4-28
Service Manual
4048–00x
Right Guide Removal
1. Remove the toner cartridge.
2. Remove the top cover. See
“To completely remove the top
cover:” on page 4-11
for more information.
3. Remove the HVPS. See
“HVPS Card Removal” on page 4-56
for more information.
4. Remove the charge roll. See
“Charge Roll Removal” on
page 4-27
for more information.
5. Remove two screws in the right guide (above and behind the
HVPS).
6. Unsnap the three latches of the right guide.
7. Remove the right guide.
Left Guide Removal
1. Remove the toner cartridge.
2. Remove the top cover. See
“To completely remove the top
cover:” on page 4-11
for more information.
3. Remove the RIP card cage. See
“RIP Card Cage (with card in
place) Removal” on page 4-40
for more information.
4. Remove the charge roll. See
“Charge Roll Removal” on
page 4-27
for more information.
Summary of Contents for T420
Page 6: ...vi Service Manual 4048 00x ...
Page 14: ...xiv Service Manual 4048 00x Japanese Laser Notice Chinese Laser Notice ...
Page 15: ...Laser Notices xv 4048 00x Korean Laser Notice ...
Page 16: ...xvi Service Manual 4048 00x ...
Page 21: ...Safety Information xxi 4048 00x ...
Page 83: ...Diagnostic Information 2 47 4048 00x ...
Page 102: ...3 4 Service Manual 4048 00x Printer Settings Configuration ...
Page 103: ...Diagnostic Aids 3 5 4048 00x Printer Diagnostics ...
Page 110: ...4 4 Service Manual 4048 00x P N 56P0633 P N 56P0637 ...
Page 115: ...Repair Information 4 9 4048 00x 5 Remove the duct assembly in the top cover ...
Page 151: ...Repair Information 4 45 4048 00x ...
Page 166: ...5 2 Service Manual 4048 00x Cables 3 7 13 5 16 9 15 2 10 6 4 8 1 11 14 12 11 5 ...
Page 168: ...5 4 Service Manual 4048 00x Cables continued 1 2 3 4 5 6 7 8 9 10 11 ...
Page 170: ...5 6 Service Manual 4048 00x Sensors 6 1 2 7 3 4 5 8 ...
Page 178: ...6 2 Service Manual 4048 00x ...
Page 180: ...7 2 Service Manual 4048 00x Assembly 1 Covers 2 9 1 3 4 5 10 8 6 7 ...
Page 182: ...7 4 Service Manual 4048 00x Assembly 2 Multipurpose Feeder MPF 1 3 4 5 2 ...
Page 184: ...7 6 Service Manual 4048 00x Assembly 3 Charging 4 5 3 2 1 6 2 3 7 ...
Page 186: ...7 8 Service Manual 4048 00x Assembly 4 Electronics and Cables 1 2 3 4 5 6 7 8 9 10 11 ...
Page 192: ...7 14 Service Manual 4048 00x Assembly 5 Paper Feed 1 2 5 6 7 8 3 4 14 15 17 10 9 11 12 13 16 ...
Page 194: ...7 16 Service Manual 4048 00x Assembly 6 Frame 1 2 3 9 8 6 5 4 4 7 10 11 12 4 4 8 ...
Page 196: ...7 18 Service Manual 4048 00x Assembly 7 Fuser 1 2 3 4 ...
Page 198: ...7 20 Service Manual 4048 00x Assembly 8 Sensors 6 1 2 7 3 4 5 8 ...
Page 200: ...7 22 Service Manual 4048 00x Assembly 9 Options 1 2 3 4 ...