1-1-15
2A3/4
CONTENTS
2-3 Operation of the PCBs
2-3-1 Power source PCB .............................................................................. 2-3-1
2-3-2 Engine PCB ........................................................................................ 2-3-3
2-3-3 Main PCB ............................................................................................ 2-3-4
2-3-4 Memory copy PCB .............................................................................. 2-3-6
2-3-5 Scanner motor PCB ............................................................................ 2-3-8
2-3-6 CCD PCB ............................................................................................ 2-3-9
2-3-7 DF driver PCB ................................................................................... 2-3-11
2-3-8 Operation unit main PCB,operation unit right PCB,and
operation unit left PCB ...................................................................... 2-3-12
(1) Operation unit left PCB .............................................................. 2-3-14
(2) Operation unit right PCB ........................................................... 2-3-15
2-3-9 Deck main PCB (42 ppm: optonal/52 ppm: standard) ...................... 2-3-16
(1) Paper deck motor drive circuits ................................................. 2-3-17
(2) Clutch drive circuit ..................................................................... 2-3-18
(3) Operational principle of reflective photosensors PPSENS1,
PPSENS2, PPSENS3 and PESENS ......................................... 2-3-19
(4) Reset circuit ............................................................................... 2-3-20
Summary of Contents for Ri 4230
Page 3: ...SERVICE MANUAL Ri 4230 5230 ...
Page 13: ...4230 5230 S M MCA THEORY AND CONSTRUCTION SECTION I I Theory and Construction Section ...
Page 14: ...1 1 5 2A3 4 CONTENTS 1 1 Specifications 1 1 1 Specifications 1 1 1 ...
Page 100: ...4230 5230 S M MCA ELECTRICAL SECTION II II Electrical Section ...
Page 119: ......
Page 138: ......
Page 159: ...4230 5230 S M MCA III Set Up and Adjustment Section III SET UP AND ADJUSTMENT SECTION ...
Page 448: ...2A3 4 3 6 3 25 Toner scatters at the leading edge of the image See page 3 6 17 ...