Toshiba e-STUDIO 4500c, Service Manual

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2.3.2 2000/3000-SHEET BOOKLET FINISHER B700/B701....................2-11
2.3.3 PUNCH B702..................................................................................2-11
2.3.4 3000-SHEET FINISHER B706........................................................2-11
2.3.5 PUNCH B531..................................................................................2-11
2.3.6 COVER INTERPOSER TRAY B704 ...............................................2-12
2.3.7 LCT B473........................................................................................2-12
2.4 LUBRICATION POINTS ..........................................................................2-13
2.4.1 COPIER ..........................................................................................2-13
OPC, ITB Replacement.......................................................................2-13
Fusing Unit..........................................................................................2-14
3. REPLACEMENT AND ADJUSTMENT ........................................3-1
3.1 GENERAL CAUTIONS ..............................................................................3-1
3.1.1 DRUM ...............................................................................................3-1
3.1.2 PCU .................................................................................................3-1
3.1.3 TRANSFER BELT UNIT ...................................................................3-2
3.1.4 SCANNER UNIT ...............................................................................3-2
3.1.5 LASER UNIT.....................................................................................3-2
3.1.6 DEVELOPMENT...............................................................................3-3
3.1.7 CLEANING .......................................................................................3-4
3.1.8 FUSING UNIT ...................................................................................3-4
3.1.9 PAPER FEED ...................................................................................3-4
3.1.10 USED TONER (WASTE TONER)...................................................3-4
3.2 COMMON REMOVAL PROCEDURES .....................................................3-5
3.2.1 ARDF ................................................................................................3-5
3.2.2 OPERATION PANEL, TOP COVERS...............................................3-6
3.2.3 LEFT COVERS .................................................................................3-7
3.2.4 FRONT DOOR..................................................................................3-8
3.2.5 RIGHT COVERS...............................................................................3-9
3.2.6 REAR COVERS..............................................................................3-10
3.2.7 TONER HOPPER, FACEPLATE, PCU...........................................3-11
Removing Toner Hopper, Face plate, PCU.........................................3-11
Reinstalling PCU, Face plate, Toner Hopper ......................................3-15
3.2.8 IMAGE TRANSFER UNIT...............................................................3-18
3.2.9 DRAWER UNIT...............................................................................3-20
3.2.10 DUPLEX UNIT ..............................................................................3-22
3.2.11 OPENING AND LOCKING THE CONTROLLER BOX COVER ....3-23
3.2.12 SD CARD STORAGE ...................................................................3-24
3.3 SCANNER UNIT......................................................................................3-25
3.3.1 EXPOSURE GLASS .......................................................................3-25
3.3.2 LENS BLOCK, PAPER SIZE SENSORS........................................3-26
3.3.3 EXPOSURE LAMP .........................................................................3-27
3.3.4 SCANNER MOTOR ........................................................................3-28
3.3.5 SCANNER HP SENSOR ................................................................3-29
3.3.6 SCANNER INTERFACE BOARD (SIOB) .......................................3-30
3.3.7 SCANNER WIRE ............................................................................3-31
Scanner Wire Removal .......................................................................3-31
Scanner Wire Reinstallation and Scanner Position Adjustment ..........3-32
3.4 LASER UNIT............................................................................................3-34