HP 1050c Service Manual - Page 166

Print Quality 5 Go to the printer submenu and press Enter. Ready Ink CYAN MAGENTA YELLOW BLACK Printer submenu UTILITIES Test Prints Print Quality 6 Go to Utilities/Test Prints/Print Quality and press Enter. 7 The printer will print a diagnostic test print. This will help you find the source of the banding problem. Please wait as the process of printing the Print Quality Test print takes a few minutes. Full menu mode only 8 Look in the top section of your Print Quality Test. Check to see if there are any of the following examples of defects in the print. Missing lines Misdirected lines Very obvious unequal spacing C607482 Missing lines 9 If there are any of the above defects visible in the test print, continue with step 9a. If there are no defects in the top part of the print test, go to directly to step 10. a Go to the printer submenu and press Enter. Ready Ink CYAN MAGENTA YELLOW BLACK Printer submenu UTILITIES Recover Printheads Full menu only b Go to the Utilities/Recover Printheads and press Enter c Select the printhead color that displayed the defects in the Print Quality Test. If you are not sure which printhead color is giving you the problem select all of the printheads. 6-18 HP DesignJets 1050C and 1055CM Printers Service Manual