High-voltage power supply (HVPS)

1.Before proceeding, remove the following components:

●DIMM cover. See DIMM cover and DIMM on page 57.

●Formatter cover and formatter PCA. See Formatter cover and formatter PCA on page 60.

●Rear-door assembly. See Rear-door assembly on page 62.

●Left cover. See Left cover on page 66.

●Top-right cover. See Top-right cover on page 73.

●Control panel. See Control panel on page 74.

●Front-right and right-side cover assembly. See Front-right and right-side cover assembly on page 76.

●Lower-right cover. See Lower-right cover and bracket on page 80.

●Top cover. See Top cover on page 84.

●Power switch assembly. See Power-switch assembly on page 96.

TIP: Removing the power-switch assembly makes it easier to disconnect the connectors at the front of the ECU.

●Duplex models only: Duplex media-feed assembly. See Duplex media-feed assembly on page 104.

●Engine control unit (ECU). See Engine control unit (ECU) on page 110.

●Sub fan and duct. See Sub fan and fan duct on page 118.

2.Remove one screw (callout 3).

NOTE: In this figure the gear cover is shown removed for clarity. Do not remove the gear cover. The gears behind the cover are not captive and can easily be dislodged if the cover is removed.

Figure 2-116Remove the high-voltage power supply (1 of 11)

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Removal and replacement procedures 121