HP 1050c Service Manual - Page 69

OK Ready/Replace HP No.80 Ink Supplies Troubleshooting Printhead Status Messages While Printing Detailed below are the printhead status messages that may be displayed while printing. The printhead is operating correctly and will provide an acceptable level of print quality. To find more information on the printheads, refer to page 3-9, Obtaining Printhead Information. The front panel displays Ready and the printhead status is REPLACE. The printer is giving an early warning that there may be a degradation of print quality. The Printer has detected more than 4 black nozzles or 7 color nozzles out in 5 out of every 8 servicing procedures. A new printhead should be bought. Depending on the print mode you are using (best, normal or draft) you may still be able to print with an acceptable print quality, there may be however, a slight loss in speed. Refer to the table below for more details. Ready Ready/Replace CYAN MAGENTA YELLOW BLACK Printhead Replace OK OK OK The printer can still operate with a printhead that needs replacing. The front panel will display: Printing. Printheads Limiting performance. CYAN MAGENTA YELLOW BLACK Printhead Replace OK OK OK HP DesignJets 1050C and 1055CM Printers Service Manual 3-13