HP Pro 8500A - A910a, Pro 8500A Plus - A910g, Pro 8500A Premium - A910n To align the printheads

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1Printer Information: Shows printer information (such as the printer model number, serial number, and firmware version number), the number of pages printed from the trays and duplexer, the ink level information, and the printhead health status.

NOTE: Ink level warnings and indicators provide estimates for planning purposes only. When you receive a low-ink warning message, consider having a replacement cartridge available to avoid possible printing delays. You do not need to replace cartridges until prompted to do so.

2Test Pattern 1: If the lines are not straight and connected, align the printheads. For more information, see To align the printheads.

3Test Pattern 2: If there are thin white lines across any of the colored blocks, clean the printheads. For more information, see To clean the printheads.

NOTE: If there are thin white lines across all the color blocks and thin white lines across the gray blocks in Test Pattern 3, do NOT clean the printhead. Calibrate the linefeed instead. For more information, see To calibrate the linefeed.

4Test Pattern 3: If there are dark lines or white gaps where the arrows are pointing, calibrate the linefeed. For more information, see To calibrate the linefeed.

To align the printheads

Whenever you replace a printhead, the printer automatically aligns the printheads to ensure the best print quality. However, if the lines in Test Pattern 1 on the Print Quality

Solve print quality problems

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Contents Officejet PRO 8500A Page HP Officejet Pro 8500A A910 e-All-in-One series Accessibility Safety informationCopyright information Hewlett-Packard Company noticesContents HP Digital Solutions ScanCopy Fax Solve a problem WebWork with ink cartridges Contents Solve copy problems Technical information HP supplies and accessories Additional fax setup Network setupPrinter management tools Embedded Web server Get started AccessibilityVisual MobilityEco-Tips Understand the printer partsFront view Printing supplies area Use the printer control panel Back viewOverview of buttons and lights Label HP Officejet Pro 8500A A910a-fHP OfficeJet Pro 8500A A910g-z Icon Purpose Control-panel display iconsIcon Purpose Finding the printer model number Change printer settingsRecommended papers for printing and copying Select print mediaRecommended papers for photo printing HP Advanced Photo PaperHP Everyday Photo Paper Tips for selecting and using media Load an original on the scanner glassHP Photo Value Packs Load an original in the automatic document feeder ADF To load an original on the scanner glassTo load an original in the document feeder tray Load media Load standard-size mediaTo load media To load envelopes Load envelopesTo load cards and photo paper Load cards and photo paperLoad transparencies Load custom-size mediaTo load transparencies To insert a memory card Insert a memory deviceTo connect a storage device Install the accessoriesInstall Tray Install the duplexerTo install the duplexer To install TrayTurn on accessories in the printer driver Clean the scanner glassMaintain the printer Clean the automatic document feeder Clean the exteriorTurn the printer off To clean the rollers or separator padPrint documents PrintPrint documents Windows Print brochuresPrint documents Mac OS Print brochures WindowsPrint brochures Mac OS Print on envelopesPrint on envelopes Windows Quality Normal or BestPrint photos Print on envelopes Mac OSPrint photos on photo paper Windows Print photos from a memory device Print photos on photo paper Mac OSQuality Best or Maximum dpi To print selected photosPrint Dpof photos To print camera-selected photos using the Dpof standardPrint on special and custom-size paper Set up custom sizes Mac OSPrint borderless documents Print on special or custom-size paper Mac OSPrint borderless documents Windows Print borderless documents Mac OSBorderless Printing option, click Print Borderless HP ePrint Print on both sides duplexingPerform two-sided printing Windows Chapter Scan Scan an originalScan to a computer Scan using Webscan Scan to a memory cardTouch Start Scan Make sure the scanner glass or ADF window is clean To scan using WebscanScanning documents as editable text Make sure the document is loaded correctlyWhat are HP Digital Solutions? HP Digital SolutionsHP Direct Digital Filing HP Digital FaxRequirements Set up the HP Digital Solutions Set up HP Direct Digital FilingFor Scan to E-mail, Fax to E-mail Windows Set Up Scan to Network FolderMac OS Embedded Web server EWSConfigure other e-mail options Set Up Scan to E-mailSet up the outgoing e-mail profiles Set the Outgoing E-mail ProfilesOn the Scan tab, click E-mail Address Book Set Up HP Digital Fax Use the HP Digital Solutions Use HP Scan to Network FolderUse Scan to E-mail Use HP Digital Fax Copy Change copy settingsCopy documents To copy documentsTo change copy settings for a single job Fax Send a faxSend a standard fax To send a standard fax from the printer control panel Send a standard fax from the computerTo send a fax manually from an extension phone Send a fax manually from a phoneSend a fax from memory Send a fax using monitor dialingTo send a fax from memory Schedule a fax to send laterTouch Start Fax To schedule a fax from the printer control panelSend a fax to multiple recipients Send a fax in Error Correction ModeReceive a fax Receive a fax manuallyTo receive a fax manually To set backup fax from the printer control panel Set up backup faxOn Error Only OffPoll to receive a fax Reprint received faxes from memoryForward faxes to another number To reprint faxes in memory from the printer control panelSet the paper size for received faxes Set automatic reduction for incoming faxesTo forward faxes from the printer control panel Block unwanted fax numbers Receive faxes to your computer Fax to PC and Fax to Mac To set up Fax to Mac Mac OS To set up Fax to PC WindowsModify Fax to PC or Fax to Mac settings To modify settings from the printer’s control panelSet up and change speed-dial entries Set up speed-dial entriesTo set up group speed-dial entries Set up and change group speed-dial entriesTo change speed-dial entries To change group speed-dial entriesConfigure the fax header Change fax settingsDelete speed-dial entries Print a list of speed-dial entriesSet the answer mode Auto answer Set the number of rings before answeringChange the answer ring pattern for distinctive ring Set the dial type To change the answer ring pattern for distinctive ringTo set the dial type Set the fax speed Set the redial optionsTouch to select Tone Dialing or Pulse Dialing To set the redial optionsSet the fax sound volume Fax and digital phone servicesTo set the fax sound volume Touch Fax Sound VolumePrint fax confirmation reports Use reportsPrint fax error reports Clear the fax log Print and view the fax logPrint the details of the last fax transaction Print a Caller ID ReportTo view the Call History HP Apps WebMarketsplash by HP Information on ink cartridges and the printheads Work with ink cartridgesCheck the estimated ink levels Replace the ink cartridgesRelated topics To replace the ink cartridges Store printing supplies Store ink cartridgesStore printheads Solve a problem If you have a problem, follow these stepsHP support Obtain electronic support HP support by phoneBefore you call Telephone support numbers Phone support period$OJ«ULH General troubleshooting tips and resources Solve printing problemsAfter the phone support period Printer shuts down unexpectedly Alignment failsPrinter is not responding nothing prints Printer takes a long time to print Blank or partial page printedSomething on the page is missing or incorrect Placement of the text or graphics is wrong Solve print quality problemsMeaningless characters print General print quality troubleshootingCheck the printheads and ink cartridges Check the paper qualityInk is smearing Check the print settingsInk is not filling the text or graphics completely Check the document fileColors are printing as black and white Output is faded or dull coloredWrong colors are printing Printout shows bleeding colorsCheck the graphics placement Use a higher print quality settingColors do not line up correctly Check the paper typeText or graphics are streaked Printhead maintenanceTo check printhead health To print the print quality diagnosticTo align the printheads To clean the printheads PrintheadsTo calibrate the linefeed To clean the printhead contacts manually Chapter To replace the printheads Chapter Solve print quality problems 107 Media is not supported for the printer or tray Solve paper-feed problemsMedia is not picked up from a tray Media is not coming out correctlyNo copy came out Solve copy problemsCopies are blank Documents are missing or fadedSize is reduced Copy defects are apparent Copy quality is poorPrinter prints half a page, then ejects the paper Solve scan problemsPaper mismatch Scanner did nothingPart of the document did not scan or text is missing Scan takes too longText cannot be edited Check the originalsScanned image quality is poor Error messages appearReload document and then restart job Original is a second-generation photo or pictureScan defects are apparent Image quality is better when printedGraphics look different from the original Take steps to improve the scan qualitySolve fax problems Fax test failedSize is reduced Fax Hardware Test failed Solution Back view of the printer Phone Cord Connected to Correct Port on Fax test failedSolve fax problems 119 Dial Tone Detection test failed Solution Display always shows Phone Off Hook Fax Line Condition test failed SolutionPrinter is having problems sending and receiving faxes Solve fax problems 123 Printer is having problems sending a manual fax Solution Printer cannot receive faxes, but can send faxes Solution Fax again Printer cannot send faxes, but can receive faxes Solution Phone cord that came with my printer is not long enough Fax tones are recorded on my answering machine SolutionTo extend your phone cord Color faxes do not printSolve problems using HP Web sites and services Solve problems using HP Web servicesComputer cannot receive faxes Fax to PC and Fax to Mac Solve problems using HP Web sites Solve HP Digital Solutions problemsSolving HP Direct Digital Filing problems Printer is not set up correctly on the networkNetwork folder has not been set up correctly Server name cannot be found or resolvedDisk is full Solving HP Digital Fax problems Filename prefix has not been set up correctlySending large e-mail messages Error conditions are interfering with HP Digital Fax Internal memory is fullIncorrect date and time on faxes Solve memory device problems Printer cannot read the memory deviceCheck the memory device General network troubleshooting Solve wired Ethernet network problemsPrinter cannot read photos on the memory device Check the memory device slotBasic wireless troubleshooting Solve wireless problemsMake sure the wireless 802.11 light is turned on Restart components of the wireless networkRun the Wireless Network Test Advanced wireless troubleshootingMake sure that the printer is connected to your network To check a wireless connectionTo access the EWS Check to see if you can access the EWSMake sure the printer is on the network Network StatusMake sure the printer is online and ready Add hardware addresses to a wireless access point WAP Configure your firewall to work with printers Advanced firewall information Solve printer management problemsIncoming UDP ports 137, 138, 161 Ports are used for the following functions PrintingEmbedded Web server cannot be opened Check your network setupCheck the computer Check your Web browserHardware installation suggestions Troubleshoot installation issuesHP software installation suggestions Check the hardware connectionsVerify installation preliminaries Solve network problemsGeneral network troubleshooting Problems connecting to a wired networkTo reset the printers network settings Understand the Self Test DiagnosticTo print the Self Test Diagnostic Understand the network configurationUnderstand the network configuration 149 Clear jams To clear a jam Clear paper jamsChapter To clear a paper jam in the automatic document feeder Avoid paper jamsTechnical information Warranty informationHP product Duration of limited warranty Hewlett-Packard limited warranty statementInk cartridge warranty information Physical specifications Printer specificationsProduct features and capacities Feature CapacitySystem requirements Processor and memory specificationsPrinter processor Operating system compatibilityNetwork protocol specifications Embedded Web server specificationsMedia specifications Understand supported sizes Media size Tray Duplexer Understand specifications for supported mediaStandard media sizes EnvelopesCards Media size Tray DuplexerPhoto media Other mediaDuplexer Paper 60 to 105 g/m2 Set minimum margins Tray Type Weight CapacityGuidelines for printing on both sides of a Media Left Right Top Bottom MarginPrint specifications Copy specificationsFax specifications HP Web site specifications Scan specificationsEnvironmental specifications Electrical specificationsMemory device specifications Acoustic emission specificationsMemory card specifications USB flash drivesRegulatory information Vcci Class B compliance statement for users in Japan FCC statementLED indicator statement Gloss of housing of peripheral devices for GermanyNoise emission statement for Germany Appendix a Regulatory information 171 Regulatory information for wireless products Australia wired fax statementExposure to radio frequency radiation Appendix a Technical information Regulatory model number European Union regulatory noticeDeclaration of conformity Declaration of ConformityEnvironmental product stewardship program Απόρριψη άχρηστων συσκευών στην Ευρωπαϊκή Ένωση Power consumption Third-party licenses Page Page Third-party licenses 183 Technical information Third-party licenses 185 Appendix a Page Order printing supplies online HP supplies and accessoriesSupplies Ink cartridges and printheadsHP media Set up faxing parallel phone systems Additional fax setupUSA Select the correct fax setup for your home or officeOther equipment or services sharing your fax line Case a Separate fax line no voice calls received To set up the printer with a separate fax line Case B Set up the printer with DSLTo set up the printer with DSL To set up the printer with a distinctive ring service Case D Fax with a distinctive ring service on the same lineCase E Shared voice/fax line To set up the printer with a shared voice/fax lineCase F Shared voice/fax line with voice mail To set up the printer with voice mail Set up the printer with a computer dial-up modemTo set up the printer with a computer dial-up modem Set up the printer with a computer DSL/ADSL modem Case H Shared voice/fax line with computer modem To set up the printer with a computer DSL/ADSL modemShared voice/fax with computer dial-up modem Example of a parallel splitterBack view of the printer Shared voice/fax with computer DSL/ADSL modem To set up the printer with a computer DSL/ADSL modem Case I Shared voice/fax line with answering machine Set up faxing parallel phone systems 207 Back view of the printer Page To set up the printer with a computer DSL/ADSL modem Set up faxing parallel phone systems 211 Back view of the printer Test fax setup Serial-type fax setupTo test fax setup via the printer control panel Change basic network settings Network setupChange advanced network settings View and print network settingsChange IP settings View IP settingsConfigure the printer’s firewall settings Set link speedCreating and using firewall rules Limit Set up the printer for wireless communication Reset network settingsTouch Restore Network Defaults, and then select Yes Communication mode Understand 802.11 wireless network settingsSecurity settings Network name SsidTest the wireless connection Guidelines for ensuring wireless network securityChange the connection method Guidelines for reducing interference on a wireless network Uninstall and reinstall the HP softwareTo add hardware addresses to a WAP Other guidelinesTo uninstall from a Macintosh computer, method To uninstall from a Windows computer, methodPage HP printer software Windows Printer management toolsHP Utility Mac OS Embedded Web serverTo open the embedded Web server About cookiesHow do I? Printhead problem Errors WindowsFax memory full Printer disconnectedSolution 1 Turn the printer off and on Cartridge ProblemSolution 2 Install the printheads correctly Solution 3 Clean the electrical contactsSolution 3 Replace the ink cartridge Solution 2 Install the ink cartridges correctlyPaper Mismatch Cartridge cradle cannot movePrinter Offline Printer is out of paperPrinter Paused Document failed to printPreviously used ink cartridge installed Index Symbols/NumericsPage Page OCR Page Page Twain 240

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