Service manual

The Top Cover Assembly
5-8
5The Top Cover Assembly
This section describes how to remove and replace the top cover assembly. The top cover
assembly includes the upper chassis, the printer door, and the printer assembly.
Figure 5-4 Interior Details of Top Cover Removal
A. Chassis screw
B. Control board screw
C. Printer drive assembly
Opening and Removing the Top Cover Assembly
To open the top cover assembly:
1. Perform the procedures Removing the Battery and Removing the Keyboard Assembly.
2. Turn the cardiograph bottom-side up.
3. Using a Torx T-10 screwdriver, remove the five screws that secure the upper and
lower parts of the chassis.
4. Turn the chassis upright. This will cause the five screws to fall out of the chassis. Per-
form this step slowly to avoid losing the screws.
5. Using a Torx T-10 screwdriver, remove the chassis screw seen through the keyboard
opening. Refer to Figure 5-4.