Auto Density Sensor Adjustment - Ricoh FT7060 Field Service Manual

12 July '86

58. Auto Density Sensor Adjustment

ADJUSTMENT STANDARD: 1.55 ± 0.10V
NOTE: Adjust light intensity before this adjustment. (Refer to "Light Intensity
Adjustment.")
1. Lay the reverse side of a OS-UA3 test chart on the exposure glass. It
is necessary to use the test chart (it must be clean), because color and
surface finish of the original are critical for this adjustment.
2. Lower the DF transport unit.
3. Turn on the exposure lamp using SP 36.
4. Adjust the automatic density sensor output using VR201 on the main con-
trol board.
(Using the OS-UA3 test chart.)
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