Printhead
Use this option to check the printhead for bad dots, view the printhead dot resistance and the
printhead temperature.
1.
From the Diagnostics menu, select Printer, Printhead, Dot Test.
To print, the number of bad dots must be less than 10. If you have more than 10 bad
dots, call Service.
2.
Press E to return to the Printhead menu.
Select Dot Resist.
3.
The acceptable range is between 455 Ohms and 495 Ohms.
If the resistance is not in this range, call Service.
4.
Press E to return to the Printhead menu.
5.
Select Temperature.
To print, the printhead temperature must be less than 60°C (140°F). The temperature is
displayed in Celsius.
6.
Press E until you return to the Printer menu.
Battery
Use this option to check the battery voltage.
From the Printer menu, select Battery.
1.
To print, the voltage must be greater than 12 volts.
2.
Press E to return to the Printer menu.
3-4 System Administrator's Guide