SHARP SP1674 Technical Report

Date: Jan. 18, 1994

COPIER : Z-52

PARTS CHANGES (Z - 52, 85)

1.General: The following parts have been changed in models Z - 52, 57, 85, 85 II.

Item. Model. Change.

1. Z - 52 / 57 Change in clutch unit parts.

2. Z - 52 Change in original table acuride.

3. Z - 52 / 57 Change in maker of operation circuit board.

4. Z - 52 / 57 Change in maker of main circuit board.

5. Z - 85 Change in lock spring of the optical unit.

6. Z - 85 Elimination of darkening sheet for no. 4 mirror in the optical unit.

7. Z - 85 Change in shape of lens shaft holder in the optical unit.

8. Z - 85 / 85 II Addition of OC rear edge sheet in the OC unit.

9. Z - 85 Change in brake spring in the copy lamp unit.

10. Z - 85 / 85 II Addition of lock sheet in the optical unit.
1 1. Z - 85 / 85 II Addition of resistors, capacitors to main circuit board.

12. Z - 85 / 85 II Change in spring load of the clutch unit.

13. Z - 85II Change of felt holding sheet in the optical unit.

14. Z - 52 / 57,
50 series, 70 series Change in fixing cover.

15. Z - 70 Change in fixing unit parts code.

No. : SP-1674

SHARP CORPORATION Reprography Division

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Green

C

Item 1. Parts change in the clutch unit (Z - 52 / 57).

Added pressure arm protection sheet.

Fig. 1

Item 5. Lock spring change (Z - 85).

Changed from 3.5 to 3 .

Fig. 2

Item 8. Addition of OC rear edge sheet in the OC unit (Z-85 / 85II).

Added: OC rear edge sheet.

Fig. 3

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