User's Guide
Page 42
... 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. See To clean the printheads. Lift the printhead latch. 4. Electrical contacts... printheads are installed, if one or both printhead lights on the printheads and in the printer. If the carriage does not move to clean the electrical contacts on the control panel begin to blink and the printer will not print, you have attempted to clean the...
... 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. See To clean the printheads. Lift the printhead latch. 4. Electrical contacts... printheads are installed, if one or both printhead lights on the printheads and in the printer. If the carriage does not move to clean the electrical contacts on the control panel begin to blink and the printer will not print, you have attempted to clean the...
User's Guide
Page 44
...Open the top cover. 2. Lift the handle of its slot. 5. Remove the new printhead from its package, and then remove its color-coded slot (the label on the printhead must match the label on the printhead to ensure that the latch is properly engaged. You might... ensure proper contact. 7. 14 If one or both the printhead lights still blink, repeat the cleaning procedure described above for . 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.
...Open the top cover. 2. Lift the handle of its slot. 5. Remove the new printhead from its package, and then remove its color-coded slot (the label on the printhead must match the label on the printhead to ensure that the latch is properly engaged. You might... ensure proper contact. 7. 14 If one or both the printhead lights still blink, repeat the cleaning procedure described above for . 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.
User's Guide
Page 46
...hold / (Configuration Page button), press (Resume button) 3 times, and release / (Configuration Page button). Wait till the Power light is "ad hoc". 38 Chapter 4 Maintaining and troubleshooting ENWW Press / (Configuration Page button) to resolve printing problems. ●... paper-feed problems. Some printer problems can be resolved by resetting the printer. The Power light blinks for a few seconds. By default, the network name (SSID) is "hpsetup" and the communication mode is on. 2. To reset the printer's network settings (HP Officejet Pro K550dtn/K550dtwn) 1. Troubleshooting ...
...hold / (Configuration Page button), press (Resume button) 3 times, and release / (Configuration Page button). Wait till the Power light is "ad hoc". 38 Chapter 4 Maintaining and troubleshooting ENWW Press / (Configuration Page button) to resolve printing problems. ●... paper-feed problems. Some printer problems can be resolved by resetting the printer. The Power light blinks for a few seconds. By default, the network name (SSID) is "hpsetup" and the communication mode is on. 2. To reset the printer's network settings (HP Officejet Pro K550dtn/K550dtwn) 1. Troubleshooting ...
User's Guide
Page 47
.... ● 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 the printer. ENWW General troubleshooting tips 39 Make sure the printer is connected firmly to ensure proper contact. General troubleshooting tips Ensure the following: ● Power light is in the ready state...
.... ● 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 the printer. ENWW General troubleshooting tips 39 Make sure the printer is connected firmly to ensure proper contact. General troubleshooting tips Ensure the following: ● Power light is in the ready state...
User's Guide
Page 61
... mode at any obstructions or partitions. See Uninstalling the printer software. Disconnect the network cable and configure the printer for reducing interference on the network configuration page of the printer. 6. See also Guidelines for wireless communication. Check the printer lights ● If the Configuration Page light keeps blinking, the device might be faulty. ● If the Configuration...
... mode at any obstructions or partitions. See Uninstalling the printer software. Disconnect the network cable and configure the printer for reducing interference on the network configuration page of the printer. 6. See also Guidelines for wireless communication. Check the printer lights ● If the Configuration Page light keeps blinking, the device might be faulty. ● If the Configuration...
User's Guide
Page 67
...from the output tray. Light description /Light pattern The Power light blinks. It is required. Explanation and recommended action The printer is turning on or off , and then on and the Resume light blinks. Locate and clear the jam. See Clearing jams. The printer carriage has stalled. ●...to dry. The Power light and the Resume light blink. The printer is not closed . The rear access panel or duplex unit is missing, or is not inserted completely. ▲ Make sure the rear access panel (HP Officejet Pro K550) or the duplex unit (HP Officejet Pro K550dtn/ K550dtwn) is ...
...from the output tray. Light description /Light pattern The Power light blinks. It is required. Explanation and recommended action The printer is turning on or off , and then on and the Resume light blinks. Locate and clear the jam. See Clearing jams. The printer carriage has stalled. ●...to dry. The Power light and the Resume light blink. The printer is not closed . The rear access panel or duplex unit is missing, or is not inserted completely. ▲ Make sure the rear access panel (HP Officejet Pro K550) or the duplex unit (HP Officejet Pro K550dtn/ K550dtwn) is ...
User's Guide
Page 68
...cartridges have expired. Light description /Light pattern The Power light and the Resume light blink, and one or more of the ink cartridge lights blink. Damage that results to print. ● If the error persists, replace the ink cartridge indicated. 60 Chapter 5 Printer lights reference ENWW Remove ...and reinsert the printhead if necessary. ● If the error persists, replace the printhead indicated. One or more of the ink cartridges are out of the printhead lights blink. Explanation and recommended action ...
...cartridges have expired. Light description /Light pattern The Power light and the Resume light blink, and one or more of the ink cartridge lights blink. Damage that results to print. ● If the error persists, replace the ink cartridge indicated. 60 Chapter 5 Printer lights reference ENWW Remove ...and reinsert the printhead if necessary. ● If the error persists, replace the printhead indicated. One or more of the ink cartridges are out of the printhead lights blink. Explanation and recommended action ...
User's Guide
Page 69
... on. One or more of the ink cartridges are on. Light description /Light pattern Explanation and recommended action The Power light is on, and one or more of the ink cartridge lights are on. The Configuration Page light blinks. (HP Officejet Pro K550dtwn) The Configuration Page light is required. The printer is in wireless communication mode. ▲ No action is on...
... on. One or more of the ink cartridges are on. Light description /Light pattern Explanation and recommended action The Power light is on, and one or more of the ink cartridge lights are on. The Configuration Page light blinks. (HP Officejet Pro K550dtwn) The Configuration Page light is required. The printer is in wireless communication mode. ▲ No action is on...
User's Guide
Page 70
Activity light blinks. Activity light is on . Link light is off when the printer is connected using a network cable. The printer is turned on and idle. ▲ No action is on . Light description/Light pattern Explanation and recommended action Link light is required. The printer is connected to the network but is required. 62 Chapter 5 Printer lights reference ENWW The printer is receiving or...
Activity light blinks. Activity light is on . Link light is off when the printer is connected using a network cable. The printer is turned on and idle. ▲ No action is on . Light description/Light pattern Explanation and recommended action Link light is required. The printer is connected to the network but is required. 62 Chapter 5 Printer lights reference ENWW The printer is receiving or...
User's Guide
Page 96
... started guide). 2. See also Problems setting up wireless communication using wireless communication. 88 Chapter 6 Configuring and managing the printer ENWW The Configuration Page light blinks. 4. Within 2 minutes, press and hold (Configuration Page button) on the printer, press (Resume button) once, and release (Configuration Page button). On the Connection Type screen, select the option to...
... started guide). 2. See also Problems setting up wireless communication using wireless communication. 88 Chapter 6 Configuring and managing the printer ENWW The Configuration Page light blinks. 4. Within 2 minutes, press and hold (Configuration Page button) on the printer, press (Resume button) once, and release (Configuration Page button). On the Connection Type screen, select the option to...