56 Disassembly and Repair Procedures Welch Allyn CP 100 and CP 200 Electrocardiograph
5. Disconnect the paper detector harness
from the back of the printhead assembly.
See Figure 43
6. Disconnect the ground connection using a
¼” nut driver. See Figure 43
7. Remove the 2 shoulder screws from the
opposite end of the printhead using a 3/16”
nut driver.
8. Remove the 2 screws holding the Que
sensor Assembly. See Figure 43.
9. Carefully remove the printhead connectors
from both ends of the printhead. Figure 42
on page 55.
Figure 43. Disconnecting Paper Detector Harness
and Ground Connections
Note
The printhead does not come with the Antistatic brushes. Order the Antistatic
brushes separately. See “Field Replaceable Parts” on page 69
Procedure
Ground Connection
Paper Detector Harness
Screws holding the Que
Sensor Assembly