Getting Started Guide
Page 15
...the Printhead light, and one or more of the color indicator lights are on . z If the error persists, clean the printhead contacts. The Power light is on . z Replace the ink cartridge indicated. z Reinstall the appropriate printheads, close...HP supplies and accessories" chapter in the back of the printheads needs attention. z If the error persists, replace the printhead or printheads indicated. The Power light is missing. z Reinstall the printheads, close all covers, and then try to print. z Make sure the rear-access panel or duplex unit (HP Officejet Pro K850dn Color Printer...
...the Printhead light, and one or more of the color indicator lights are on . z If the error persists, clean the printhead contacts. The Power light is on . z Replace the ink cartridge indicated. z Reinstall the appropriate printheads, close...HP supplies and accessories" chapter in the back of the printheads needs attention. z If the error persists, replace the printhead or printheads indicated. The Power light is missing. z Reinstall the printheads, close all covers, and then try to print. z Make sure the rear-access panel or duplex unit (HP Officejet Pro K850dn Color Printer...
Getting Started Guide
Page 17
... IP address, and then enter the IP address manually in their correct color-coded slots. or click Start, and then click Printers and Faxes (depending on the operating system). 3 Right-click the printer icon, click Properties, and then click the Ports tab. 4 Select ...clean printer driver uninstallation. For more information, see the Readme file and release notes or visit the product support website at www.hp.com/support/officejetprok850. 17 Check the printer to ensure the following , run the uninstall utility to the CD drive that the printer is installed on the Starter CD. z Printheads...
... IP address, and then enter the IP address manually in their correct color-coded slots. or click Start, and then click Printers and Faxes (depending on the operating system). 3 Right-click the printer icon, click Properties, and then click the Ports tab. 4 Select ...clean printer driver uninstallation. For more information, see the Readme file and release notes or visit the product support website at www.hp.com/support/officejetprok850. 17 Check the printer to ensure the following , run the uninstall utility to the CD drive that the printer is installed on the Starter CD. z Printheads...
User's Guide
Page 6
... the printer software (Mac OS 55 5 Maintaining and troubleshooting Replacing the ink cartridges...58 Maintaining the printheads...60 To check printhead health...60 To align the printheads...60 To clean printheads automatically 61 To clean the printhead contacts manually 62 Replacing the printheads...66 Diagnosing the print quality...71 Testing the paper feed...72 Testing media skew...7. 3 Calibrating the color...
... the printer software (Mac OS 55 5 Maintaining and troubleshooting Replacing the ink cartridges...58 Maintaining the printheads...60 To check printhead health...60 To align the printheads...60 To clean printheads automatically 61 To clean the printhead contacts manually 62 Replacing the printheads...66 Diagnosing the print quality...71 Testing the paper feed...72 Testing media skew...7. 3 Calibrating the color...
User's Guide
Page 10
... of the features Available from the website. Readme file and release notes Provide late-breaking information and troubleshooting tips. See HP Printer Utility (Mac OS). HP Instant Support Configuration page Helps you to configure print settings, calibrate the printer, clean the printheads, print configuration and test pages, order supplies online, and find support information from the...
... of the features Available from the website. Readme file and release notes Provide late-breaking information and troubleshooting tips. See HP Printer Utility (Mac OS). HP Instant Support Configuration page Helps you to configure print settings, calibrate the printer, clean the printheads, print configuration and test pages, order supplies online, and find support information from the...
User's Guide
Page 44
... tab, and then click Security in the left pane. Perform printer maintenance tasks ● Align printheads: Click the Printer Services tab, click Align Printheads, and then follow the onscreen instructions. ● Clean printheads: Click the Printer Services tab, click Clean Printheads, and then follow the onscreen instructions. Tool HP Web Jetadmin software myPrintMileage Information Supplies operation status and media and...
... tab, and then click Security in the left pane. Perform printer maintenance tasks ● Align printheads: Click the Printer Services tab, click Align Printheads, and then follow the onscreen instructions. ● Clean printheads: Click the Printer Services tab, click Clean Printheads, and then follow the onscreen instructions. Tool HP Web Jetadmin software myPrintMileage Information Supplies operation status and media and...
User's Guide
Page 45
... alerts and notifications. For a list of printer management tools. See Understanding and printing the configuration page. HP Web Jetadmin software Supplies information about configuring the printer's network settings. Perform printer maintenance tasks ● Align printheads: Hold down (Power button), and then press (Resume button) two times. ● Clean printheads: See To clean printheads automatically. For more information, see Overview...
... alerts and notifications. For a list of printer management tools. See Understanding and printing the configuration page. HP Web Jetadmin software Supplies information about configuring the printer's network settings. Perform printer maintenance tasks ● Align printheads: Hold down (Power button), and then press (Resume button) two times. ● Clean printheads: See To clean printheads automatically. For more information, see Overview...
User's Guide
Page 47
... Configuration Page: Click this button to align the printheads. Click hp, click Utilities, and then click HP Printer Selector. 4. Select the printer, and then click Launch Utility. For more information, see To clean printheads automatically. ● Calibrate Color: Click this button to open a dialog box, where you can have the printer print 20 blank pages to ensure that provides...
... Configuration Page: Click this button to align the printheads. Click hp, click Utilities, and then click HP Printer Selector. 4. Select the printer, and then click Launch Utility. For more information, see To clean printheads automatically. ● Calibrate Color: Click this button to open a dialog box, where you can have the printer print 20 blank pages to ensure that provides...
User's Guide
Page 48
... Skew: Checks for paper skew. ● Clean: Cleans the printheads. ● Align: Aligns the printheads for best possible print quality. ● Calibrate Color: Adjusts color to correct problems with tint. ● HP Support: Provides access to the HP website where you can return to it so that has been assigned to the printer. Printer Settings ● Network Settings: Configure IP...
... Skew: Checks for paper skew. ● Clean: Cleans the printheads. ● Align: Aligns the printheads for best possible print quality. ● Calibrate Color: Adjusts color to correct problems with tint. ● HP Support: Provides access to the HP website where you can return to it so that has been assigned to the printer. Printer Settings ● Network Settings: Configure IP...
User's Guide
Page 68
... manually. See To align the printheads. ● Initiate the automatic printhead cleaning process. See To clean printheads automatically. ● Manually clean the printhead contacts. CAUTION HP is bad, clean or replace the printhead. Configuration page From the control panel, print a printer configuration page by clogged ink nozzles and you replace a printhead, the printer automatically aligns the printheads to check the printhead health. When the quality...
... manually. See To align the printheads. ● Initiate the automatic printhead cleaning process. See To clean printheads automatically. ● Manually clean the printhead contacts. CAUTION HP is bad, clean or replace the printhead. Configuration page From the control panel, print a printer configuration page by clogged ink nozzles and you replace a printhead, the printer automatically aligns the printheads to check the printhead health. When the quality...
User's Guide
Page 69
... the Printer Services tab, and then click Clean Printheads HP Printer Utility (Mac OS) ▲ Open Information And Support, click Clean, and then follow the onscreen instructions. Embedded Web server 1. cleaning uses ink and shortens the life of cleaning available. Open the embedded Web server. 2. Control panel 1. down (Power button). 2. To clean printheads automatically NOTE Clean the printheads only when necessary; Printer driver...
... the Printer Services tab, and then click Clean Printheads HP Printer Utility (Mac OS) ▲ Open Information And Support, click Clean, and then follow the onscreen instructions. Embedded Web server 1. cleaning uses ink and shortens the life of cleaning available. Open the embedded Web server. 2. Control panel 1. down (Power button). 2. To clean printheads automatically NOTE Clean the printheads only when necessary; Printer driver...
User's Guide
Page 70
... (Resume button) five times. The printer begins the cleaning process. Printhead contacts contain sensitive electronic components that can be damaged easily. 1. Lift to clean the printheads automatically. NOTE Perform the next level of reach. 4. For level 2 cleaning: Press (Resume button) six times. To clean the printhead contacts manually CAUTION Manually clean the printhead contacts only after you have attempted to...
... (Resume button) five times. The printer begins the cleaning process. Printhead contacts contain sensitive electronic components that can be damaged easily. 1. Lift to clean the printheads automatically. NOTE Perform the next level of reach. 4. For level 2 cleaning: Press (Resume button) six times. To clean the printhead contacts manually CAUTION Manually clean the printhead contacts only after you have attempted to...
User's Guide
Page 72
... . After cleaning, place the printhead on a sheet of the printhead) can cause severe damage to the printhead. 7. Before re-inserting the printheads, make sure all the way forward, and then press down firmly on the printhead using drinking ...printer with distilled, filtered, or bottled water, and continue wiping until the contacts are installing a new printhead, remove the new printhead from the contact pads on the printhead to engage the latch. 64 Chapter 5 Maintaining and troubleshooting ENWW contact. Carefully remove any ink from its package, and then remove its color...
... . After cleaning, place the printhead on a sheet of the printhead) can cause severe damage to the printhead. 7. Before re-inserting the printheads, make sure all the way forward, and then press down firmly on the printhead using drinking ...printer with distilled, filtered, or bottled water, and continue wiping until the contacts are installing a new printhead, remove the new printhead from the contact pads on the printhead to engage the latch. 64 Chapter 5 Maintaining and troubleshooting ENWW contact. Carefully remove any ink from its package, and then remove its color...
User's Guide
Page 74
NOTE Only replace printheads after you have attempted to open the printhead latch. 66 Chapter 5 Maintaining and troubleshooting ENWW See To clean printheads automatically and To clean the printhead contacts manually. 1. Lift to clean the printheads. Open the top cover. 2. Replacing the printheads NOTE To find out which printheads are compatible with your printer, see HP supplies and accessories.
NOTE Only replace printheads after you have attempted to open the printhead latch. 66 Chapter 5 Maintaining and troubleshooting ENWW See To clean printheads automatically and To clean the printhead contacts manually. 1. Lift to clean the printheads. Open the top cover. 2. Replacing the printheads NOTE To find out which printheads are compatible with your printer, see HP supplies and accessories.
User's Guide
Page 85
... ENWW Troubleshooting 77 See the documentation that protects a computer from the printhead. Clean the printhead Complete the printhead cleaning procedure. Printer does not accept printhead Inspect the printhead Remove the printhead and make sure the protective tape has been removed completely from intrusion. After the printer has restarted, reinsert the printhead. Printer takes a long time to change the port setting, or contact...
... ENWW Troubleshooting 77 See the documentation that protects a computer from the printhead. Clean the printhead Complete the printhead cleaning procedure. Printer does not accept printhead Inspect the printhead Remove the printhead and make sure the protective tape has been removed completely from intrusion. After the printer has restarted, reinsert the printhead. Printer takes a long time to change the port setting, or contact...
User's Guide
Page 90
... run out of ink. See Maintaining the printheads. Replace these cartridges with the printer. Replace any empty cartridge. Wrong colors are defective. Ink is not selected in the printer driver. Check the ink cartridges If lines in the printer driver. Or try removing and reinstalling the ...cartridges, make sure you might need to print at a faster rate. Output is faded or dull colored Check the print mode The Fast Normal printer mode allows you to clean the printheads...
... run out of ink. See Maintaining the printheads. Replace these cartridges with the printer. Replace any empty cartridge. Wrong colors are defective. Ink is not selected in the printer driver. Check the ink cartridges If lines in the printer driver. Or try removing and reinstalling the ...cartridges, make sure you might need to print at a faster rate. Output is faded or dull colored Check the print mode The Fast Normal printer mode allows you to clean the printheads...
User's Guide
Page 91
...might notice improvement in the opposite direction of the curl. Colors do not line up from the tray ● Make sure...See Maintaining the printheads. Check graphics placement Use the zoom or print preview feature of graphics on resolving jams, see HP supplies and ...cleaning. Also, check the ink saturation. For ordering information, see Clearing jams. Media is not curled. Resolving paper-feed problems For information on the page. Media is extended, otherwise, printed pages might fall off the printer. ● Remove excess media from text or graphics The printheads or printhead...
...might notice improvement in the opposite direction of the curl. Colors do not line up from the tray ● Make sure...See Maintaining the printheads. Check graphics placement Use the zoom or print preview feature of graphics on resolving jams, see HP supplies and ...cleaning. Also, check the ink saturation. For ordering information, see Clearing jams. Media is not curled. Resolving paper-feed problems For information on the page. Media is extended, otherwise, printed pages might fall off the printer. ● Remove excess media from text or graphics The printheads or printhead...
User's Guide
Page 93
You can download the printer driver from www.hp.com/support/officejetprok850. See Uninstalling the printer software. Problems connecting to a network NOTE After correcting any buttons until the alignment pages have printed. See Operating system...system requirements. Troubleshooting installation issues Problems printing alignment page When new printheads are using Windows and the computer cannot detect the printer, insert the Starter CD, click Utilities, and then click Uninstaller to perform a clean printer driver uninstallation. The alignment pages may be discarded after they are...
You can download the printer driver from www.hp.com/support/officejetprok850. See Uninstalling the printer software. Problems connecting to a network NOTE After correcting any buttons until the alignment pages have printed. See Operating system...system requirements. Troubleshooting installation issues Problems printing alignment page When new printheads are using Windows and the computer cannot detect the printer, insert the Starter CD, click Utilities, and then click Uninstaller to perform a clean printer driver uninstallation. The alignment pages may be discarded after they are...
User's Guide
Page 115
Printer light indication The Power light is on . Locate and clear the jam (see Maintaining the printheads). ● If the error persists, replace the printhead or printheads indicated. The printhead latch is not secured. ▲ Open the top cover and press down firmly on again. ● If the error persists, clean the printhead...printer. See HP supplies and accessories for information about ordering supplies. The printer is inserted completely in the printer... the printer off, and then on the printhead latch... printheads needs attention. ● Reinstall the appropriate printheads,...
Printer light indication The Power light is on . Locate and clear the jam (see Maintaining the printheads). ● If the error persists, replace the printhead or printheads indicated. The printhead latch is not secured. ▲ Open the top cover and press down firmly on again. ● If the error persists, clean the printhead...printer. See HP supplies and accessories for information about ordering supplies. The printer is inserted completely in the printer... the printer off, and then on the printhead latch... printheads needs attention. ● Reinstall the appropriate printheads,...
User's Guide
Page 141
...used 130 chlorofluorocarbons, not used 130 cleaning print zone 81 cleaning printheads automatically 61 manually 62 tools for 36 color calibrating 74 calibration methods 113 resolution specifications 119 troubleshooting 82 Color indicator lights 6, 105 ColorSync color calibration 113 configuration page information on 45...121 Activity light 105, 109 Add Printer installation, Windows 52 administrator tools administration tasks 36 available functions 34 monitoring tasks 35 alerts administrator tools available 34 setting up 37 aligning printheads calibrating color 74 instructions for 60 tools for 45...
...used 130 chlorofluorocarbons, not used 130 cleaning print zone 81 cleaning printheads automatically 61 manually 62 tools for 36 color calibrating 74 calibration methods 113 resolution specifications 119 troubleshooting 82 Color indicator lights 6, 105 ColorSync color calibration 113 configuration page information on 45...121 Activity light 105, 109 Add Printer installation, Windows 52 administrator tools administration tasks 36 available functions 34 monitoring tasks 35 alerts administrator tools available 34 setting up 37 aligning printheads calibrating color 74 instructions for 60 tools for 45...
User's Guide
Page 146
...printheads, checking status 60 printheads, cleaning automatically 61 printheads, cleaning manually 62 printheads, replacing 66 recycling 131 status, viewing in embedded Web server 41 status, viewing in Toolbox 38 status, viewing on configuration page 45 warranty 101, 102 supply yields for ink cartridges and printheads 113 support HP... 83 troubleshooting blank pages 77 blinking lights 76 color problems 82 Configure Output Ramp 39 Diagnose Print Quality page 39... 83 ports 78 power 76 print quality 79 printhead alignment 85 printheads 77 resetting printer 75 skew 84 slow printing 77 Test Paper ...
...printheads, checking status 60 printheads, cleaning automatically 61 printheads, cleaning manually 62 printheads, replacing 66 recycling 131 status, viewing in embedded Web server 41 status, viewing in Toolbox 38 status, viewing on configuration page 45 warranty 101, 102 supply yields for ink cartridges and printheads 113 support HP... 83 troubleshooting blank pages 77 blinking lights 76 color problems 82 Configure Output Ramp 39 Diagnose Print Quality page 39... 83 ports 78 power 76 print quality 79 printhead alignment 85 printheads 77 resetting printer 75 skew 84 slow printing 77 Test Paper ...