5.4.1 CCD board (CCDB) ..................................................................................................................................................... G-39

5.4.2 Tray 1 CD paper size board (CDPSB/1), tray 2 CD paper size board (CDPSB/2)...................................................... G-40

5.4.3 DC power supply (DCPU)............................................................................................................................................ G-41

5.4.4 EEPROM/1, EEPROM/2 ............................................................................................................................................. G-42

5.4.5 eMMC board (eMMC) .................................................................................................................................................. G-44

5.4.6 Tray 1 FD paper size board (FDPSB/1), tray 2 FD paper size board (FDPSB/2) ....................................................... G-44

5.4.7 Front side board (FRB)................................................................................................................................................ G-45

5.4.8 High voltage unit (HV) ................................................................................................................................................. G-45

5.4.9 Machine condition monitor board (MCMB) .................................................................................................................. G-46

5.4.10 MFP board (MFPB) ....................................................................................................................................................G-47

5.4.11 Entering the machine type information .......................................................................................................................G-49

5.4.12 Tray 1 empty indicator board (PEIB/1), tray 2 empty indicator board (PEIB/2) ..........................................................G-50

5.4.13 PH relay board (PHRYB)............................................................................................................................................G-50

5.4.14 Scanner drive board (SCDB)......................................................................................................................................G-51

5.5 Disassembly/reassembly procedure (Motors) ...................................................................................................................... G-51

5.5.1 Transport motor (M1)................................................................................................................................................... G-51

5.5.2 PC motor (M2) ............................................................................................................................................................. G-52

5.5.3 Fusing motor (M3) ....................................................................................................................................................... G-52

5.5.4 Switchback motor (M4)................................................................................................................................................ G-53

5.5.5 ADU transport motor (M5) ........................................................................................................................................... G-54

5.5.6 Toner supply motor/K (M6).......................................................................................................................................... G-55

5.5.7 Toner supply motor/C (M7).......................................................................................................................................... G-56

5.5.8 Toner supply motor/M (M8) ......................................................................................................................................... G-56

5.5.9 Toner supply motor/Y (M9).......................................................................................................................................... G-56

5.5.10 Toner cartridge motor/Y,M,C (M10)............................................................................................................................G-57

5.5.11 Fusing pressure motor (M11) .....................................................................................................................................G-57

5.5.12 Tray 1 lift-up motor (M12) ...........................................................................................................................................G-57

5.5.13 Tray 2 lift-up motor (M13) ...........................................................................................................................................G-58

5.5.14 Developing motor (M21) .............................................................................................................................................G-58

5.5.15 Toner cartridge motor/K (M25) ...................................................................................................................................G-58

5.5.16 Scanner motor (M201)................................................................................................................................................G-59

5.6 Disassembly/reassembly procedure (Clutches) ................................................................................................................... G-60

5.6.1 Tray 2 paper feed clutch (CL1).................................................................................................................................... G-60

5.6.2 Tray 2 vertical transport clutch (CL2) .......................................................................................................................... G-61

5.6.3 Tray 1 paper feed clutch (CL3).................................................................................................................................... G-62

5.6.4 Registration clutch (CL4) ............................................................................................................................................. G-63

5.6.5 1st transfer pressure clutch (CL5) ............................................................................................................................... G-63

5.6.6 ADU transport clutch (CL6) ......................................................................................................................................... G-64

5.6.7 Bypass paper feed clutch (CL7) .................................................................................................................................. G-66

5.6.8 Paper exit clutch (CL8) ................................................................................................................................................ G-67

5.7 Disassembly/reassembly procedure (Fans) ......................................................................................................................... G-67

5.7.1 Power supply cooling fan (FM1) .................................................................................................................................. G-67

5.7.2 Transfer belt cleaner cooling fan (FM2)....................................................................................................................... G-68

5.7.3 Machine rear side cooling fan (FM3) ........................................................................................................................... G-69

5.7.4 Toner cartridge cooling fan (FM4) ............................................................................................................................... G-70

5.7.5 Paper cooling fan (FM8) .............................................................................................................................................. G-70

5.8 Disassembly/reassembly procedure (etc.)............................................................................................................................ G-71

5.8.1 Bypass pick-up solenoid (SD1) ................................................................................................................................... G-71

5.8.2 IDC sensor shutter solenoid (SD2).............................................................................................................................. G-72

5.8.3 Gate switch solenoid (SD3) ......................................................................................................................................... G-73

5.8.4 Developing solenoid (SD4).......................................................................................................................................... G-74

5.8.5 FAX speaker (SP1)...................................................................................................................................................... G-75

5.8.6 Bypass CD paper size VR (VR1)................................................................................................................................. G-77

5.8.7 UFP filter/ Deodorant filter ........................................................................................................................................... G-79

6. bizhub C658/C558/C458 ........................................................................................................................................G-83

6.1 Disassembly/reassembly parts list........................................................................................................................................ G-83

6.1.1 Exterior parts ............................................................................................................................................................... G-83

6.1.2 Units ............................................................................................................................................................................ G-83

6.1.3 Boards ......................................................................................................................................................................... G-84

6.1.4 Motors.......................................................................................................................................................................... G-84

6.1.5 Clutches....................................................................................................................................................................... G-85

6.1.6 Fan .............................................................................................................................................................................. G-85

6.1.7 etc................................................................................................................................................................................ G-85

6.2 Disassembly/reassembly procedure (Exterior parts) ............................................................................................................ G-85

6.2.1 Scanner rear cover ...................................................................................................................................................... G-85

6.2.2 Scanner right cover ..................................................................................................................................................... G-86

6.2.3 Scanner front cover ..................................................................................................................................................... G-86