User's Guide
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... print on special or custom-sized 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
... print on special or custom-sized 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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... Placement of the text or graphics is wrong 42 Poor print quality and unexpected printouts 44 Poor quality printouts...44 Meaningless characters print 44 Ink is smearing...45 Ink is not filling the text or graphics completely 45 Output is faded or dull colored 45 Colors are printing as black and white...
... Placement of the text or graphics is wrong 42 Poor print quality and unexpected printouts 44 Poor quality printouts...44 Meaningless characters print 44 Ink is smearing...45 Ink is not filling the text or graphics completely 45 Output is faded or dull colored 45 Colors are printing as black and white...
User's Guide
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... 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. During the warranty period, this support is connected to contact HP. Shows printer information (such as the product name, model number, serial number,...
... 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. During the warranty period, this support is connected to contact HP. Shows printer information (such as the product name, model number, serial number,...
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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.... 14 Chapter 3 Using the printer ENWW See Loading media. ● Tray 2 is designed to the printer specifications. Tips for details on HP media. See Understanding specifications for optimum print quality. It is best to work well with cutouts or perforations ● Media that is heavily textured..., embossed, or does not accept ink well ● Media that is too lightweight or stretches easily Cards and envelopes ● Avoid envelopes that conforms to hold only plain paper....
.... 14 Chapter 3 Using the printer ENWW See Loading media. ● Tray 2 is designed to the printer specifications. Tips for details on HP media. See Understanding specifications for optimum print quality. It is best to work well with cutouts or perforations ● Media that is heavily textured..., embossed, or does not accept ink well ● Media that is too lightweight or stretches easily Cards and envelopes ● Avoid envelopes that conforms to hold only plain paper....
User's Guide
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...; Use the Best mode to stack up may cause smearing. Transparencies ● Insert transparencies with the HP Officejet Pro K550dtn and HP Officejet Pro K550dtwn printers. This mode provides longer drying time and ensures that the ink dries completely before printing the document. If not, set the media size in the printer driver...* (148 by 210 mm; 5.8 by 8.3 inches) Envelopes U.S. #10 Envelope (105 by 241 mm; 4.12 by 9.5 inches) Monarch Envelope (98 by 191 mm; 3.88 by 7.5 inches) HP Greeting Card Envelope (111 by 152 mm; 4.38 by 10.5 inches) U.S.
...; Use the Best mode to stack up may cause smearing. Transparencies ● Insert transparencies with the HP Officejet Pro K550dtn and HP Officejet Pro K550dtwn printers. This mode provides longer drying time and ensures that the ink dries completely before printing the document. If not, set the media size in the printer driver...* (148 by 210 mm; 5.8 by 8.3 inches) Envelopes U.S. #10 Envelope (105 by 241 mm; 4.12 by 9.5 inches) Monarch Envelope (98 by 191 mm; 3.88 by 7.5 inches) HP Greeting Card Envelope (111 by 152 mm; 4.38 by 10.5 inches) U.S.
User's Guide
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... occur with watermarks and prepunched holes. When you print from a computer using the Mac OS, the printer prints the second side first. Once the ink dries, the media is pulled back into the printer again. For a list of the media first. For auto-duplexing, make sure the duplex unit...may result in the printer driver. ● Do not print on one side of the media, the printer holds the media and pauses while the ink dries. When you print from a computer running Windows, the printer prints the first side of supported custom-sized media, see Understanding specifications for supported...
... occur with watermarks and prepunched holes. When you print from a computer using the Mac OS, the printer prints the second side first. Once the ink dries, the media is pulled back into the printer again. For a list of the media first. For auto-duplexing, make sure the duplex unit...may result in the printer driver. ● Do not print on one side of the media, the printer holds the media and pauses while the ink dries. When you print from a computer running Windows, the printer prints the first side of supported custom-sized media, see Understanding specifications for supported...
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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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... from its color-coded slot and insert the cartridge into the slot. To replace the ink cartridges 1. NOTE After removing a cartridge from the Toolbox (Windows), the HP Printer Utility (Mac OS), or the embedded Web server. Align the cartridge with your thumb and forefinger and pulling it ...right away. Press down firmly on the cartridge to view this information (see Understanding the configuration page). To find out which ink cartridges work ...
... from its color-coded slot and insert the cartridge into the slot. To replace the ink cartridges 1. NOTE After removing a cartridge from the Toolbox (Windows), the HP Printer Utility (Mac OS), or the embedded Web server. Align the cartridge with your thumb and forefinger and pulling it ...right away. Press down firmly on the cartridge to view this information (see Understanding the configuration page). To find out which ink cartridges work ...
User's Guide
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... yellow, magenta, or blue, calibrate the color (see To print the print quality diagnostic page). 3. See To replace the printheads. CAUTION HP is not responsible for damage to check the printhead health. To check printhead health Use one or more of the maintenance functions, or clean ... (Windows): Open the Toolbox (see To check printhead health). 2. See To clean the printhead contacts manually. 5. Click the Information tab and click Ink Supplies in the left pane, select PQ (print quality) diagnostic page from printouts, this option is not good or fair, then perform one of the...
... yellow, magenta, or blue, calibrate the color (see To print the print quality diagnostic page). 3. See To replace the printheads. CAUTION HP is not responsible for damage to check the printhead health. To check printhead health Use one or more of the maintenance functions, or clean ... (Windows): Open the Toolbox (see To check printhead health). 2. See To clean the printhead contacts manually. 5. Click the Information tab and click Ink Supplies in the left pane, select PQ (print quality) diagnostic page from printouts, this option is not good or fair, then perform one of the...
User's Guide
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...Toolbox (Windows): Click the Printer Services tab, and then click Print PQ (print quality) diagnostic page and follow the onscreen instructions. ● HP Printer Utility (Mac OS): Click Print PQ Diagnostic Page from the Information and Support panel. 1 Printer Information: Shows printer information (such as the... the printheads. 3 Test Pattern 2: If there are thin white lines across any of pages printed 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. Toolbox is installed), and...
...Toolbox (Windows): Click the Printer Services tab, and then click Print PQ (print quality) diagnostic page and follow the onscreen instructions. ● HP Printer Utility (Mac OS): Click Print PQ Diagnostic Page from the Information and Support panel. 1 Printer Information: Shows printer information (such as the... the printheads. 3 Test Pattern 2: If there are thin white lines across any of pages printed 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. Toolbox is installed), and...
User's Guide
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... the Print Quality section, and click Apply. ● Printer driver (Windows): Click the Services tab. To clean the printheads NOTE Cleaning uses ink, so clean the printheads only when necessary. Some noise might be generated in the process. ● Control panel: Press and hold (Power... 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 drop-down list in the Print Quality section, and click Apply. ● Printer driver...
... the Print Quality section, and click Apply. ● Printer driver (Windows): Click the Services tab. To clean the printheads NOTE Cleaning uses ink, so clean the printheads only when necessary. Some noise might be generated in the process. ● Control panel: Press and hold (Power... 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 drop-down list in the Print Quality section, and click Apply. ● Printer driver...
User's Guide
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...towel. Press down to engage the latch. 12 Where necessary, repeat the above steps for the remaining printhead. . 13 Close the top cover. . Also, ink can cause permanent nozzle damage. The control panel should indicate that the latch is missing. 10 Insert the printhead into its color-coded slot (the... some pressure to ensure that the printhead is . Clean the electrical contacts in the power cord and turn on a sheet of the printhead. Ink will be visible on the printhead but do not touch the nozzles. Plug in the printhead slot inside the printer with the paper. 8.
...towel. Press down to engage the latch. 12 Where necessary, repeat the above steps for the remaining printhead. . 13 Close the top cover. . Also, ink can cause permanent nozzle damage. The control panel should indicate that the latch is missing. 10 Insert the printhead into its color-coded slot (the... some pressure to ensure that the printhead is . Clean the electrical contacts in the power cord and turn on a sheet of the printhead. Ink will be visible on the printhead but do not touch the nozzles. Plug in the printhead slot inside the printer with the paper. 8.
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.... Press down firmly 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) is turned on for the first time, it takes approximately 8 minutes to a functioning alternating current...to the printer. See Electrical specifications for more information. ● Pause Printing is not jammed in the printer. ● Printheads and ink cartridges are using or restart the computer before attempting the task again. Close programs that you are not using a computer running Windows. ...
.... Press down firmly 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) is turned on for the first time, it takes approximately 8 minutes to a functioning alternating current...to the printer. See Electrical specifications for more information. ● Pause Printing is not jammed in the printer. ● Printheads and ink cartridges are using or restart the computer before attempting the task again. Close programs that you are not using a computer running Windows. ...
User's Guide
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... the printer is connected using wireless communication and is less than 3 meters (9.8 feet) long to printouts. See Replacing the ink cartridges. Evaluate any problem areas, and perform the recommended actions (see Interpreting control panel lights). Check the printer location and length...distortions to minimize the effects of these electromagnetic fields. The Toolbox (Windows), HP Printer Utility (Mac OS), and the configuration page (see Understanding the configuration page) provide information about ink levels. See Setting minimum margins. Move the printer away from the source ...
... the printer is connected using wireless communication and is less than 3 meters (9.8 feet) long to printouts. See Replacing the ink cartridges. Evaluate any problem areas, and perform the recommended actions (see Interpreting control panel lights). Check the printer location and length...distortions to minimize the effects of these electromagnetic fields. The Toolbox (Windows), HP Printer Utility (Mac OS), and the configuration page (see Understanding the configuration page) provide information about ink levels. See Setting minimum margins. Move the printer away from the source ...
User's Guide
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... ▲ High electromagnetic fields (such as those generated by the computer to the ready state. Make sure the media used meets HP specifications, and try to print again. Check the type of media loaded in the printer driver that contains the media that are low ... want to minimize the effects of the electromagnetic fields. When the printer is on the printer without connecting the cable, and delete any ink cartridges that you can sometimes cause slight distortions to printouts. See Selecting print media. See Understanding specifications for the printer to return to ...
... ▲ High electromagnetic fields (such as those generated by the computer to the ready state. Make sure the media used meets HP specifications, and try to print again. Check the type of media loaded in the printer driver that contains the media that are low ... want to minimize the effects of the electromagnetic fields. When the printer is on the printer without connecting the cable, and delete any ink cartridges that you can sometimes cause slight distortions to printouts. See Selecting print media. See Understanding specifications for the printer to return to ...
User's Guide
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... not filling the text or graphics completely Check the ink cartridges ▲ Ink cartridges might give printouts a "washed-out" quality. ● Color documents that decreasing ink saturation might have run out of ink. However, note that have run out of ink or are not suitable for use HP Premium Paper designed for transparencies. Try using the...
... not filling the text or graphics completely Check the ink cartridges ▲ Ink cartridges might give printouts a "washed-out" quality. ● Color documents that decreasing ink saturation might have run out of ink. However, note that have run out of ink or are not suitable for use HP Premium Paper designed for transparencies. Try using the...
User's Guide
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...of graphics on the page. Choose different print settings in the printer driver. Check the ink cartridges ▲ Make sure ink cartridges have not been tampered with. HP does not guarantee or support refilled ink cartridges. Check the printheads ▲ Print the print quality diagnostic page on a clean... are missing from text or graphics Check the printheads ▲ Print the print quality diagnostic page on a clean sheet of incompatible inks can disrupt the intricate printing system, and result in reduced print quality and damage to check for transparencies and photo papers) and ...
...of graphics on the page. Choose different print settings in the printer driver. Check the ink cartridges ▲ Make sure ink cartridges have not been tampered with. HP does not guarantee or support refilled ink cartridges. Check the printheads ▲ Print the print quality diagnostic page on a clean... are missing from text or graphics Check the printheads ▲ Print the print quality diagnostic page on a clean sheet of incompatible inks can disrupt the intricate printing system, and result in reduced print quality and damage to check for transparencies and photo papers) and ...
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Interpreting control panel lights 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 For more information, visit HP website (www.hp.com/support/officejetprok550) for the latest troubleshooting information, or product fixes and updates. Light description /Light pattern Explanation...
Interpreting control panel lights 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 For more information, visit HP website (www.hp.com/support/officejetprok550) for the latest troubleshooting information, or product fixes and updates. Light description /Light pattern Explanation...