Toshiba E-STUDIO2006 - Page 17

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CONTENTS
3
4.4 Laser Optical Unit............................................................................................................ 4-28
4.4.1 Laser optical unit.............................................................................................. 4-28
4.5 Drive System................................................................................................................... 4-30
4.5.1 Main motor (M3) .............................................................................................. 4-30
4.5.2 Toner motor (M2)............................................................................................. 4-30
4.5.3 Paper eject unit................................................................................................ 4-31
4.5.4 Upper drive unit ............................................................................................... 4-31
4.5.5 Lower drive unit ............................................................................................... 4-32
4.6 Paper Feeding System.................................................................................................... 4-33
4.6.1 Bypass unit ...................................................................................................... 4-33
4.6.2 Bypass feed clutch (CLT3) .............................................................................. 4-34
4.6.3 Duct unit........................................................................................................... 4-35
4.6.4 Lower bypass feed guide................................................................................. 4-36
4.6.5 Bypass feed roller <20L/23L/25L/20H/23H/25H> ............................................ 4-36
4.6.6 Bypass feed roller <23LA/23LM/28LM/23HA/28HA> ...................................... 4-37
4.6.7 Bypass separation pad <20L/23L/25L/20H/23H/25H> .................................... 4-39
4.6.8 Bypass paper sensor (S6) ............................................................................... 4-39
4.6.9 Drawer feed roller <20L/23L/25L/20H/23H/25H> .......................................... 4-40
4.6.10 Drawer feed roller <23LA/23LM/28LM/23HA/28HA> ..................................... 4-41
4.6.11 Drawer separation pad ................................................................................... 4-42
4.6.12 Drawer feed clutch (CLT2)............................................................................... 4-42
4.6.13 Registration roller clutch (CLT1) ...................................................................... 4-43
4.6.14 Registration roller (metal) ................................................................................ 4-44
4.6.15 Registration roller (rubber)............................................................................... 4-45
4.6.16 Registration sensor (S2) .................................................................................. 4-46
4.6.17 Paper empty sensor (S5) ................................................................................. 4-47
4.7 Process Related Section................................................................................................. 4-49
4.7.1 Process unit <20L/23L/25L/20H/23H/25H> ..................................................... 4-49
4.7.2 Process unit <23LA/23LM/28LM/23HA/28HA> ............................................... 4-50
4.7.3 Drum cleaner unit ............................................................................................ 4-51
4.7.4 Drum ............................................................................................................... 4-52
4.7.5 Drum cleaning blade ....................................................................................... 4-52
4.7.6 Recovery Blade ............................................................................................... 4-53
4.7.7 Drum separation finger .................................................................................... 4-53
4.7.8 Main charger.................................................................................................... 4-54
4.7.9 Main charger grid ............................................................................................ 4-54
4.7.10 Main charger cleaner ....................................................................................... 4-55
4.7.11 Needle electrode.............................................................................................. 4-55
4.7.12 Transfer roller ................................................................................................. 4-55
4.7.13 Separation needle............................................................................................ 4-56
4.7.14 Ozone filter ...................................................................................................... 4-56
4.7.15 Suction fun (M5) .............................................................................................. 4-57
4.7.16 Temperature/humidity sensor (S1) <20L/23L/25L/20H/23H/25H> .................. 4-57
4.7.17 Temperature/humidity sensor (S1) <23LA/23LM/28LM/23HA/28HA>............. 4-57
4.7.18 Developer unit.................................................................................................. 4-59
4.7.19 Removing developer material .......................................................................... 4-59
4.7.20 Filling developer unit with developer material ................................................. 4-61
4.7.21 Auto-toner sensor (S4) .................................................................................... 4-61
4.7.22 Doctor blade <20L/23L/25L/20H/23H/25H> .................................................... 4-61
4.7.23 Doctor blade <23LA/23LM/28LM/23HA/28HA> ............................................... 4-62
4.7.24 Mixer <20L/23L/25L/20H/23H/25H> ................................................................ 4-62
4.7.25 Mixer <23LA/23LM/28LM/23HA/28HA> .......................................................... 4-64
4.7.26 Replacement of oil seal <20L/23L/25L/20H/23H/25H> ................................... 4-66
4.7.27 Oil seal (front side) <23LA/23LM/28LM/23HA/28HA> ..................................... 4-66
4.7.28 Developer sleeve <20L/23L/25L/20H/23H/25H> ............................................. 4-68
4.7.29 Developer sleeve <23LA/23LM/28LM/23HA/28HA> ....................................... 4-70
4.7.30 Toner cartridge interface PC board (CTIF) ...................................................... 4-73
4.8 Fuser/Exit Unit <20L/23L/25L/20H/23H/25H>................................................................. 4-74