Controller Board; Removing The Controller Board - HP Designjet 3D Service Manual

Controller Board

Required Tools
5
• ⁄ " nut driver or standard screwdriver.
16
• Phillips screwdriver
Hardware
1
• 6-32 x ⁄ " Phillips pan head screws (x6)
4

Removing the controller board

1. Open the electronics bay. See
page 171
2. Touch the metal plate of the electronics bay cover to discharge any static
electricity.
3. Remove the 3 ribbon cables by pressing the tabs outward and gently
pulling the ribbon cables out of the sockets. See
Figure 88: Controller board ribbon cable locations
Remove the 3 ribbon
cables
4. Using a standard screwdriver, loosen the 2 screws that hold the diagnos-
tics DB-9 cable in place. Then gently pull the cable out of the connector.
See Figure 89.
"Opening the electronics bay" on
Figure 88.
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