Ricoh B286 Service Manual page 22

5.7 SP1-XXX FEED ....................................................................................... 5-22
5.7.1 PAPER THICKNESS DEFAULT SELECTION................................ 5-36
5.8 SP2-XXX DRUM ...................................................................................... 5-56
5.8.1 TEST PATTERN PRINTING ........................................................... 5-72
5.9 SP3-XXX PROCESS CONTROL ............................................................. 5-73
5.10 SP4-XXX SCANNER ............................................................................. 5-74
5.11 SP5-XXX MODE .................................................................................... 5-97
5.12 SP6-XXX PERIPHERALS...................................................................... 5-160
5.13 SP7-XXX DATA LOG............................................................................. 5-185
5.14 SP8-XXX DATA LOG 2.......................................................................... 5-196
DETAILS
6. DETAILS ...................................................................................... 6-1
6.1 OVERVIEW................................................................................................ 6-1
6.1.1 MACHINE GENERAL LAYOUT ........................................................ 6-1
6.1.2 MECHANICAL COMPONENT LAYOUT ........................................... 6-3
6.1.3 DRIVE LAYOUT................................................................................ 6-5
6.1.4 ORIGINAL/COPY PAPER PATHS.................................................... 6-6
6.2 SCANNER ................................................................................................. 6-8
6.2.1 OVERVIEW....................................................................................... 6-8
6.2.2 SCANNER LAYOUT ......................................................................... 6-9
6.2.3 ORIGINAL WIDTH DETECTION .................................................... 6-10
6.2.4 ORIGINAL DRIVE MECHANISM .................................................... 6-11
6.2.5 ORIGINAL FEED SPEED ............................................................... 6-11
6.2.6 SCANNING MECHANISM .............................................................. 6-12
CIS Structure...................................................................................... 6-12
Printed Image ..................................................................................... 6-13
6.2.7 AUTO IMAGE DENSITY CORRECTION ........................................ 6-13
6.3 IMAGE PROCESSING............................................................................. 6-15
6.3.1 GENERAL IMAGE PROCESSING FLOWCHART.......................... 6-15
6.3.2 ORIGINAL MODES......................................................................... 6-16
Overview ............................................................................................ 6-16
Drawing Mode .................................................................................... 6-17
Text Mode .......................................................................................... 6-18
B286/B289 x SM