1-1-23
2A3/4
CONTENTS
3-4 PCB Initial Settings
3-4-1 Replacing the main PCB ..................................................................... 3-4-1
(1) Replacing the main PCB only ...................................................... 3-4-1
(2) Replacing the main PCB and backup RAM ................................. 3-4-1
3-4-2 Replacing the main PCB ROMs .......................................................... 3-4-2
3-4-3 Adjustment-free variable resisters (VR) .............................................. 3-4-3
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 ...