Table Of Contents - Ricoh B022 Service Manual

INSTALLATION
1 OVERALL MACHINE INFORMATION ......................................... 1-1
1.1 SPECIFICATIONS .................................................................................... 1-1
1.2 MACHINE CONFIGURATION .................................................................. 1-5
1.2.1 SYSTEM COMPONENTS ............................................................... 1-5
1.2.2 INSTALLABLE OPTION TABLE ...................................................... 1-7
Copier options ...................................................................................... 1-7
Fax option ............................................................................................ 1-7
Printer/scanner options ........................................................................ 1-7
1.3 PAPER PATH ........................................................................................... 1-8
1.4 MECHANICAL COMPONENT LAYOUT................................................... 1-9
1.5 ELECTRICAL COMPONENT DESCRIPTIONS...................................... 1-11
1.6 DRIVE LAYOUT ..................................................................................... 1-14
1.7 COPY PROCESS ................................................................................... 1-15
1.7.1 OVERVIEW ................................................................................... 1-15
1.8 BOARD STRUCTURE ............................................................................ 1-17
1.8.1 OVERVIEW ................................................................................... 1-17
1.8.2 CONTROLLER .............................................................................. 1-19
DETAILED SECTION DESCRIPTIONS
2 DETAILED SECTION DESCRIPTIONS........................................ 2-1
2.1 SCANNING............................................................................................... 2-1
2.1.1 OVERVIEW ..................................................................................... 2-1
2.1.2 SCANNER DRIVE ........................................................................... 2-2
2.1.3 ORIGINAL SIZE DETECTION IN PLATEN MODE .......................... 2-3
2.2 IMAGE PROCESSING ............................................................................. 2-5
2.2.1 OVERVIEW ..................................................................................... 2-5
2.2.2 SBU (SENSOR BOARD UNIT) ........................................................ 2-6
2.2.3 AUTO IMAGE DENSITY .................................................................. 2-7
2.2.4 IPU (IMAGE PROCESSING UNIT).................................................. 2-8
Overview .............................................................................................. 2-8
Image Processing Modes..................................................................... 2-9
Image Processing Path ...................................................................... 2-10
Overview ............................................................................................ 2-10
SP Modes for Each Image Processing Step ...................................... 2-11
Text Mode .......................................................................................... 2-11
Photo Mode........................................................................................ 2-12
Text/Photo Mode................................................................................ 2-13
Pale Mode .......................................................................................... 2-14
Generation Copy ................................................................................ 2-15
Auto Shading...................................................................................... 2-16
SM
B022/B027

TABLE OF CONTENTS

i B022/B027