HP LaserJet 9040/9050 Service Manual - Page 175
Controller board,
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Controller board 1 Remove the following FRUs: • Center back cover. See page 153. • Left back cover. See page 153. 2 Unplug eleven connectors (callout 1). 21 Figure 110. Controller board (1 of 2) 3 Remove two screws (callout 2). 4 Release two holding pins (callout 3). 5 Remove the controller board from tray 4. 2 32 Figure 111. Controller board (2 of 2) Tray 4 159
Tray 4
159
Controller board
1
Remove the following FRUs:
•
Center back cover. See page 153.
•
Left back cover. See page 153.
2
Unplug eleven connectors (callout 1).
Figure 110.
Controller board (1 of 2)
3
Remove two screws (callout 2).
4
Release two holding pins (callout 3).
5
Remove the controller board from tray 4.
Figure 111.
Controller board (2 of 2)
2
1
2
2
3
2
2
3