HP 1050c Service Manual - Page 115
Printhead Check - printhead error
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Service Tests and Utilities WARNING 7. Printhead Check This Service Utility allows you to have the Printhead checking facility ON or OFF. ALWAYS HAVE PRINTHEAD CHECK ON. IF PRINTHEAD CHECK IS TURNED OFF, AUTOMATIC PRINTHEAD CLEANING PROCEDURES WILL NOT WORK PROPERLY, SHORTENING PRINTHEAD LIFE. ALSO BY TURNING OFF PRINTHEAD CHECK, PRINT QUALITY MAY BE LOWER BECAUSE THE PRINTER WILL NOT USE THE ERROR HIDING CAPABILITIES. Turn the Printhead Check ON or OFF as follows: 1 In the Service Utilities submenu, scroll to "7. Printhead Check" and press Enter. Service Utilities 4. Printer Model Type 5. Overdrive cleaning 6. EEROM utilities 7. Printhead check=On 8. Mon. mode baud sel Top Back ↑ Make Selection ↓ Enter Press Enter 2 When the following message appears on the front panel, you must select whether you would like to turn the Printhead Check ON or OFF. Press ENTER once you have made your selection and a little symbol will be displayed next to your selection. Printhead check On Off y Top Back Press Back to Exit ↑ Make Selection ↓ Enter Press Enter to make selection HP DesignJets 1050C and 1055CM Printers Service Manual 4-41