HP 5100LE manual Dc controller and power supply

Dc controller and power supply

This assembly contains two PCAs. One is the dc controller (including the high-voltage power supply), and the other is the low-voltage power supply.

1Remove the rear door (see page 113), the top cover (page 115), the left and right side covers (page 123), and the formatter assembly (page 139).

2Disconnect four cables that are on the right side of the chassis.

Note		For the two large connectors, use a flat-blade screwdriver to release the locks by pressing down
		on the tabs that are on top of the connectors. Be sure to pull the cables away from the chassis.
	The remaining connections are located on the left side of the chassis.
	3		Disconnect the 2-pin, the 3-pin, and the three large connectors. Be sure to pull the cables
			away from the chassis.
	4		Remove two machine screws (callout 1) from the top surface of the metal housing.
	5		Remove two self-tapping screws (callout 2) from the bottom of the dc controller assembly.
	6		Remove one machine screw (callout 3) and its lock washer, disconnecting the ground wire.
	7		Remove the grounding screw below the main gear assembly on the left side of the printer
			(see figure 63 on page 134, callout 3).

1

3 2

Figure 78.Dc controller assembly removal (1 of 3, rear view of printer)

Note You might have to readjust the top margin after you replace the dc controller (see page 132).

146 Removing and replacing parts Q1860-90918

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