2A3/4
1-3-22
Image printing
The image data scanned by the CCD PCB (CCDPCB) is processed on the main PCB
(MPCB) and transmitted as image printing data to the laser scanner unit (LSU). By
repeatedly turning the laser on and off, the laser scanner unit forms a latent image on
the drum surface.
• Laser scanner unit
Oject mirror
Lens 4
Cylindrical correcting lens
BD sensor
Motor drive PCB
Polygon motor (PM)
Polygon mirror
Lens 2
Lens 3
Lens 1
Beam spritter
Collimator lenses
Laser diodes (LD)
LD control PCB
BD sensor mirror
Figure 1-3-19
Laser scanner unit (1)
Содержание Ri 4230
Страница 1: ...4230 5230 S M MCA SERVICE MANUAL Published in June 00 2A370941 Revision 1 Ri 4230 5230 Ri 4230 5230 ...
Страница 3: ...SERVICE MANUAL Ri 4230 5230 ...
Страница 13: ...4230 5230 S M MCA THEORY AND CONSTRUCTION SECTION I I Theory and Construction Section ...
Страница 14: ...1 1 5 2A3 4 CONTENTS 1 1 Specifications 1 1 1 Specifications 1 1 1 ...
Страница 21: ...1 1 7 2A3 4 CONTENTS 1 2 Handling Precautions 1 2 1 Drum 1 2 1 1 2 2 Developer and toner 1 2 1 ...
Страница 100: ...4230 5230 S M MCA ELECTRICAL SECTION II II Electrical Section ...
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Страница 159: ...4230 5230 S M MCA III Set Up and Adjustment Section III SET UP AND ADJUSTMENT SECTION ...
Страница 419: ...1 1 25 2A3 4 CONTENTS 3 5 Self Diagnosis 3 5 1 Self diagnosis 3 5 1 1 Self diagnostic function 3 5 1 ...
Страница 448: ...2A3 4 3 6 3 25 Toner scatters at the leading edge of the image See page 3 6 17 ...