2-70
Service Manual
4500
Cover interlock switch service check (E220/E321/E323)
Note:
Make sure a toner cartridge is installed and the cover closes
all the way, engaging the cover open switch lever.
FRU
Action
Cover interlock switch
Disconnect the cover interlock cable
from the controller card at J6.
Verify continuity between cable
pin 1 and pin 2 with the door closed.
Verify continuity between cable
pin 1 and pin 3 with the door open.
• If either fail continuity, replace the
cover interlock switch.
• If both pass continuity, turn the
printer on and 5 V dc on
pin 2 at J6 on the card.
• Verify pins1 and 3 are ground.
• If voltage or ground is not present,
see
“Controller card service
check (E220/E321/E323) ” on
page 2-67
for more information.
Verify discontinuity between pins 2
and 3 whether the door is open or
closed.
Replace the cover interlock switch if
faulty.
Summary of Contents for E32x
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 ...