4-32 Service Manual
5025-2xx, 4xx
5. Remove the screw (B).
The screw is accessible from the top of the printer, and requires a long-shank, magnetized Phillips
screwdriver. It is the only screw without a flanged head, and is about 8 inches below the top of the printer.
6. Remove the screw (C) securing the HVPS.
7. Carefully slide the HVPS out.
Installation notes:
Warning: Connect the high-voltage power supply (HVPS) cable to the high-voltage power supply before
sliding the board into the printer. Pull the HVPS cable through the access hole and plug into the
controller board.
Loosely replace screw (C), replace (tighten) screw (B), and tighten screw (C).
CAUTION
After disconnecting the high-voltage power cable from the controller board, always check that
the HVPS connector was not loosened. Make this check anytime you are working near the
HVPS cable.
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