Lexmark C720 SERIES Manuale di servizio - Pagina 8

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5024-001

Motor Removals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-37

Fan / Motor Layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-37

Main Motor (MM) / BD Gear Assembly Removal . . . . . . . . . . . .4-38

Main Gear Unit Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-40

Developer Motor (DM) Removal . . . . . . . . . . . . . . . . . . . . . . . . .4-41

Developer Drive Unit Removal . . . . . . . . . . . . . . . . . . . . . . . . . .4-42

Optical Unit (Printhead Scanner Motor Assembly) Removal. . . .4-44

Control Fan (3) (CTFAN) Removal . . . . . . . . . . . . . . . . . . . . . . .4-47

Heater Fan (HTFAN) Removal . . . . . . . . . . . . . . . . . . . . . . . . . .4-49

Ozone Fan (OZFAN) / Ozone Duct Assembly Removal . . . . . . .4-50

Clutch and Solenoid Removals . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-52

Clutch (FUCL, FBCL, RECL) Removal . . . . . . . . . . . . . . . . . . . .4-53

Paper Feeder Clutch (PCLU) Removal . . . . . . . . . . . . . . . . . . . .4-54

Developer Clutch (DCLK, DCLY, DCLM, DCLC) Removal . . . . .4-55

Cam Clutch (FBCM, TRCM) Removal . . . . . . . . . . . . . . . . . . . .4-57

Sensor Removals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-58

Interlock Switch (Front) Removal . . . . . . . . . . . . . . . . . . . . . . . .4-59

Interlock Switch (Top) Removal . . . . . . . . . . . . . . . . . . . . . . . . .4-60

Interlock Switch (Rear) Removal . . . . . . . . . . . . . . . . . . . . . . . . .4-61

Paper Sensor (Paper Feeding Sensor PT1) Removal . . . . . . . .4-63

Paper Exit Sensor (PT2) Removal . . . . . . . . . . . . . . . . . . . . . . .4-64

Paper Empty Sensor (PEU) / OHP Sensor (OHP) Removal . . . .4-65

Paper Size Sensor (PSU) Removal . . . . . . . . . . . . . . . . . . . . . .4-67

Drum Jam Sensor (DPJ) Removal . . . . . . . . . . . . . . . . . . . . . . .4-68

Oil Sensor (OIL) Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-69

Drum Encoder Sensor (HPSEN) Removal . . . . . . . . . . . . . . . . .4-70

Belt Sensor (PBS) Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-72

Waste Toner Sensor (TBLE/TBFL) (Waste Toner

Holder Assembly) Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-73

Toner Sensor Assembly (TPD) / (TTR) Removal . . . . . . . . . . . .4-74

Cleaning Roller Sensor (FCS) Removal . . . . . . . . . . . . . . . . . . .4-76

Paper Full Sensor (PFUL) Removal . . . . . . . . . . . . . . . . . . . . . .4-77

Toner Key Sensor (TNK) Removal . . . . . . . . . . . . . . . . . . . . . . .4-78

Transfer Unit (Rollers and Drum) Removal . . . . . . . . . . . . . . . . . . .4-79

Transfer Unit Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-79

Registration Roller Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-80

Transfer Drum Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-81

Paper Feed Roller / Separator Pad Removal . . . . . . . . . . . . . . .4-83

Front Cover Unit Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-84

Paper Exit Unit / Paper Exit Roller Removal . . . . . . . . . . . . . . . .4-86

Discharger Brush Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-88

Waste Toner Feeder (U) (Stay 'A' Assembly) Removal . . . . . . .4-89

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Service Manual