You can print a clean test page from the printer's print toolbox. HP Deskjet 710, 720 inkjet printers do not have an internal cleaning test. Press and hold the power button while pressing the "Feed (Restore)" button 4 times, then the button. Advanced: Press and hold the power button while pressing the "Feed (Restore)" button 12 times, then release all the buttons at the same time.Ģ. General: Press and hold the power button while pressing the "Feed (Restore)" button 5 times, then release all the buttons. Diagnostic tests are available in two ways and can be operated as needed. Press and hold the Feed (Resume) button for 5 seconds.Ģ. Press the "Font and reset" button or the "Load eject" button. While holding down the "Replace cartridge" button on the left, press the "Power" button to release the "Replace Cartridge" button when the printer is turned on. While holding down the "feed" button, press the "Power" button to release the "feed" button when the printer is turned on.Ģ. Press the printer "power" button to turn off the printer power Ģ. When to use: During the printing process, there are some problems such as color deviation and ink shortage.ġ. Role: Mainly used to detect whether the printer ink cartridges are missing ink, the basic color is color and whether the nozzle is blocked and so on. When to use: The printer light is solid but does not perform the print task, does not print after replacing the cartridge, the printer sounds abnormal, and so on. This operation does not detect the connection status of the port and the printer to the computer.
The Printer Offline test page (offline self-check page) refers to a test page that the printer prints out without connecting to the computer.įunction: Mainly used to detect whether the internal hardware mechanism of the printer is working properly. The role of the Printer offline test page and the ink Cartridge cleaning test page
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