Getting Started Guide
Page 15
... z Make sure the rear-access panel or duplex unit (HP Officejet Pro K850dn Color Printer) is out of the color indicator lights are on the printhead has been removed. z If the error persists, replace the printhead or printheads indicated. The Power light is low on and one or ... "Maintaining and troubleshooting" chapter in the back of the color indicator lights is on the printhead latch to print. z If the error persists, clean the printhead contacts. For information about ordering supplies, see the "HP supplies and accessories" chapter in the onscreen user guide. ...
... z Make sure the rear-access panel or duplex unit (HP Officejet Pro K850dn Color Printer) is out of the color indicator lights are on the printhead has been removed. z If the error persists, replace the printhead or printheads indicated. The Power light is low on and one or ... "Maintaining and troubleshooting" chapter in the back of the color indicator lights is on the printhead latch to print. z If the error persists, clean the printhead contacts. For information about ordering supplies, see the "HP supplies and accessories" chapter in the onscreen user guide. ...
Getting Started Guide
Page 17
...printhead. Problems installing software Verify installation preliminaries z The computer meets the system requirements (see the onscreen user guide on the configuration page. z Before installing software on the Starter CD). Reinstall the printer software z If you have removed the tape from each one to perform a clean printer... programs are different, change the IP address in their correct color-coded slots. For instructions, see the Readme file and release notes or visit the product support website at www.hp.com/support/officejetprok850. 17 If the IP addresses are closed....
...printhead. Problems installing software Verify installation preliminaries z The computer meets the system requirements (see the onscreen user guide on the configuration page. z Before installing software on the Starter CD). Reinstall the printer software z If you have removed the tape from each one to perform a clean printer... programs are different, change the IP address in their correct color-coded slots. For instructions, see the Readme file and release notes or visit the product support website at www.hp.com/support/officejetprok850. 17 If the IP addresses are closed....
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
... Configuration page Helps you to a network, an additional network configuration page is available at www.hp.com/ support/officejetprok850. Toolbox (Microsoft® Windows®) Provides information about printhead health and access to configure print settings, calibrate the printer, clean the printheads, print configuration and test pages, order supplies online, and find support information from the...
... Configuration page Helps you to a network, an additional network configuration page is available at www.hp.com/ support/officejetprok850. Toolbox (Microsoft® Windows®) Provides information about printhead health and access 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. Tool Printer driver Toolbox (Windows) HP Printer Utility (Mac OS) Embedded Web server (EWS) Task Perform printer maintenance tasks ● Align printheads: Click the Services tab, click Service this device, and then follow the onscreen instructions. ● Clean printheads: Click the Services tab, click Service this device, and...
... tab, and then click Security in the left pane. Tool Printer driver Toolbox (Windows) HP Printer Utility (Mac OS) Embedded Web server (EWS) Task Perform printer maintenance tasks ● Align printheads: Click the Services tab, click Service this device, and then follow the onscreen instructions. ● Clean printheads: Click the Services tab, click Service this device, and...
User's Guide
Page 45
... Clean printheads: See To clean printheads automatically. See Understanding and printing the configuration page. For information about configuring the printer's network settings. By factory default, all supported network protocols are turned on. NOTE It is not recommended that the printer generates... specific management tools, see Printer lights reference. HP Web Jetadmin software Supplies information about configuring network parameters. Tool Control panel HP Web Jetadmin softwarealerts myPrintMileage Task section click the appropriate cleaning level in the Manual IP...
... Clean printheads: See To clean printheads automatically. See Understanding and printing the configuration page. For information about configuring the printer's network settings. By factory default, all supported network protocols are turned on. NOTE It is not recommended that the printer generates... specific management tools, see Printer lights reference. HP Web Jetadmin software Supplies information about configuring network parameters. Tool Control panel HP Web Jetadmin softwarealerts myPrintMileage Task section click the appropriate cleaning level in the Manual IP...
User's Guide
Page 47
..., see To align the printheads. ● Clean Printheads: Click this button to complete printer maintenance tasks such as printer calibration. For more information, see Calibrating the color. ● Configure Output Ramp: Click this button to automatically clean the printheads. To open a dialog box, where you can turn on printouts. Click Library, and then click Printers. 3. HP Printer Utility panels The utility...
..., see To align the printheads. ● Clean Printheads: Click this button to complete printer maintenance tasks such as printer calibration. For more information, see Calibrating the color. ● Configure Output Ramp: Click this button to automatically clean the printheads. To open a dialog box, where you can turn on printouts. Click Library, and then click Printers. 3. HP Printer Utility panels The utility...
User's Guide
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...; Test Paper 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 register the printer, find support for the printer is listed on the configuration page; However, some...
...; Test Paper 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 register the printer, find support for the printer is listed on the configuration page; However, some...
User's Guide
Page 68
... to ensure the best print quality. See To clean printheads automatically. ● Manually clean the printhead contacts. Check the message in the left pane. See To align the printheads. ● Initiate the automatic printhead cleaning process. To check printhead health Use the following : ● Check the health of your printer, see HP supplies and accessories. However, if the appearance of...
... to ensure the best print quality. See To clean printheads automatically. ● Manually clean the printhead contacts. Check the message in the left pane. See To align the printheads. ● Initiate the automatic printhead cleaning process. To check printhead health Use the following : ● Check the health of your printer, see HP supplies and accessories. However, if the appearance of...
User's Guide
Page 69
... Web server. 2. To clean printheads automatically NOTE Clean the printheads only when necessary; Toolbox (Windows) ▲ Click the Printer Services tab, and then click Align Printheads. Embedded Web server 1. Click Maintenance in the Printhead section. cleaning uses ink and shortens the life of the printheads. Toolbox (Windows) ▲ Click the Printer Services tab, and then click Clean Printheads HP Printer Utility (Mac OS) ▲...
... Web server. 2. To clean printheads automatically NOTE Clean the printheads only when necessary; Toolbox (Windows) ▲ Click the Printer Services tab, and then click Align Printheads. Embedded Web server 1. Click Maintenance in the Printhead section. cleaning uses ink and shortens the life of the printheads. Toolbox (Windows) ▲ Click the Printer Services tab, and then click Clean Printheads HP Printer Utility (Mac OS) ▲...
User's Guide
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... printer off by pressing (Power button). For level 1 cleaning: Press (Resume button) five times. Printhead contacts contain sensitive electronic components that can be damaged easily. 1. The printer begins the cleaning process. Control panel 1. NOTE Perform the next level of cleaning only if results from the previous level are not satisfactory. Lift to clean the printheads automatically. See To clean printheads...
... printer off by pressing (Power button). For level 1 cleaning: Press (Resume button) five times. Printhead contacts contain sensitive electronic components that can be damaged easily. 1. The printer begins the cleaning process. Control panel 1. NOTE Perform the next level of cleaning only if results from the previous level are not satisfactory. Lift to clean the printheads automatically. See To clean printheads...
User's Guide
Page 72
... dry. 10 Plug in the printhead slot inside the 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 printer. Before re-inserting the printheads, make sure all the way forward...proper . 6. NOTE If you are clean. Clean the contact points in the power cord and turn on the printhead using drinking water or alcohol, which could damage the printheads. 8. Carefully remove any ink from its package, and then remove its color-coded slot. CAUTION Only wipe the contact...
... dry. 10 Plug in the printhead slot inside the 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 printer. Before re-inserting the printheads, make sure all the way forward...proper . 6. NOTE If you are clean. Clean the contact points in the power cord and turn on the printhead using drinking water or alcohol, which could damage the printheads. 8. Carefully remove any ink from its package, and then remove its color-coded slot. CAUTION Only wipe the contact...
User's Guide
Page 74
See To clean printheads automatically and To clean the printhead contacts manually. 1. NOTE Only replace printheads after you have attempted to open the printhead latch. 66 Chapter 5 Maintaining and troubleshooting ENWW Replacing the printheads NOTE To find out which printheads are compatible with your printer, see HP supplies and accessories. Lift to clean the printheads. Open the top cover. 2.
See To clean printheads automatically and To clean the printhead contacts manually. 1. NOTE Only replace printheads after you have attempted to open the printhead latch. 66 Chapter 5 Maintaining and troubleshooting ENWW Replacing the printheads NOTE To find out which printheads are compatible with your printer, see HP supplies and accessories. Lift to clean the printheads. Open the top cover. 2.
User's Guide
Page 85
Clean the printhead Complete the printhead cleaning procedure. See To clean printheads automatically. Turn off the printer after removing the printhead After removing the printhead, turn the printer off, and then turn on the computer The personal software firewall is selected as the print quality. See the documentation that protects a computer from the printhead. If there is not the source of the...
Clean the printhead Complete the printhead cleaning procedure. See To clean printheads automatically. Turn off the printer after removing the printhead After removing the printhead, turn the printer off, and then turn on the computer The personal software firewall is selected as the print quality. See the documentation that protects a computer from the printhead. If there is not the source of the...
User's Guide
Page 90
... on transparencies or other special media, select the corresponding media type in the printer driver. See Selecting print media. Replace these cartridges with the printer. When you to clean the printheads. Check the paper type setting When printing on special and custom-size media.... See Maintaining the printheads. Ink is not filling the text or graphics completely Check the ink cartridges Ink cartridges might have run out of ink. Colors...
... on transparencies or other special media, select the corresponding media type in the printer driver. See Selecting print media. Replace these cartridges with the printer. When you to clean the printheads. Check the paper type setting When printing on special and custom-size media.... See Maintaining the printheads. Ink is not filling the text or graphics completely Check the ink cartridges Ink cartridges might have run out of ink. Colors...
User's Guide
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...(Windows) or Ink Features (Mac OS) in the printer software. Colors do not line up from text or graphics The printheads or printhead contact pads might give printouts a "washed-out" quality.... See Understanding specifications for the printer or tray Use only media that decreasing ink saturation might need cleaning. Media is not picked up properly Check printheads The printheads are snug, but not tight...jams, see HP supplies and accessories. There is extended, otherwise, printed pages might notice improvement in the print quality by bending it in conjunction with . HP does not ...
...(Windows) or Ink Features (Mac OS) in the printer software. Colors do not line up from text or graphics The printheads or printhead contact pads might give printouts a "washed-out" quality.... See Understanding specifications for the printer or tray Use only media that decreasing ink saturation might need cleaning. Media is not picked up properly Check printheads The printheads are snug, but not tight...jams, see HP supplies and accessories. There is extended, otherwise, printed pages might notice improvement in the print quality by bending it in conjunction with . HP does not ...
User's Guide
Page 93
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. See Operating system and network protocol specifications. ...all other programs are closed or temporarily disabled. This process takes about eight minutes. You can download the printer driver from www.hp.com/support/officejetprok850. Do not open any covers or push any of the Troubleshooting tips and resources conditions ...
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. See Operating system and network protocol specifications. ...all other programs are closed or temporarily disabled. This process takes about eight minutes. You can download the printer driver from www.hp.com/support/officejetprok850. Do not open any covers or push any of the Troubleshooting tips and resources conditions ...
User's Guide
Page 115
...media. ● Remove all covers are on again. ● If the error persists, clean the printhead contacts (see Clearing jams). The rear-access panel or the automatic two-sided printing accessory ...in the printer. ● Press (Resume button) to print. ● If the error persists, turn the printer off, and then on . The Power light is on . One or more of the color indicator ...Door Open light blinks. See HP supplies and accessories for information about ordering supplies. The printer is not closed . The Power light is on the printhead latch to continue the print job...
...media. ● Remove all covers are on again. ● If the error persists, clean the printhead contacts (see Clearing jams). The rear-access panel or the automatic two-sided printing accessory ...in the printer. ● Press (Resume button) to print. ● If the error persists, turn the printer off, and then on . The Power light is on . One or more of the color indicator ...Door Open light blinks. See HP supplies and accessories for information about ordering supplies. The printer is not closed . The Power light is on the printhead latch to continue the print job...
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 ...