HP 1050c Service Manual - Page 154

Print Quality Nozzle Print Test The nozzle print test is located on the Print Quality Test in the top section. In this test the 512 nozzles that each printhead uses to print with are tested. This is what you would see if there are nozzles not printing correctly: Missing Lines Misdirected Lines Partial Printing Missing Lines Unequal Spacing C6074282 1 In the top pattern of the Print Quality Test, there is a series of stepped diagonal lines. If one or more of the nozzles are malfunctioning or mis-positioned, you will see that the stepped lines are broken or misdirected in one or more places. 2 Below the top pattern on the Print Quality Test, there is a series of horizontal straight lines. If one or more nozzles are misdirected there will be unequal spaces between the corresponding lines. 6-6 HP DesignJets 1050C and 1055CM Printers Service Manual