Table Of Contents - Toshiba e-STUDIO 2555C Service Manual

4.7.12 1st transfer roller status detection sensor (S12) ............................................ 4-139
4.7.13 Drum/Tbu Motor (M6) ................................................................................... 4-140
4.7.14 Drum And Tbu Drive Unit ............................................................................... 4-141
4.8 Image Quality Control ................................................................................................... 4-145
4.8.1 Image Quality Control Unit............................................................................... 4-145
4.8.2 Image Position Aligning Sensor (Front) (S7)................................................... 4-146
4.8.3 Image position aligning sensor (Rear)/Image quality sensor (S8) ................. 4-146
4.8.4 Registration pass sensor (S6) ....................................................................... 4-146
4.9 Fuser Unit...................................................................................................................... 4-147
4.9.1 Fuser Unit....................................................................................................... 4-147
4.9.2 Front Side Cover ............................................................................................. 4-149
4.9.3 Rear Side cover.............................................................................................. 4-149
4.9.4 Separation finger ........................................................................................... 4-149
4.9.5 Separation Guide............................................................................................ 4-151
4.9.6 Exit sensor (S13) ........................................................................................... 4-151
4.9.7 Paper Exit Guide ............................................................................................. 4-152
4.9.8 Fuser Belt....................................................................................................... 4-153
4.9.9 Fuser Belt Lubricating Sheet / Fuser Belt Pad.................................................. 4-159
4.9.10 Fuser belt unit center thermistor (THM1) / edge thermistor (THM2) /
side thermistor (THM5) / thermostat (THMO1) .............................................. 4-163
4.9.11 Pressure Roller ............................................................................................... 4-164
4.9.12 Ih-Coil.......................................................................................................... 4-167
4.9.13 Fuser Belt Rotation Detection Sensor (S27)..................................................... 4-171
4.9.14 Pressure Roller Contact/Release Detection Sensor 1 (S28) .............................. 4-172
4.9.15 Pressure roller contact/release detection sensor 2 (S29) .............................. 4-172
4.9.16 Fuser Motor (M4) ........................................................................................... 4-173
4.9.17 Fuser drive unit .............................................................................................. 4-173
4.9.18 Pressure Roller Contact/Release Motor (M13) ................................................. 4-176
4.9.19 Ih Board Cooling Fan (F6) ............................................................................... 4-178
4.10 Paper Exit and Reverse Sections ................................................................................. 4-181
4.10.1 Reverse Unit................................................................................................... 4-181
4.10.2 Paper Exit Unit................................................................................................ 4-183
4.10.3 Lower Paper Exit Roller ................................................................................... 4-184
4.10.4 Reverse Motor (M5)....................................................................................... 4-185
4.10.5 Reverse Gate Solenoid (Sol2) ...................................................................... 4-186
4.10.6 Upper Paper Exit Roller ................................................................................... 4-187
4.10.7 Reverse Roller ................................................................................................ 4-189
4.10.8 Exit section cooling fan (F7) .......................................................................... 4-189
4.11 Automatic Duplexing Unit (ADU)................................................................................... 4-191
4.11.1 Automatic Duplexing Unit (Adu)..................................................................... 4-191
4.11.2 Bypass Feed Clutch (Clt3) ............................................................................ 4-193
4.11.3 Transport Unit................................................................................................. 4-194
4.11.4 Adu Guide Assembly ..................................................................................... 4-196
4.11.5 Adu Middle Cover.......................................................................................... 4-197
4.11.6 Adu Control Pc Board (Adu Board) (Adu) ................................................... 4-199
4.11.7 Adu Motor (M12)........................................................................................... 4-200
4.11.8 Adu Entrance Sensor (S14)........................................................................... 4-201
4.11.9 ADU exit sensor (S15) ................................................................................... 4-201
4.11.10 Transport roller (Upper and lower)................................................................. 4-202
4.11.11 Reverse sensor (S26).................................................................................... 4-203
4.11.12 Side cover interlock switch (SW3) ................................................................. 4-203
4.11.13 Fuser section cooling fan 1 (F4) .................................................................... 4-204
4.11.14 Fuser section cooling fan 2 (F9) .................................................................... 4-204
4.12 Removal and Installation of Options ............................................................................. 4-206
4.12.1 Mr-3025 (Reversing Automatic Document Feeder)...................................... 4-206
4.12.2 Kd-1032 (Paper Feed Pedestal) ................................................................... 4-208
4.12.3 Kd-1031 (Large Capacity Feeder)................................................................. 4-212
4.12.4 Kn-2550 (Bridge Kit)...................................................................................... 4-217
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