Colors are printing as black and white	72
Wrong colors are printing	73
Printout shows bleeding colors	73
Colors do not line up properly	73
Lines or dots are missing from text or graphics	73

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HP Pro L7400 manual Maintain and troubleshoot

Contents

HP Officejet Pro L7400 All-in-One series Page HP Officejet Pro L7400 All-in- One series Hewlett-Packard Company notices Safety informationAccessibility Copyright information Contents Copy Configure and manageScan Maintain and troubleshoot Support and warranty HP supplies and accessories Regulatory information Device specifications Location Get startedFind other resources for the product Resource Description Understand the device parts Printing supplies area Front view Control panel buttons and lights Back viewLabel Description Recommended Connection information To install the duplexer Install the accessoriesInstall the duplexer Install Tray To install Tray Turn on accessories in the print driver To turn on accessories on Macintosh computers To turn on accessories on Windows computersClick Apply Changes Status messages Use the deviceUse control panel menus Control-panel message types To change settings from the control panel Change device settingsError messages Critical error messages Use the HP photo and imaging software Use the HP Solution Center Windows Load an original on the scanner glass Load originalsTo open the HP Photosmart Software on a Windows computer Select print media Tips for selecting and using print mediaTo load an original on the scanner glass Understand specifications for supported media Standard media sizes Media size TrayEnvelopes Photo media CardsOther media Tray Type Weight Paper 60 to 105 g/m2 Understand supported media types and weightsCapacity Set minimum margins Load mediaMedia Left Right Top Bottom Margin To load Tray 1 main tray To load Tray Want to Configure traysFollow these steps Print on special and custom-sized media Print borderless Click Properties or SetupTo print a borderless document Windows Open the Paper Type/Quality panel To print a borderless document Mac OS To change the settings Change print settingsChange default settings for all future jobs Windows Change settings Mac OS To print manually on both sides of a page Windows Print on both sides duplexingGuidelines for printing on both sides of a Perform duplexing Open the Two-Sided Printing panel To print manually on both sides of a page Mac OSTo print automatically on both sides of a page Windows To print automatically on both sides of a page Mac OS Cancel a print job To make a copy from the control panel Change the copy settingsCopy Make copies from the control panel Set the copy paper size Set the number of copiesSet the copy paper type To change the copy quality from the control panel Paper type Control panel settingChange copy speed or quality To set the paper type for copies from the control panel Copy a legal-size document onto letter paper Resize an original to fit onto letter or A4 paperTo resize a document from the control panel To copy a legal-size document onto letter paper Adjust the lightness and darkness of your copyTo adjust the copy contrast from the control panel Enhance blurred areas of your copy To copy an overexposed photo from the control panel Cancel a copy jobEnhance light areas of your copy To copy a blurred document from the control panel Scan an original Scan Scan from a WIA-compliant program Scan from a TWAIN-compliant or a WIA-compliant programEdit a scanned original Scan from a TWAIN-compliant program Cancel a scan job Change scan settingsEdit a scanned photo or graphic Mac OS Configure and manageManage the device Windows Use device management tools Administer the deviceMonitor the device Open the Toolbox Toolbox WindowsToolbox tabs HP Printer Utility panels Information and Support panel HP Printer Utility Mac OS HP Instant Support Printer Settings panel MyPrintMileage Understand the self-test diagnostic Understand the self-test diagnostic Direct connection Configure the device Windows To connect the device Connect the device before installing the softwareShare the device on a locally shared network Install the software for a direct connection Configure the device Mac OSShare the device on a locally shared network To uninstall from a Windows computer, method Uninstall and reinstall the softwareTo share the device among computers running Mac OS To uninstall from a Windows computer, method Uninstall and reinstall the software Supported ink cartridges Maintain and troubleshootReplace the ink cartridges To replace the ink cartridges Maintain the printheads Check printhead health Print the print quality diagnostic Align the printheads Calibrate the linefeed Clean the printheadsClean the printhead contacts manually To clean the printhead contacts manually Maintain the printheads Chapter To replace the printheads Replace the printheads Store printing supplies Store ink cartridges Clean the deviceClean the scanner glass To clean the scanner glass Solve printing problems Troubleshooting tips and resourcesClean the exterior Device shuts down unexpectedly Error message appears on control-panel displayDevice is not responding nothing prints Device takes a long time to print Device does not accept printheadBlank or partial page printed Something on the page is missing or incorrect Placement of the text or graphics is wrong Check the media size Check the page-orientation settingPoor print quality and unexpected printouts Device prints half a page, then ejects the paper Meaningless characters print Poor quality printouts Colors are printing as black and white Ink is smearingInk is not filling the text or graphics completely Output is faded or dull colored Colors do not line up properly Solve paper-feed problemsWrong colors are printing Printout shows bleeding colors Media is not picked up from a tray Another paper-feed problem is occurringOptional Tray 2 cannot be inserted Media is not supported for the printer or tray No copy came out Solve copy problems Copy quality is poor Copies are blankDocuments are missing or faded Size is reduced Copy defects are apparent Solve scan problems Scan takes too long Scanner did nothingPart of the document did not scan or text is missing Check the originals Error messages appearText cannot be edited Scanned image quality is poor Scan defects are apparent Check the hardware connections Troubleshoot installation issuesHardware installation suggestions Size is reduced Check the device to ensure the following Software installation suggestionsVerify installation preliminaries Check the computer system Clear a jam in the device Clear jamsTo clear a jam Chapter Tips for avoiding jams Supplies HP supplies and accessoriesAccessories Order printing supplies online HP media Printheads Support and warranty Hewlett-Packard limited warranty statement Obtain HP telephone support Obtain electronic supportBefore you call Phone support period If you have a problem, follow these stepsSupport process HP support by phone Appendix B Support and warranty Placing a call After the phone support period Additional warranty options Call HP Korea customer support HP Quick Exchange Service Japan Remove the ink cartridges and printheads before shipment Prepare the device for shipmentTo remove ink cartridges before shipment To remove printheads before shipment Remove the control-panel faceplateTo remove the control-panel faceplate Pack the device To pack the device Processor and memory specifications Device specificationsPhysical specifications Product features and capacities Minimum requirements System requirementsDevice memory Operating system compatibility Environmental specifications Print specificationsCopy specifications Scan specifications Electrical specifications Regulatory information FCC statement Toxic and hazardous substance table LED indicator statement Regulatory model number Declaration of conformity Environmental product stewardship program Appendix D Index Symbols/NumericsPage OCR Page Twain 114