Toshiba e-STUDIO2330C Service Manual page 12

12.6.12 Needle electrode cleaner detection sensor (S21).......................................... 12-22
12.6.13 Drum drive unit .............................................................................................. 12-23
12.6.14 Drum motor (M10) ......................................................................................... 12-24
12.6.15 Drum switching motor (M11).......................................................................... 12-25
12.6.16 Drum switching detection sensor (S19) ......................................................... 12-26
12.6.17 K drum phase sensor (S44)........................................................................... 12-28
12.6.18 Color drum phase sensor (S43)..................................................................... 12-28
12.7 Adjustment of the Process unit Related Section ........................................................... 12-29
12.7.1 High-Voltage Transformer Setting ................................................................. 12-29
13. DEVELOPER UNIT ..................................................................................................... 13-1
13.1 General Description ........................................................................................................ 13-1
13.2 Composition .................................................................................................................... 13-2
13.3 Functions......................................................................................................................... 13-3
13.4 Electrical Circuit Description ........................................................................................... 13-5
13.4.1 Temperature/humidity detection circuit............................................................ 13-5
13.4.2 Toner motor control circuit ............................................................................... 13-6
13.4.3 Waste toner transport motor control circuit ...................................................... 13-7
13.4.4 Waste toner paddle motor control circuit ......................................................... 13-8
13.4.5 Auto-toner Circuit............................................................................................. 13-9
13.5 Disassembly and Replacement..................................................................................... 13-12
13.5.1 Waste toner box............................................................................................. 13-12
13.5.2 Developer filter .............................................................................................. 13-12
13.5.3 Developer material ........................................................................................ 13-13
13.5.4 Doctor blade .................................................................................................. 13-17
13.5.5 Auto-toner sensor (S22, S23, S24, S25) ....................................................... 13-19
13.5.6 Developer sleeve ........................................................................................... 13-20
13.5.7 Mixer .............................................................................................................. 13-22
13.5.8 Waste toner transport motor (M31)................................................................ 13-24
13.5.9 Temperature / humidity sensor (S12) ............................................................ 13-25
13.5.10 Waste toner box full detection sensor (S13) .................................................. 13-25
13.5.11 Waste toner paddle motor lock detection sensor (S14) ................................. 13-25
13.5.12 Waste toner paddle motor (M6) ..................................................................... 13-27
13.5.13 Waste toner transport unit ............................................................................. 13-28
13.5.14 Waste toner cover open/close detection switch (SW8) ................................. 13-28
13.5.15 Auger lock detection sensor (S42)................................................................. 13-28
13.5.16 Developer unit motor (M9) ............................................................................. 13-29
13.5.17 Developer drive unit....................................................................................... 13-29
13.5.18 Toner motor assembly ................................................................................... 13-31
13.5.19 Toner motor (M2, M3, M4, M5) ...................................................................... 13-32
13.5.20 Toner cartridge detection sensor (S8, S9, S10, S11) .................................... 13-33
13.5.21 Ozone filter-1 ................................................................................................ 13-33
13.5.22 EPU cooling fan (M33)................................................................................... 13-34
13.5.23 Ozone exhaust duct....................................................................................... 13-34
13.5.24 Ozone exhaust fan (M24) .............................................................................. 13-35
13.5.25 Internal cooling fan (M23) .............................................................................. 13-35
13.5.26 Ozone filter-2 ................................................................................................ 13-36
13.6 Adjustment of the developer unit................................................................................... 13-37
13.6.1 Adjustment of the Auto-Toner Sensor ........................................................... 13-37
13.6.2 Adjustment of the doctor-to-sleeve gap ......................................................... 13-38
14. TRANSFER UNIT........................................................................................................ 14-1
14.1 General Descriptions....................................................................................................... 14-1
14.2 Composition .................................................................................................................... 14-2
14.3 Functions......................................................................................................................... 14-3
14.4 General description of operation ..................................................................................... 14-5
14.4.1 Printing in the color modes .............................................................................. 14-5
14.4.2 Printing in the black mode ............................................................................... 14-6
14.4.3 Color registration control.................................................................................. 14-7
CONTENTS
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