User's Guide
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......5 Front view...5 Control panel...6 Back view...7 2 Installing the accessories Installing the duplex unit...10 Installing tray 2...11 3 Using the printer Selecting print media...14 Tips for selecting and using print media 14 Understanding specifications for supported media 15 Understanding supported sizes 15 Understanding supported ...media (Windows 26 To print on special or custom-sized media (Mac OS 26 4 Maintaining and troubleshooting Replacing the ink cartridges...30 Maintaining the printheads...31 To check printhead health...31 To print the print quality diagnostic page 31 ENWW iii
......5 Front view...5 Control panel...6 Back view...7 2 Installing the accessories Installing the duplex unit...10 Installing tray 2...11 3 Using the printer Selecting print media...14 Tips for selecting and using print media 14 Understanding specifications for supported media 15 Understanding supported sizes 15 Understanding supported ...media (Windows 26 To print on special or custom-sized media (Mac OS 26 4 Maintaining and troubleshooting Replacing the ink cartridges...30 Maintaining the printheads...31 To check printhead health...31 To print the print quality diagnostic page 31 ENWW iii
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...tips and resources...38 General troubleshooting tips...39 Resolving printing problems...40 Printer shuts down unexpectedly 40 All printer lights are on...40 Printer is not responding (nothing prints 40 Printer does not accept printhead 41 Printer takes a long time to print 41 Blank page printed...42 ... graphics 46 Resolving paper-feed problems...47 Tray cannot be inserted ...47 Another paper-feed problem is occurring 47 Resolving printer management problems 49 Embedded Web server cannot be opened 49 Troubleshooting installation issues...50 Problems printing an alignment page 50 Problems...
...tips and resources...38 General troubleshooting tips...39 Resolving printing problems...40 Printer shuts down unexpectedly 40 All printer lights are on...40 Printer is not responding (nothing prints 40 Printer does not accept printhead 41 Printer takes a long time to print 41 Blank page printed...42 ... graphics 46 Resolving paper-feed problems...47 Tray cannot be inserted ...47 Another paper-feed problem is occurring 47 Resolving printer management problems 49 Embedded Web server cannot be opened 49 Troubleshooting installation issues...50 Problems printing an alignment page 50 Problems...
User's Guide
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... Web server (network connection) Allows you quickly identify, diagnose, and resolve printing problems. See HP Instant Support. HP Printer Utility (Mac OS) The HP Printer Utility contains tools to configure print settings, calibrate the printer, clean the printheads, print the configuration page of the features Available from any computer on the Starter CD. You can obtain product...
... Web server (network connection) Allows you quickly identify, diagnose, and resolve printing problems. See HP Instant Support. HP Printer Utility (Mac OS) The HP Printer Utility contains tools to configure print settings, calibrate the printer, clean the printheads, print the configuration page of the features Available from any computer on the Starter CD. You can obtain product...
User's Guide
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.... ENWW Finding other resources for the product 3 Provide the latest printer software, and product and support information. Resource Logs and reports Configuration page Print quality diagnostic page HP websites HP telephone support Description Location Provides information about events that are installed (such... as the duplex unit), and the number of pages printed from the trays and accessories, as well as the ink level information, and the printhead health status...
.... ENWW Finding other resources for the product 3 Provide the latest printer software, and product and support information. Resource Logs and reports Configuration page Print quality diagnostic page HP websites HP telephone support Description Location Provides information about events that are installed (such... as the duplex unit), and the number of pages printed from the trays and accessories, as well as the ink level information, and the printhead health status...
User's Guide
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Understanding the printer parts Front view 1 Control panel 2 Output tray 3 Paper guides 4 Tray 1 5 Tray 2 (HP Officejet Pro K550dtn/K550dtwn) 6 Ink cartridge cover 7 Ink cartridges 8 Printheads 9 Printhead latch 10 Top cover ENWW Understanding the printer parts 5
Understanding the printer parts Front view 1 Control panel 2 Output tray 3 Paper guides 4 Tray 1 5 Tray 2 (HP Officejet Pro K550dtn/K550dtwn) 6 Ink cartridge cover 7 Ink cartridges 8 Printheads 9 Printhead latch 10 Top cover ENWW Understanding the printer parts 5
User's Guide
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Control panel For more information about interpreting control-panel lights, see Printer lights reference. 1 Power button and light 2 Configuration Page button HP Officejet Pro K550dtn HP Officejet Pro K550dtwn 3 Cancel button 4 Resume button and light 5 Printhead lights 6 Ink cartridge lights 6 Chapter 1 Getting started ENWW
Control panel For more information about interpreting control-panel lights, see Printer lights reference. 1 Power button and light 2 Configuration Page button HP Officejet Pro K550dtn HP Officejet Pro K550dtwn 3 Cancel button 4 Resume button and light 5 Printhead lights 6 Ink cartridge lights 6 Chapter 1 Getting started ENWW
User's Guide
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4 Maintaining and troubleshooting This section contains the following information for maintaining the printer and for troubleshooting printer or printing problems. ● Replacing the ink cartridges ● Maintaining the printheads ● Calibrating the color ● Troubleshooting tips and resources ● General troubleshooting tips ● Resolving printing problems ● Poor print quality and unexpected printouts ● Resolving paper-feed problems ● Resolving printer management problems ● Troubleshooting installation issues ● Clearing jams ENWW 29
4 Maintaining and troubleshooting This section contains the following information for maintaining the printer and for troubleshooting printer or printing problems. ● Replacing the ink cartridges ● Maintaining the printheads ● Calibrating the color ● Troubleshooting tips and resources ● General troubleshooting tips ● Resolving printing problems ● Poor print quality and unexpected printouts ● Resolving paper-feed problems ● Resolving printer management problems ● Troubleshooting installation issues ● Clearing jams ENWW 29
User's Guide
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... sequence: 1. When the quality of printouts deteriorates, complete the relevant steps based on a clean sheet of the maintenance functions, or clean or replace the printhead. ● Configuration page: Print the configuration page on the page. ● Control panel: Press and hold (Power... perform the recommended actions (see To check printhead health). 2. CAUTION HP is available only if the ENWW Maintaining the printheads 31 See To clean the printhead contacts manually. 5. Check the health of the printer. Manually clean the printhead contacts. Click the Information tab and click...
... sequence: 1. When the quality of printouts deteriorates, complete the relevant steps based on a clean sheet of the maintenance functions, or clean or replace the printhead. ● Configuration page: Print the configuration page on the page. ● Control panel: Press and hold (Power... perform the recommended actions (see To check printhead health). 2. CAUTION HP is available only if the ENWW Maintaining the printheads 31 See To clean the printhead contacts manually. 5. Check the health of the printer. Manually clean the printhead contacts. Click the Information tab and click...
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... Print PQ (print quality) diagnostic page and follow the onscreen instructions. ● HP Printer Utility (Mac OS): Click Print PQ Diagnostic Page from the trays and duplex unit, the ink level information, and the printhead health status. 2 Test Pattern 1: If the lines are pointing, calibrate the linefeed...there are dark lines or white gaps where the arrows are not straight and connected, align the printheads. Toolbox is installed), and then click the Printer Services tab. See To align the printheads. 3 Test Pattern 2: If there are thin white lines across any of pages printed from ...
... Print PQ (print quality) diagnostic page and follow the onscreen instructions. ● HP Printer Utility (Mac OS): Click Print PQ Diagnostic Page from the trays and duplex unit, the ink level information, and the printhead health status. 2 Test Pattern 1: If the lines are pointing, calibrate the linefeed...there are dark lines or white gaps where the arrows are not straight and connected, align the printheads. Toolbox is installed), and then click the Printer Services tab. See To align the printheads. 3 Test Pattern 2: If there are thin white lines across any of pages printed from ...
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... list in the Print Quality section, and click Apply. ● Printer driver (Windows): Click the Services tab. Click Align Printheads and follow the onscreen instructions. ● Toolbox (Windows): Click the Printer Services tab, and then click Align Printheads and follow the onscreen instructions. ● HP Printer Utility (Mac OS): Click Calibrate Linefeed from the Information and...
... list in the Print Quality section, and click Apply. ● Printer driver (Windows): Click the Services tab. Click Align Printheads and follow the onscreen instructions. ● Toolbox (Windows): Click the Printer Services tab, and then click Align Printheads and follow the onscreen instructions. ● HP Printer Utility (Mac OS): Click Calibrate Linefeed from the Information and...
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... the power cord from the Information and Support panel. Click Clean Printheads and follow the onscreen instructions. ● Toolbox (Windows): Click the Printer Services tab, and then click Clean Printheads and follow the onscreen instructions. ● HP Printer Utility (Mac OS): Click Clean from the printer. 3. Electrical contacts contain sensitive electronic components that can be damaged...
... the power cord from the Information and Support panel. Click Clean Printheads and follow the onscreen instructions. ● Toolbox (Windows): Click the Printer Services tab, and then click Clean Printheads and follow the onscreen instructions. ● HP Printer Utility (Mac OS): Click Clean from the printer. 3. Electrical contacts contain sensitive electronic components that can be damaged...
User's Guide
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...properly engaged. 6. The nozzles are not in contact with a clean, dry, soft and lintfree cloth. 9. Plug in the printhead slot inside the printer with the paper. 8. the printhead latch). Clean the electrical contacts in the power cord and turn on a sheet of paper or paper towel. The control ...panel should indicate that the latch is missing. 10 Insert the printhead into its color-coded slot (the label on the printhead must match the label on a different face of the printhead. After cleaning, place the printhead on the printer.
...properly engaged. 6. The nozzles are not in contact with a clean, dry, soft and lintfree cloth. 9. Plug in the printhead slot inside the printer with the paper. 8. the printhead latch). Clean the electrical contacts in the power cord and turn on a sheet of paper or paper towel. The control ...panel should indicate that the latch is missing. 10 Insert the printhead into its color-coded slot (the label on the printhead must match the label on a different face of the printhead. After cleaning, place the printhead on the printer.
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... and troubleshooting ENWW the printhead which corresponds to the blinking printhead light. 15 If one or both the printhead lights still blink, replace the printhead which printheads work with your printer, see Supplies. 1. To replace the printheads NOTE To find out which corresponds to the . blinking printhead light. 16 Wait while the printer initializes the printheads and prints the alignment...
... and troubleshooting ENWW the printhead which corresponds to the blinking printhead light. 15 If one or both the printhead lights still blink, replace the printhead which printheads work with your printer, see Supplies. 1. To replace the printheads NOTE To find out which corresponds to the . blinking printhead light. 16 Wait while the printer initializes the printheads and prints the alignment...
User's Guide
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Click Calibrate Color and follow the onscreen instructions. ● Toolbox (Windows): Click the Printer Services tab, and then click Calibrate Color and follow the onscreen instructions. ● HP Printer Utility (Mac OS): Click Calibrate Color from the drop-down list in the left pane, select the option to ... tab. ENWW Calibrating the color 37 If you are not satisfied with the appearance of the colors, you replace a printhead, the printer automatically calibrates the colors to calibrate color from the Information and Support panel. Calibrating the color Whenever you can start the...
Click Calibrate Color and follow the onscreen instructions. ● Toolbox (Windows): Click the Printer Services tab, and then click Calibrate Color and follow the onscreen instructions. ● HP Printer Utility (Mac OS): Click Calibrate Color from the drop-down list in the left pane, select the option to ... tab. ENWW Calibrating the color 37 If you are not satisfied with the appearance of the colors, you replace a printhead, the printer automatically calibrates the colors to calibrate color from the Information and Support panel. Calibrating the color Whenever you can start the...
User's Guide
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...printer. ● Printer can print a configuration page. If lights are on or blinking, see Printer lights reference. ● No error messages appear on each printhead. ● Printhead latch and all covers are closed. ● Rear access panel (HP Officejet Pro K550) or duplex unit (HP Officejet Pro K550dtn/K550dtwn...default in the Printers folder. When the printer is turned on and not blinking. See Electrical specifications for the first time, it takes approximately 8 minutes to initialize the printer after the printheads are firmly connected to a functioning alternating current (...
...printer. ● Printer can print a configuration page. If lights are on or blinking, see Printer lights reference. ● No error messages appear on each printhead. ● Printhead latch and all covers are closed. ● Rear access panel (HP Officejet Pro K550) or duplex unit (HP Officejet Pro K550dtn/K550dtwn...default in the Printers folder. When the printer is turned on and not blinking. See Electrical specifications for the first time, it takes approximately 8 minutes to initialize the printer after the printheads are firmly connected to a functioning alternating current (...
User's Guide
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... Check the printhead initialization ▲ When printheads are on the sides of the printer. Check the printer software installation ▲ If the printer is turned off . All printer lights are installed or replaced, the printer automatically prints a few alignment pages to a functioning alternating current ... persists, visit HP website (www.hp.com/ support/officejetprok550) for the latest troubleshooting information, or product fixes and updates. Check the printer vents ▲ The printer vents are not covered and the printer is connected firmly to align the printheads. To resolve ...
... Check the printhead initialization ▲ When printheads are on the sides of the printer. Check the printer software installation ▲ If the printer is turned off . All printer lights are installed or replaced, the printer automatically prints a few alignment pages to a functioning alternating current ... persists, visit HP website (www.hp.com/ support/officejetprok550) for the latest troubleshooting information, or product fixes and updates. Check the printer vents ▲ The printer vents are not covered and the printer is connected firmly to align the printheads. To resolve ...
User's Guide
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... been removed from intrusion. See Configure network settings. See To replace the printheads. ● Remove the printhead, and check to communicate with the printer, try temporarily disabling the firewall. Printer takes a long time to a network, check the following: ● ...9679; Make sure you might block communication between the computer and the printer. Clean the printhead ▲ Complete the printhead cleaning procedure. See Maintaining the printheads. However, the firewall might want to connect the printer. ● The network hub, switch, or router is a security...
... been removed from intrusion. See Configure network settings. See To replace the printheads. ● Remove the printhead, and check to communicate with the printer, try temporarily disabling the firewall. Printer takes a long time to a network, check the following: ● ...9679; Make sure you might block communication between the computer and the printer. Clean the printhead ▲ Complete the printhead cleaning procedure. See Maintaining the printheads. However, the firewall might want to connect the printer. ● The network hub, switch, or router is a security...
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...trays are printing black text and a blank page prints, the black cartridge might be empty. See Changing print settings. The Toolbox (Windows), HP Printer Utility (Mac OS), and the configuration page (see To print the print quality diagnostic page). See Replacing the ink cartridges. See Setting minimum ...the edges of the stack of the electromagnetic fields. To increase the print speed, select different print settings in the printer driver. Something on the page is missing or incorrect Check the printheads ▲ Print the print quality diagnostic page on a wireless network.
...trays are printing black text and a blank page prints, the black cartridge might be empty. See Changing print settings. The Toolbox (Windows), HP Printer Utility (Mac OS), and the configuration page (see To print the print quality diagnostic page). See Replacing the ink cartridges. See Setting minimum ...the edges of the stack of the electromagnetic fields. To increase the print speed, select different print settings in the printer driver. Something on the page is missing or incorrect Check the printheads ▲ Print the print quality diagnostic page on a wireless network.
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.... Poor print quality and unexpected printouts Poor quality printouts Check the printheads and ink cartridges ● Print the print quality diagnostic page on ink, and try to the ready state. See Understanding specifications for the printer to return to print again. Meaningless characters print If an interruption... may be too moist or too rough. If the printer does not return to print again. Make sure the media used meets HP specifications, and try printing a backup copy of media you have selected the tray in the printer driver that contains the media that you use a USB...
.... Poor print quality and unexpected printouts Poor quality printouts Check the printheads and ink cartridges ● Print the print quality diagnostic page on ink, and try to the ready state. See Understanding specifications for the printer to return to print again. Meaningless characters print If an interruption... may be too moist or too rough. If the printer does not return to print again. Make sure the media used meets HP specifications, and try printing a backup copy of media you have selected the tray in the printer driver that contains the media that you use a USB...
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Choose different print settings in the placement of white paper. For ordering information, see To print the print quality diagnostic page). HP does not guarantee or support refilled ink cartridges. Evaluate any problem areas, and perform the recommended actions (see To print the print ...colors Check the print settings ▲ Some media type settings (such as for gaps in the printer driver, make sure you select the correct media type. Colors do not line up properly Check the printheads ▲ Print the print quality diagnostic page on a clean sheet of white paper. Check ...
Choose different print settings in the placement of white paper. For ordering information, see To print the print quality diagnostic page). HP does not guarantee or support refilled ink cartridges. Evaluate any problem areas, and perform the recommended actions (see To print the print ...colors Check the print settings ▲ Some media type settings (such as for gaps in the printer driver, make sure you select the correct media type. Colors do not line up properly Check the printheads ▲ Print the print quality diagnostic page on a clean sheet of white paper. Check ...