Ricoh Aficio SP C231, Руководство по обслуживанию, Страница: 11 / 247

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SM C231
C231
TABLE OF CONTENTS
OVERALL INFORMATION............................................................... 1-1
1.1 SPECIFICATION ...................................................................................... 1-1
1.2 GUIDE TO COMPONENTS AND THEIR FUNCTION .............................. 1-5
1.2.1 MACHINE EXTERIOR ..................................................................... 1-5
1.2.2 MACHINE INTERIOR ...................................................................... 1-6
1.2.3 OPERATION PANEL ....................................................................... 1-7
Keys ..................................................................................................... 1-7
Indicators ............................................................................................. 1-9
1.3 PRINTING PROCESS ............................................................................ 1-10
1.4 MECHANICAL COMPONENT LAYOUT................................................. 1-11
1.5 ELECTRICAL COMPONENT LAYOUT .................................................. 1-12
1.5.1 ADF................................................................................................ 1-12
1.5.2 MAIN BODY................................................................................... 1-13
Boards................................................................................................ 1-14
Motors ................................................................................................ 1-14
Solenoids ........................................................................................... 1-15
Switches............................................................................................. 1-15
Sensors.............................................................................................. 1-15
Counters ............................................................................................ 1-16
Others ................................................................................................ 1-16
1.6 DRIVE LAYOUT ..................................................................................... 1-17
DETAILED SECTION DESCRIPTIONS............................................ 2-1
2.1 SCANNER AND OPTICS ......................................................................... 2-1
2.1.1 BOOK SCANNER OVERVIEW........................................................ 2-1
2.1.2 ADF OVERVIEW ............................................................................. 2-2
2.1.3 CONTACT IMAGE SENSOR ........................................................... 2-4
2.1.4 DRIVE MECHANISM ....................................................................... 2-5
Book Scanner....................................................................................... 2-5
ADF...................................................................................................... 2-6
2.1.5 PICK-UP AND FEED (ADF)............................................................. 2-7
2.1.6 SEPARATION MECHANISM (ADF) ................................................ 2-8
2.1.7 ERROR CONDITIONS .................................................................... 2-9
Book Scanner....................................................................................... 2-9
ADF...................................................................................................... 2-9
2.2 IMAGE-PROCESSING ........................................................................... 2-10
2.2.1 OVERVIEW ................................................................................... 2-10
2.2.2 A/D CONVERSION PROCESSING ............................................... 2-11
Shading Distortion Correction ............................................................ 2-11
Original Background Correction ......................................................... 2-12
Peak Hold .......................................................................................... 2-12