Toshiba E-STUDIO2008A - Page 16

e-STUDIO2008A/2508A/3008A/3508A/4508A/5008A © 2015 TOSHIBA TEC CORPORATION All rights reserved
CONTENTS
4
4.7.2 Drum cleaner unit ............................................................................................4-88
4.7.3 Discharge LED.................................................................................................4-90
4.7.4 Main charger....................................................................................................4-91
4.7.5 Main charger grid ............................................................................................4-92
4.7.6 Main charger cleaner....................................................................................... 4-92
4.7.7 Needle electrode ............................................................................................4-93
4.7.8 Drum ...............................................................................................................4-94
4.7.9 Drum cleaning blade .......................................................................................4-95
4.7.10 Drum separation finger ..................................................................................4-96
4.7.11 Recovery blade ...............................................................................................4-97
4.7.12 Temperature/humidity sensor (S19) ................................................................4-98
4.7.13 Toner motor (M4).............................................................................................4-98
4.7.14 Process unit fan (M2).......................................................................................4-99
4.7.15 SYS/HDD cooling fan (M6) ............................................................................4-100
4.7.16 Switching regulator cooling fan (M7) .............................................................4-101
4.7.17 Main power switch (SW1) ..............................................................................4-101
4.8 Developer Unit ..............................................................................................................4-102
4.8.1 Developer unit................................................................................................4-102
4.8.2 Removing developer material........................................................................4-104
4.8.3 Filling developer unit with developer material................................................4-105
4.8.4 EPU memory board (EPU) ............................................................................4-105
4.8.5 Auto-toner sensor (S4) ..................................................................................4-106
4.8.6 Drum thermistor (THMS4) .............................................................................4-106
4.8.7 Guide roller / Developer sleeve .....................................................................4-107
4.8.8 Mixer..............................................................................................................4-111
4.8.9 Replacement of oil seal .................................................................................4-113
4.9 Transfer unit..................................................................................................................4-114
4.9.1 Transfer unit...................................................................................................4-114
4.9.2 TRU fan (M9).................................................................................................4-115
4.9.3 Transfer roller unit..........................................................................................4-116
4.9.4 Transfer roller ...............................................................................................4-116
4.9.5 Separation needle..........................................................................................4-118
4.9.6 Ozone filter ....................................................................................................4-119
4.10 Fuser Unit......................................................................................................................4-121
4.10.1 Fuser unit.......................................................................................................4-121
4.10.2 Front side cover.............................................................................................4-123
4.10.3 Rear side cover..............................................................................................4-123
4.10.4 Fuser roller cover...........................................................................................4-123
4.10.5 Paper entrance guide ....................................................................................4-124
4.10.6 Separation finger ...........................................................................................4-124
4.10.7 Exit sensor (S5) .............................................................................................4-126
4.10.8 Fuser center thermostat (THMO1)/fuser front thermostat (THMO2) .............4-127
4.10.9 Center thermistor (THMS1)/side thermistor (THMS2)/
edge thermistor (THMS3) ..............................................................................4-128
4.10.10 Center heater lamp (LAMP1)/side heater lamp (LAMP2)..............................4-131
4.10.11 Pressure roller ...............................................................................................4-134
4.10.12 Fuser roller.....................................................................................................4-135
4.11 Paper Exit and Reverse Sections .................................................................................4-138
4.11.1 Reverse unit <35ppm/45ppm/50ppm> ..........................................................4-138
4.11.2 Paper exit unit <35ppm/45ppm/50ppm>........................................................4-139
4.11.3 Paper exit unit <20ppm/25ppm/30ppm>........................................................4-140
4.11.4 Lower exit roller .............................................................................................4-140
4.11.5 Exit motor (M10) ............................................................................................4-142
4.11.6 Reverse motor (M13) <35ppm/45ppm/50ppm>.............................................4-144
4.11.7 Reverse gate solenoid (SOL1) <35ppm/45ppm/50ppm> ..............................4-145
4.11.8 Upper exit roller <35ppm/45ppm/50ppm> .....................................................4-146
4.11.9 Reverse roller <35ppm/45ppm/50ppm> ........................................................4-148