Service manual

The Printhead Assembly
5-13
5The Printhead Assembly
This section describes how to remove and replace the printhead assembly.
Removing the Printhead Assembly
To remove the printhead:
Use an electrostatic wrist band or other approved method for protection against
electrostatic discharge when disconnecting and handling the printhead assembly.
1. Perform the procedures Removing the Battery and Removing the Keyboard Assembly.
2. Perform the procedure Removing the Printer Door Assembly.
3. Perform the procedure Opening and Removing the Top Cover Assembly.
4. Remove the foam block from the top cover.
5. Gently remove the printhead wires from the hooks on the printer drive assembly.
6. Center the tip of a thin-blade flat-tip screwdriver between the printhead cover and the
cardiograph case as in Figure 5-7. Slightly pry the screwdriver to the rear of the car-
diograph. The printhead cover will lift up.
Figure 5-7 Removing the Printhead Cover.
7. Remove the printhead cover.
CAUTION