Toshiba e-STUDIO 5540C Service Manual page 21

4.6.10 Discharge LED (ERS-K/ERS-C/ERS-M/ERS-Y) ........................................... 4-100
4.6.11 Sub-hopper ................................................................................................... 4-100
4.6.12 Sub-hopper toner sensor (
4.6.13 EPU cover ..................................................................................................... 4-101
4.6.14 Sub-hopper toner motor (K/C/M/Y) (M19/M20/M21/M22) ............................. 4-102
4.6.15 EPU PC board .............................................................................................. 4-103
4.6.16 Drum surface potential sensors control PC board (V0S board)
(e-STUDIO6550C/6570C only) ...................................................................... 4-104
4.6.17 Auger lock detection sensor (S42) ................................................................ 4-104
4.6.18 Main charger ozone exhaust fan-K/-C/-M/-Y (F17/F1/F19/F20) ................... 4-105
4.6.19 Needle electrode cleaner detection sensor-K/C/M/Y (S30/S31/S32/S33) .... 4-106
4.6.20 Needle electrode cleaner motor-K/-C/-M/-Y (M23/M24/M25/M26) ................ 4-106
4.6.21 V0 sensor shutter solenoid (K) (SOL) (e-STUDIO6550C/6570C only) .......... 4-107
4.6.22 Drum surface potential sensor (K) (S34) (e-STUDIO6550C/6570C only) ..... 4-109
4.6.23 Drum thermistor (K/Y) (THM1/THM2) ........................................................... 4-110
4.6.24 Developer unit................................................................................................ 4-110
4.6.25 Developer material......................................................................................... 4-112
4.6.26 Developer sleeve ........................................................................................... 4-114
4.6.27 Doctor blade .................................................................................................. 4-116
4.6.28 Auto-toner sensor-K/C/M/Y (S26/S27/S28/S29)............................................ 4-116
4.6.29 Drum drive unit .............................................................................................. 4-117
4.6.30 Drum motor-K (M27) ...................................................................................... 4-118
4.6.31 Drum motor-YMC (M28) ................................................................................ 4-118
4.6.32 K drum phase sensor (S44)........................................................................... 4-119
4.6.33 Color drum phase sensor (S43)..................................................................... 4-120
4.6.34 Developer unit motor-K/YMC (M29)/(M31) .................................................... 4-121
4.6.35 Developer unit mixer motor-K/YMC (M30)/(M32) .......................................... 4-121
4.6.36 Developer drive unit....................................................................................... 4-121
4.6.37 Waste toner box............................................................................................. 4-122
4.6.38 Waste toner amount detection sensor (S13) ................................................. 4-123
4.6.39 Waste toner box full detection sensor (S14) .................................................. 4-124
4.6.40 Waste toner box detection sensor (S16) ....................................................... 4-125
4.6.41 Ozone filter-1 ................................................................................................ 4-125
4.6.42 Ozone filter-2 ................................................................................................ 4-126
4.6.43 Toner filter ..................................................................................................... 4-126
4.6.44 Toner motor (K/C/M/Y) (M15/M16/M17/M18) ................................................ 4-128
4.6.45 Toner cartridge paddle rotation detection sensor-K/C/M/Y (S8/S9/S10/S11) 4-130
4.6.46 Waste toner transport motor (M33)................................................................ 4-130
4.6.47 Waste toner transport unit ............................................................................. 4-131
4.6.48 Ozone suctioning fan (F24) ........................................................................... 4-132
4.6.49 Toner cartridge heat insulation fan (F21) ...................................................... 4-133
4.6.50 Toner cooling exhaust fan (F31).................................................................... 4-134
4.6.51 Temperature/humidity sensor (S12) .............................................................. 4-135
4.6.52 Toner motor interlock switch (SW3)............................................................... 4-135
4.6.53 EPU cooling fan (F14) ................................................................................... 4-137
4.6.54 Scattered toner suctioning fan (F25) ............................................................. 4-137
4.7 Transfer Unit ................................................................................................................. 4-139
4.7.1 Pulling out the transfer belt unit ..................................................................... 4-139
4.7.2 2nd transfer facing roller cleaning pad .......................................................... 4-141
4.7.3 Transfer belt cleaning unit ............................................................................. 4-141
4.7.4 Transfer belt cleaning blade ......................................................................... 4-143
4.7.5 Transfer belt cleaner side seal ...................................................................... 4-143
4.7.6 Transfer belt unit (TBU) ................................................................................. 4-144
4.7.7 Transfer belt................................................................................................... 4-146
4.7.8 Transfer belt cam motor (M14) ...................................................................... 4-148
4.7.9 Transfer belt contact/release detection sensor (S46) ................................... 4-148
4.7.10 1st transfer roller (Y/M/C/K) ........................................................................... 4-149
4.7.11 Cleanable facing roller ................................................................................... 4-149
© 2011 - 2015 TOSHIBA TEC CORPORATION All rights reserved
S38/S39/S40/S41
) ............................................. 4-101
e-STUDIO5540C/6540C/6550C/5560C/6560C/6570C
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