Ricoh A293P Посібник з експлуатації - Сторінка 4
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Друкувати сторінкуDrive Mechanism ................................................................................2-45
Cleaning Blade Pressure Mechanism and Side-to-Side Movement....2-46
2.5.5 OTHERS.........................................................................................2-47
Air Flow Around the Drum...................................................................2-47
Pick-off Mechanism ............................................................................2-48
2.6 DEVELOPMENT AND TONER SUPPLY ................................................2-49
2.6.1 OVERVIEW ....................................................................................2-49
2.6.2 DEVELOPMENT MECHANISM......................................................2-50
2.6.3 DEVELOPMENT BIAS ...................................................................2-51
2.6.4 TONER DENSITY CONTROL ........................................................2-52
Overview.............................................................................................2-52
Sensor control mode...........................................................................2-52
Image pixel count control ....................................................................2-53
2.6.5 TONER END DETECTION.............................................................2-54
Toner Near End ..................................................................................2-54
Toner End ...........................................................................................2-54
2.6.6 TONER END RECOVERY .............................................................2-54
2.6.7 ABNORMAL TD AND ID SENSOR CONDITIONS .........................2-55
2.7 IMAGE TRANSFER AND PAPER SEPARATION ...................................2-56
2.7.1 IMAGE TRANSFER AND PAPER SEPARATION MECHANISM ...2-56
2.7.2 TRANSFER BELT UNIT LIFT MECHANISM..................................2-57
2.7.3 TRANSFER BELT CLEANING MECHANISM ................................2-58
2.13 PAPER FEED........................................................................................2-59
2.13.1 OVERVIEW ..................................................................................2-59
2.13.2 DRIVE MECHANISM....................................................................2-60
2.13.3 TANDEM LCT – TRAY 1 ..............................................................2-61
Overview.............................................................................................2-61
Connecting the Left and Right Sides of the Tray ................................2-62
Paper Lift/Remaining Paper Detection................................................2-63
Fence Drive ........................................................................................2-65
Rear Fence Drive................................................................................2-66
Tray Positioning ..................................................................................2-67
2.13.4 TRAY POSITIONING MECHANISM – TRAYS 1 TO 3 .................2-68
2.13.5 PAPER LIFT MECHANISM - TRAYS 2 AND 3.............................2-69
2.13.6 VERTICAL TRANSPORT MECHANISM ......................................2-70
2.13.7 PAPER REGISTRATION..............................................................2-71
Overview.............................................................................................2-71
2.13.13 PAPER SIZE DETECTION – TRAY 2 ........................................2-72
2.9 IMAGE FUSING ......................................................................................2-73
2.9.1 OVERVIEW ....................................................................................2-73
2.9.2 FUSING ENTRANCE GUIDE .........................................................2-74
2.9.3 FUSING DRIVE MECHANISM .......................................................2-75
2.10 PAPER EXIT/DUPLEX ..........................................................................2-76
2.10.1 OVERVIEW ..................................................................................2-76
2.10.2 INVERTER ...................................................................................2-77
Feed-in and Jogging ...........................................................................2-77
Feed-out .............................................................................................2-78
2.10.3 DUPLEX TRAY FEED MECHANISM ...........................................2-79
2.10.4 BASIC DUPLEX FEED OPERATION ...........................................2-80
SM
iii
Rev. 10/2002
A292/A293/B098