Whenever you install a new print cartridge, you should align the print cartridges for the best possible print quality.
HP Officejet H470, H470b, H470wbt, and H470wf Mobile Printers - Aligning Print Cartridges
Complete the following steps to align the print cartridges.
Click Start, and highlight Programs. Select HP Officejet 470 Mobile Printer series, and then click the Toolbox icon.
Click the Printer Services tab, and then click Align Print Cartridges.
Follow the onscreen instructions to print an alignment page and complete the alignment procedure.
note:Alignment pages should be printed sparingly. Printing unnecessary alignment pages shortens the print cartridge life.