2.3.3 PUNCH B702..................................................................................2-11
2.3.5 PUNCH B531..................................................................................2-11
2.3.7 LCT B473........................................................................................2-12
2.4.1 COPIER ..........................................................................................2-13
Fusing Unit..........................................................................................2-14
3.1 GENERAL CAUTIONS ..............................................................................3-1
3.1.1 DRUM ...............................................................................................3-1
3.1.2 PCU .................................................................................................3-1
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
3.2.1 ARDF ................................................................................................3-5
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
3.2.9 DRAWER UNIT...............................................................................3-20
3.2.10 DUPLEX UNIT ..............................................................................3-22
3.3 SCANNER UNIT......................................................................................3-25
3.3.3 EXPOSURE LAMP .........................................................................3-27
3.3.4 SCANNER MOTOR ........................................................................3-28
3.3.7 SCANNER WIRE ............................................................................3-31
3.4 LASER UNIT............................................................................................3-34
iv