Ricoh G104, Service Manual

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G104/G160/G161 vi SM
6.5.2 DRIVE AND DRIVE GEAR POSITION SENSOR...........................6-37
Mechanism .........................................................................................6-37
Initialization Process and SC Codes ...................................................6-38
6.5.3 DRUM CHARGE AND QUENCHING .............................................6-39
6.5.4 DRUM CLEANING..........................................................................6-40
6.5.5 WASTE TONER COLLECTION .....................................................6-41
6.5.6 WASTE TONER BOTTLE FULL DETECTION AND SET
DETECTION...................................................................................6-42
6.5.7 PCU DETECTION (DEVELOPMENT UNIT DETECTION) .............6-43
Unit Set Detection Pins .......................................................................6-43
New Unit Detection .............................................................................6-43
Error Message ....................................................................................6-44
6.6 DEVELOPMENT .....................................................................................6-45
6.6.1 OVERVIEW ....................................................................................6-45
6.6.2 DRIVE.............................................................................................6-46
6.6.3 DEVELOPER MIXING ....................................................................6-47
6.6.4 DEVELOPMENT BIAS ...................................................................6-48
6.6.5 TONER SUPPLY MECHANISM .....................................................6-49
Overview.............................................................................................6-49
Toner Near End Detection ..................................................................6-49
6.6.6 TONER BOTTLE DETECTION ......................................................6-49
6.7 IMAGE TRANSFER.................................................................................6-50
6.7.1 OVERVIEW ....................................................................................6-50
Transfer Unit Detection and New Unit Detection ................................6-51
Transfer belt unit detection .................................................................6-51
New transfer belt unit detection ..........................................................6-51
6.7.2 TRANSFER BELT DRIVE AND TRANSFER BELT ROLLER
VOLTAGE.................................................................................................6-52
Transfer belt contact ...........................................................................6-53
Transfer belt cleaning .........................................................................6-54
6.7.3 TRANSFER ROLLER UNIT............................................................6-55
Transfer from the belt..........................................................................6-55
Image transfer.....................................................................................6-55
Discharge............................................................................................6-56
Transfer roller contact .........................................................................6-57
6.8 FUSING...................................................................................................6-58
6.8.1 OVERVIEW ....................................................................................6-58
6.8.2 FUSING TEMPERATURE CONTROL............................................6-59
Machine ready temperature: [B]..........................................................6-60
Print ready temperature: [C]................................................................6-60
Target printing temperature: [D]..........................................................6-60
First print temperature: [G]..................................................................6-60
Corrections for Small Paper Sizes (less than A5) ...............................6-61
Overheat Protection ............................................................................6-61
6.8.3 DRIVE.............................................................................................6-62
6.9 CONTROLLER ........................................................................................6-63
6.9.1 OVERVIEW ....................................................................................6-63
6.9.2 BOARD LAYOUT ............................................................................6-65
CÓPIA NÃO CONTROLADA
CÓPIA NÃO CONTROLADA