HP 1055CMHP - Manual (Page 115)

Service Tests and Utilities
4-41 HP DesignJets 1050C and 1055CM Printers Service Manual
7. Printhead Check
This Service Utility allows you to have the Printhead checking
facility ON or OFF.
WARNING 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.
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.
Top
Enter
Back
↑
↓
Press Enter
Service Utilities
4. Printer Model Type
5. Overdrive cleaning
8. Mon. mode baud sel
6. EEROM utilities
7. Printhead check=On
Make Selection
Top
Enter
Back
↑
↓
Printhead check
On
Off y
Press Enter
to make selection
Press Back to Exit
Make Selection