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Disassembly
Service Manual for the Accutherm Ultra Printer 7-9
Remove the Main Controller PCB Assembly
from the Printer Mechanism Assembly
REMEMBER TO USE ESD PRECAUTIONS
To remove the Main Controller PCB Assembly from the Printer Mechanism
Assembly:
1. Unplug all connector Harness Assemblies from the Main Controller PCB. See
callouts #5 and #6 in Figure 7-6 on page 7-6.
2. Make sure that the Power Supply cable is unplugged. See Figure 7-7 on
page 7.
3. Unplug the Thermal Print-head Ribbon Cable from the Main Controller PCB.
See callout #2 in Figure 7-9 on page 7-10.
When reassembling the Thermal Print-head Cable make certain that
the full length of the connector is seated firmly and centered in the
mating connector on the Controller PCB and Thermal Print Head.
Otherwise, you could cause the print head to burn out.
4. Unscrew the four (4) M3 screws (callout #3 in Figure 7-6 on page 7-6)
holding the Shield-PCB and the Main Controller PCB Assembly to the Printer
Mechanism Assembly.