hp Color 9850mfp WRITE A. Types of the color registration correction control There are following, 5 color registration correction controls. The write units are mechanically adjusted in the "Partial horizontal magnification"; however, the correction is performed automatically in the other four. II UNIT EXPLANATION *1 The relationship between 2 colors are shown in the interests of simplicity. *2 In "drift in the main scan direction", "Entire horizontal magnification", and "Partial horizontal magnifica- tion", colors are intentionally drifted in the sub-scan direction to make it clear the drift between 2 colors.
2-15 Correction type Correction method Drift in the main scan direction Adjusts the write start timing in the main scan direction Drift in the sub- scan direction Adjusts the write start timing in the sub-scan direction Entire horizon- tal magnification Adjusts the clock frequency at write Inclination Adjusts the angle of the cylindrical lens 2 Partial horizon- tal magnification Adjusts the position of the write unit (parallelism against drum) * See adjusting the timing for the image adjustment in 36 mode