2-72
Service Manual
4500
Engine board service check (E320/E322)
FRU
Action
Engine board
24 V dc from the LVPS
board to the engine board.
1. Turn off printer.
2. Disconnect the fuser lamp cable
plug from the LVPS board. See
“Connector locations ” on
page 5-1
for more information.
3. Disconnect the LVPS/engine
board jumper cable from the
engine board. See
for more
information.
4. Turn printer on.
• If voltage is correct, ensure
J12–power supply unit (PSU) is
properly seated in the J12–PSU
connector on the engine board.
• Check for +24 V dc on the cable.
• If voltages are not present or
incorrect, see the
power supply (LVPS) service
check ” on page 2-76
for more
information.
Note:
With all cables connected, the
printer should complete
POST within approximately
12–15 seconds in the
following sequence:
Summary of Contents for 4500-00 Series
Page 14: ...xiv Service Manual 4500 Japanese laser notice Chinese laser notice...
Page 15: ...Laser notices xv 4500 Korean laser notice...
Page 16: ...xvi Service Manual 4500...
Page 21: ...Safety information xxi 4500...
Page 30: ...1 8 Service Manual 4500...
Page 174: ...3 38 Service Manual 4500 E220 E321 E323 Printer settings configuration...
Page 175: ...Diagnostic aids 3 39 4500 E220 E321 E323 Printer diagnostics...
Page 178: ...3 42 Service Manual 4500 E220 E321 E323...
Page 192: ...4 14 Service Manual 4500...
Page 204: ...5 12 Service Manual 4500 E220 E321 E323 wiring diagram...
Page 206: ...6 2 Service Manual 4500...
Page 208: ...7 2 Service Manual 4500 Assembly 1 Covers E320 E322...
Page 210: ...7 4 Service Manual 4500 Assembly 1 cont Covers E220 E321 E323...
Page 212: ...7 6 Service Manual 4500 Assembly 1 cont Covers E220 E321 E323...
Page 214: ...7 8 Service Manual 4500 Assembly 2 Frame 11 7 5 9 2 10 6 8 14 1 3 4 13 12...
Page 216: ...7 10 Service Manual 4500 Assembly 3 Fuser 7 12 10 1 2 3 4 6 8 9 5 11 11 8 7 5 6 6 5...
Page 218: ...7 12 Service Manual 4500 Assembly 4 Main drive...
Page 220: ...7 14 Service Manual 4500 Assembly 5 Paper feed 3 11 7 13 5 16 9 15 2 10 6 4 12 8 14 1 8 11 17...
Page 222: ...7 16 Service Manual 4500 Assembly 6 Printhead 8 5 2 1 3 6 4 7...
Page 224: ...7 18 Service Manual 4500 Assembly 7 Electronics 8 5 2 6 4 1 3 7...
Page 226: ...7 20 Service Manual 4500 Assembly 7 cont 8 5 2 6 4 1 3 7...
Page 228: ...7 22 Service Manual 4500 Assembly 8 Options 3 5 1 4 6 2...
Page 230: ...7 24 Service Manual 4500 Assembly 8 cont Options 3 5 1 4 6 2...
Page 234: ...7 28 Service Manual 4500...
Page 240: ...I 12 Service Manual 4500...