
6
Function Mode and Adjustment
6.9.6 b6: Shading Correction
This adjustment is necessary after the replacement of
1.Checks the surface of the 1st to 3rd scan path mirror and if dirty clean it.
2.Place Projection Lens TYPE 2 in position and set a lens zoom ratio of 20X.
3.Load film and bring the image into focus.
(Do not move the focus ring after this operation).
4.Remove the Projection Lens and the Film Carrier.
5.Remove the Optical Cover and Prism from the machine.
6.Cover the entire Screen with a black sheet of paper to prevent an extraneous light from striking the Screen.
7.Turn on the Power Switch and waits for 5 minutes and stabilizes temperature of IC on
8.Set the function mode into "b6" and depress the Mode Memory key to perform the Shading Correction.
9.The execution time of a Shading Correction is 10 minutes from about 6 minutes.
A Display changes as follows during Shading Correction execution. H1→H2→H3→.....→H9→H0→1(E1)
When a display was set to "1" or "E1", Shading Correction was completed.
(Displays "E1", when a printer is not connected)
10.When a Shading Correction carries out an unusual end on the way and displays "C3", perform once again from Procedure 1.
11.After Shading Correction is completed, attach the Film Carrier and Prism.
104