Repair information
4-37
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. Be careful not to dislodge the cable from the HVPS.
Loosely replace screw (C), replace and tighten screw (B), and then tighten screw (C).
CAUTION
After disconnecting the high-voltage power cable from the controller board, always check that
the HVPS connection was not loosened. Make this check anytime you are working near the
HVPS cable.
Summary of Contents for C 540n
Page 8: ...viii Service Manual 5025 2xx 4xx...
Page 13: ...Notices and safety information xiii 10 2 2009 5025 2xx 4xx...
Page 14: ...xiv Service Manual 5025 2xx 4xx 10 2 2009...
Page 142: ...3 52 Service Manual 5025 2xx 4xx...
Page 224: ...4 82 Service Manual 5025 2xx 4xx...
Page 225: ...Connector locations 5 1 5025 2xx 4xx 5 Connector locations Locations...
Page 227: ...Connector locations 5 3 5025 2xx 4xx Connectors...
Page 236: ...5 12 Service Manual 5025 2xx 4xx High voltage power supply HVPS diagram...
Page 237: ...Connector locations 5 13 5025 2xx 4xx Low voltage power supply LVPS diagram...
Page 238: ...5 14 Service Manual 5025 2xx 4xx Toner meter cycle TMC card Wireless network card...
Page 240: ...6 2 Service Manual 5025 2xx 4xx...
Page 242: ...7 2 Service Manual 5025 2xx 4xx Assembly 1 Covers 4 3 1 10 6 5 8 7 2 9...
Page 244: ...7 4 Service Manual 5025 2xx 4xx Assembly 2 Frames 5 2 4 7 6 1 3 8 9 3 10...
Page 246: ...7 6 Service Manual 5025 2xx 4xx Assembly 3 Electronics 2 4 6A 5 1 6B 7 8 6C 3 9...
Page 248: ...7 8 Service Manual 5025 2xx 4xx Assembly 4 Cables...
Page 250: ...7 10 Service Manual 5025 2xx 4xx Assembly 5 Media drawers and trays 1 3 2 4 2...
Page 258: ...I 6 Service Manual 5025 2xx 4xx...
Page 262: ......