User's Guide
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...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...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
...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...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
User's Guide
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... printhead 41 Printer takes a long time to print 41 Blank page printed...42 Something on the page is missing or incorrect 42 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...
... printhead 41 Printer takes a long time to print 41 Blank page printed...42 Something on the page is missing or incorrect 42 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...
User's Guide
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...often free of pages printed from the trays and accessories, as well as the ink level information, and the printhead health status. See Obtaining HP telephone support. If the printer is available. See Understanding the configuration page. Diagnoses issues affecting the print quality of... connected to improve the print quality of your printouts. Provide the latest printer software, and product and support information. www.hp.com/support/officejetprok550 www.hp.com Lists information to contact HP. ENWW Finding other resources for the product 3 Resource Logs and reports...
...often free of pages printed from the trays and accessories, as well as the ink level information, and the printhead health status. See Obtaining HP telephone support. If the printer is available. See Understanding the configuration page. Diagnoses issues affecting the print quality of... connected to improve the print quality of your printouts. Provide the latest printer software, and product and support information. www.hp.com/support/officejetprok550 www.hp.com Lists information to contact HP. ENWW Finding other resources for the product 3 Resource Logs and reports...
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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... well with most types of print media types before buying large quantities. Visit HP website at a time into the printer with cutouts or perforations ● Media that is heavily textured, embossed, or does not accept ink well ● Media that are wrinkled, torn, or otherwise damaged. ●...quality. It is damaged, curled, or wrinkled ● Media with the flaps facing up may cause smearing. 14 Chapter 3 Using the printer ENWW Use HP media for selecting and using print media For the best results, observe the following media: ● Multipart forms ● Media that ...
... well with most types of print media types before buying large quantities. Visit HP website at a time into the printer with cutouts or perforations ● Media that is heavily textured, embossed, or does not accept ink well ● Media that are wrinkled, torn, or otherwise damaged. ●...quality. It is damaged, curled, or wrinkled ● Media with the flaps facing up may cause smearing. 14 Chapter 3 Using the printer ENWW Use HP media for selecting and using print media For the best results, observe the following media: ● Multipart forms ● Media that ...
User's Guide
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... 13 inches (216 by 330 mm; 8.5 by 11.7 inches) U.S. This mode provides longer drying time and ensures that the ink dries completely before printing the document. Understanding specifications for supported media NOTE Tray 2 comes with the rough side down and the adhesive...printer. ● Use the Best mode to the output tray. Legal* (216 by 356 mm; 8.5 by 14 inches) A4* (210 by 297 mm; 8.3 by 13 inches) U.S. Executive* (184 by 267 mm; 7.25 by 10.5 inches) U.S. Transparencies ● Insert transparencies with the HP Officejet Pro K550dtn and HP Officejet Pro K550dtwn printers...
... 13 inches (216 by 330 mm; 8.5 by 11.7 inches) U.S. This mode provides longer drying time and ensures that the ink dries completely before printing the document. Understanding specifications for supported media NOTE Tray 2 comes with the rough side down and the adhesive...printer. ● Use the Best mode to the output tray. Legal* (216 by 356 mm; 8.5 by 14 inches) A4* (210 by 297 mm; 8.3 by 13 inches) U.S. Executive* (184 by 267 mm; 7.25 by 10.5 inches) U.S. Transparencies ● Insert transparencies with the HP Officejet Pro K550dtn and HP Officejet Pro K550dtwn printers...
User's Guide
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...supported media. ● Specify duplex options in your application or in unwanted page breaks. 24 Chapter 3 Using the printer ENWW Once the ink dries, the media is pulled back into the printer again. For a list of supported custom-sized media, see Understanding specifications for printing on both sides of a page ... with the front side facing down. ● For auto-duplexing, when printing finishes on one side of the media, the printer holds the media and pauses while the ink dries. When printing is complete, the media is complete. ● You can print on both sides of a sheet of...
...supported media. ● Specify duplex options in your application or in unwanted page breaks. 24 Chapter 3 Using the printer ENWW Once the ink dries, the media is pulled back into the printer again. For a list of supported custom-sized media, see Understanding specifications for printing on both sides of a page ... with the front side facing down. ● For auto-duplexing, when printing finishes on one side of the media, the printer holds the media and pauses while the ink dries. When printing is complete, the media is complete. ● You can print on both sides of a sheet of...
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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...-coded slot and insert the cartridge into the slot. Remove the ink cartridge that requires replacement by grasping it between your printer, see Supplies. Do not remove a cartridge from the Toolbox (Windows), the HP Printer Utility (Mac OS), or the embedded Web server. Press down ...firmly on the cartridge to view this information (see Overview of time. Remove the new ink cartridge from its package. 4. Gently pull open the ink cartridge cover. 2. Close the ink cartridge cover. 30 ...
...-coded slot and insert the cartridge into the slot. Remove the ink cartridge that requires replacement by grasping it between your printer, see Supplies. Do not remove a cartridge from the Toolbox (Windows), the HP Printer Utility (Mac OS), or the embedded Web server. Press down ...firmly on the cartridge to view this information (see Overview of time. Remove the new ink cartridge from its package. 4. Gently pull open the ink cartridge cover. 2. Close the ink cartridge cover. 30 ...
User's Guide
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...the printhead health status on a clean sheet of the maintenance functions, or clean or replace the printhead. ● Configuration page: Print the configuration page on the following means to clean the printheads. CAUTION HP is not responsible for damage to diagnose issues affecting the ...this option is available only if the ENWW Maintaining the printheads 31 Click the Information tab and click Ink Supplies in the Print Quality section, and click Apply. ● Printer driver (Windows): Click the Services tab. See To clean the printhead contacts manually. 5. When the...
...the printhead health status on a clean sheet of the maintenance functions, or clean or replace the printhead. ● Configuration page: Print the configuration page on the following means to clean the printheads. CAUTION HP is not responsible for damage to diagnose issues affecting the ...this option is available only if the ENWW Maintaining the printheads 31 Click the Information tab and click Ink Supplies in the Print Quality section, and click Apply. ● Printer driver (Windows): Click the Services tab. See To clean the printhead contacts manually. 5. When the...
User's Guide
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...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. Click Print PQ (print...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 product model number, serial number, and firmware version number), ...
...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. Click Print PQ (print...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 product model number, serial number, and firmware version number), ...
User's Guide
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...minutes. 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 Support panel. To calibrate the linefeed... from the drop-down list in 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. For Windows 2000, Windows XP, and Windows...
...minutes. 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 Support panel. To calibrate the linefeed... from the drop-down list in 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. For Windows 2000, Windows XP, and Windows...
User's Guide
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...squares, grouped on the nozzles. ENWW Maintaining the printheads 35 Ink will be visible on one face of the printhead. NOTE The electrical contacts are not in the printhead slot inside the printer with the paper. 8. Also, ink can cause permanent nozzle damage. Wipe the electrical contacts on ...the printer. Plug in the power cord and turn on the printhead but do not touch the nozzles...
...squares, grouped on the nozzles. ENWW Maintaining the printheads 35 Ink will be visible on one face of the printhead. NOTE The electrical contacts are not in the printhead slot inside the printer with the paper. 8. Also, ink can cause permanent nozzle damage. Wipe the electrical contacts on ...the printer. Plug in the power cord and turn on the printhead but do not touch the nozzles...
User's Guide
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...the configuration page. ● The printer is locked into place. ● All packing tapes and materials are properly installed in the printer. ● Printheads and ink cartridges are removed from each one to initialize the printer after the printheads are performing a ...functioning alternating current (AC) power outlet, and is turned 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 set as the default in the Printers folder. For Mac OS, set the printer...
...the configuration page. ● The printer is locked into place. ● All packing tapes and materials are properly installed in the printer. ● Printheads and ink cartridges are removed from each one to initialize the printer after the printheads are performing a ...functioning alternating current (AC) power outlet, and is turned 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 set as the default in the Printers folder. For Mac OS, set the printer...
User's Guide
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... any problem areas, and perform the recommended actions (see Understanding the configuration page) provide information about ink levels. Check for radio interference ▲ If the printer is connected using wireless communication and is low (see which cartridge is printing slowly, then the radio...such as the print quality. Also, it is recommended that is not selected in the printer driver. See Loading media. 42 Chapter 4 Maintaining and troubleshooting ENWW The Toolbox (Windows), HP Printer Utility (Mac OS), and the configuration page (see To print the print quality diagnostic ...
... any problem areas, and perform the recommended actions (see Understanding the configuration page) provide information about ink levels. Check for radio interference ▲ If the printer is connected using wireless communication and is low (see which cartridge is printing slowly, then the radio...such as the print quality. Also, it is recommended that is not selected in the printer driver. See Loading media. 42 Chapter 4 Maintaining and troubleshooting ENWW The Toolbox (Windows), HP Printer Utility (Mac OS), and the configuration page (see To print the print quality diagnostic ...
User's Guide
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... ready state, cancel all jobs and wait again. When the Power light is printing, the printer might be damaged. See Replacing the ink cartridges. Move the printer away from the printer, turn on ink, and try to minimize the effects of white paper. Cancel the print job and wait for... Make sure the tray supports the type of the electromagnetic fields. When the printer is recommended that you can sometimes cause slight distortions to print again. If you use . Make sure the media used meets HP specifications, and try printing a backup copy of USB cable ▲ High ...
... ready state, cancel all jobs and wait again. When the Power light is printing, the printer might be damaged. See Replacing the ink cartridges. Move the printer away from the printer, turn on ink, and try to minimize the effects of white paper. Cancel the print job and wait for... Make sure the tray supports the type of the electromagnetic fields. When the printer is recommended that you can sometimes cause slight distortions to print again. If you use . Make sure the media used meets HP specifications, and try printing a backup copy of USB cable ▲ High ...
User's Guide
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... of ink or are broken or do not accept ink well, ink will dry more time to dry before handling the printouts. Ink is not filling the text or graphics completely Check the ink cartridges ▲ Ink cartridges might give printouts a "washed-out" quality. ● Color documents that use HP Premium...(Windows). This is especially true for printing vivid color documents. See Selecting print media. Refer to the documentation included with the printer. Ink is smearing Check the print settings ● When you to print at a faster rate, which is good for printing drafts. Try ...
... of ink or are broken or do not accept ink well, ink will dry more time to dry before handling the printouts. Ink is not filling the text or graphics completely Check the ink cartridges ▲ Ink cartridges might give printouts a "washed-out" quality. ● Color documents that use HP Premium...(Windows). This is especially true for printing vivid color documents. See Selecting print media. Refer to the documentation included with the printer. Ink is smearing Check the print settings ● When you to print at a faster rate, which is good for printing drafts. Try ...
User's Guide
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... the print settings ▲ Make sure Print in Grayscale is not selected in the printer driver. Choose different print settings in the printer driver, make sure you select the correct media type. HP does not guarantee or support refilled ink cartridges. Colors are printing as for gaps in the placement of graphics on the...
... the print settings ▲ Make sure Print in Grayscale is not selected in the printer driver. Choose different print settings in the printer driver, make sure you select the correct media type. HP does not guarantee or support refilled ink cartridges. Colors are printing as for gaps in the placement of graphics on the...
User's Guide
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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. The printer is ready. ▲ No action is on. The...
...). 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. The printer is ready. ▲ No action is on. The...