Ricoh Aficio IS420 Service Manual page 98

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APPENDIX B. OPTICAL ADJUSTMENT (ELECTRICAL)
12. Press the Enter key.
<<<< AGC=20 >>>>
Be sure : [X]== 121 +/- 10
**** Image Data (#3584) **** [ Exit : '!' key ]
003,003,125,124 (122,119 <+>003) [120]
13. Check that X is within the required range. (In the example screen above,
the value on the bottom line below the X must be 121 +/- 10.) Then press
!. If X is not within the required range, do the Gain Curve Adjustment
procedure again (complete the entire adjustment procedure without
adjusting anything, then start again from the beginning).
<<<<<< EXIT >>>>>>
[ Next : Hit Enter Key !! ]
14. Press the Enter key.
<<<< AGC=27 >>>>
Be sure : [X]== 90 +/- 10
**** Image Data (#3584) **** [ Exit : '!' key ]
002,002,087,084 (085,082 <+>003) [083]
15. Check that X is within the required range. (In the example screen above,
the value on the bottom line below the X must be 90 +/- 10.) Then press !.
If X is not within the required range, do the Gain Curve Adjustment
procedure again (complete the entire adjustment procedure without
adjusting anything, then start again from the beginning).
<<<<<< EXIT >>>>>>
If NG , ajust gain curve again !!
[ Next : Hit Enter Key !! ]
16. Press the Enter key.
[ Next : Hit Enter Key !! ]
17. Press the Enter key again. The Gain Curve Confirmation procedure is
finished, and the White Level Difference Adjustment starts.
******************************
**** AJUST WHITE EVEN ODD ****
******************************
---- Put the White Chart on the Lamp position !! ----
<< Then , Hit Enter Key >>
[X]
Ave-(O:121,E:118 <+>003) [119]
[X]
Ave-(O:084,E:082 <+>003) [083]
B-6
October 9th, 1995

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