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HP Officejet Pro K8600 Colors are printing as black and white, Wrong colors are printing, Printout shows bleeding colors, Print in Grayscale, Print in Grayscale, Check the printheads

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Chapter 5

Check the paper type setting

When printing on transparencies or other special media, select the corresponding media type in the print driver. For more information, see To print on special or custom- sized media (Windows).

Check the printheads

Print the print quality diagnostic page on a clean sheet of white paper. Evaluate any problem areas, and perform the recommended actions. For more information, see To print the print quality diagnostic page.

Colors are printing as black and white

Check the print settings

Make sure Print in Grayscale is not selected in the printer driver. For information on changing this setting, see Change print settings.

Wrong colors are printing

Check the print settings

Make sure Print in Grayscale is not selected in the printer driver. For information on changing this setting, see Change print settings.

Check the printheads

Print the print quality diagnostic page on a clean sheet of white paper. Evaluate any problem areas, and perform the recommended actions. For more information, see To print the print quality diagnostic page.

Printout shows bleeding colors

Check the ink cartridges

Make sure ink cartridges have not been tampered with. Refilling processes and the use of incompatible inks can disrupt the intricate printing system and result in reduced print quality and damage to the device or printhead. HP does not guarantee or support refilled ink cartridges. For ordering information, see HP supplies and accessories.

Check the media type

Some media types are not suitable for use with the device. For more information, see Select print media.

Check the printheads

Print the print quality diagnostic page on a clean sheet of white paper. Evaluate any problem areas, and perform the recommended actions. For more information, see To print the print quality diagnostic page.

62 Maintain and troubleshoot

Contents

Page Page Copyright information Trademarks Safety information Page Contents 5 Maintain and troubleshoot 6 Control-panellights reference A HP supplies and accessories B Support and warranty Device specifications Regulatory information Index 1 Get started Find other resources for the product Accessibility Understand the device parts Front view Control panel Back view Page 2 Install the accessories Install the duplexer 3 Use the device Select print media Tips for selecting and using print media Understand specifications for supported media Media size Tray Rear Automatic manual Envelopes Cards Photo media Other media Understand supported media types and weights Type Weight Capacity Set minimum margins Load media To load small media To load the rear manual feed slot Change print settings To change settings from an application for current jobs (Windows) To change default settings for all future jobs (Windows) To change settings (Mac OS) Use the HP Solution Center (Windows) Print with the rear manual feed slot Print on both sides (duplexing) Guidelines for printing on both sides of a page To perform duplexing (Windows) To perform automatic duplexing (Mac OS) Print on special and custom-sizedmedia To print on special or custom-sizedmedia (Windows) To print on special or custom-sizedmedia (Mac OS) Print borderless To print a borderless document (Windows) To print a borderless document (Mac OS) Cancel a print job 4 Configure and manage Manage the device Monitor the device Administer the device Use device management tools Embedded Web server Toolbox (Windows) To open the Toolbox Print Settings Printer Toolbox Display Printer Toolbox Toolbox tabs HP Printer Utility (Mac OS) Network Printer Setup Utility (Mac OS) HP Web Jetadmin software HP Instant Support myPrintMileage Understand the self-testdiagnostic page Understand the network configuration page Configure the device (Windows) Direct connection Network connection Page Configure the device (Mac OS) To install the software for network or direct connection To share the device on a locally shared network Uninstall and reinstall the software Page 5 Maintain and troubleshoot Supported ink cartridges Replace the ink cartridges Maintain the printheads To check printhead health To print the print quality diagnostic page To calibrate the linefeed To clean the printheads To align the printheads To clean the printhead contacts manually Page Page To replace the printheads Page Store printing supplies Store ink cartridges Store printheads Troubleshooting tips and resources Solve printing problems The device shuts down unexpectedly All device lights are on or flashing The device is not responding (nothing prints) Device does not accept printhead Device takes a long time to print Blank or partial page printed Something on the page is missing or incorrect Placement of the text or graphics is wrong Device prints half a page, then ejects the paper Poor print quality and unexpected printouts Poor quality printouts Meaningless characters print Ink is smearing Ink is not filling the text or graphics completely Output is faded or dull colored Colors are printing as black and white Wrong colors are printing Printout shows bleeding colors Colors do not line up properly Lines or dots are missing from text or graphics Solve paper-feedproblems A paper-feedproblem is occurring Media is not coming out correctly Pages are skewing Multiple pages are being picked up Solve device management problems Embedded Web server cannot be opened Troubleshoot installation issues Hardware installation suggestions Software installation suggestions Solve network problems Clear jams Clear a jam in the device Tips for avoiding jams Page 6 Control-panellights reference Interpreting control-panellights Light description/Light pattern Explanation and recommended action Power Resume CAUTION: Device Page Page Interpreting network connector lights A HP supplies and accessories Mac OS Printheads HP media Buy Shopping B Support and warranty Hewlett-Packardlimited warranty statement Obtain electronic support Contact HP Obtain HP telephone support Before you call About Support process If you have a problem, follow these steps HP support by phone Phone support period Telephone support numbers Page Placing a call After the phone support period Additional warranty options HP Quick Exchange Service (Japan) Prepare the device for shipment Remove the ink cartridges and printheads before shipment To remove ink cartridges before shipment To remove printheads before shipment Pack the device To pack the device Page C Device specifications Processor and memory specifications Device processor Device memory System requirements Operating system compatibility Network protocol specifications Embedded Web server specifications Requirements Print resolution Black Color Sound pressure (bystander position) Sound power D Regulatory information Notice to users in Korea VCCI (Class B) compliance statement for users in Japan Notice to users in Japan about the power cord RoHS notices (China only) Toxic and hazardous substance table LED indicator statement Regulatory model number Declaration of conformity Environmental product stewardship program Paper use Plastics Material safety data sheets Recycling program Page Energy consumption Index