2A3/4
3-3-30
( 4 ) Replacing the ISU (reference)
Take the following procedure when the ISU is to be checked or replaced.
Caution: After fitting the ISU, proceed to (5-2) Adjusting the position of the ISU.
<Procedure>
1. Remove the upper right cover.
2. While taking care not to touch the shading plate or rear face of the contact glass,
remove the contact glass.
3. Remove the ISU and lower ISU covers, and detach the two connectors.
Screws
Screws
Screws
ISU cover
Screws
Connectors
Lower ISU cover
Screws
ISU
Figure 3-3-36 Detaching the ISU and lower ISU covers
4. Remove the four screws holding the ISU and then the ISU.
5. Check or replace the ISU.
6. Refit all removed parts.
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 ...