3.Remove two screws (callout 4). Depress the tray 2 right-side guide lock (callout 5) and slide the guide (callout 6) toward the back of the chassis to release it. Remove the guide. Rotate the power-switch connector bar (callout 7) away from the printer.

7

4

6

5

Figure 140. Power supply (2 of 5)

4.Remove five screws (callout 8). Unplug the left-side fan and thermistor sensor connectors on the power-supply PCA (callout 9; behind the cover plate).

9

8

8

Figure 141. Power supply (left side; 3 of 5)

Q2431-90912

Chapter 6 Removing and replacing parts 189

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HP Pro 4300 C9H70UT C9H70UT#ABA manual Power supply 2