Sharp AR-C250 operation manual Exposure Adjustments, Automatic, Original image type

EXPOSURE ADJUSTMENTS

CHAPTER2 MAKING COPIES Exposure adjustments

Exposure selections for this copier should be selected according to the type of originals being copied: TEXT/PRTD. PHOTO, TEXT, TEXT/PHOTO, PHOTO, PRINTED PHOTO or MAP. (Refer to the samples on page 4 to see the effects on copy images in relation to the EXPOSURE ADJUSTMENTS.) If the original image type is TEXT/PRTD. PHOTO, TEXT or TEXT/PHOTO, the exposure can be adjusted automatically or manually. If the original image type is PHOTO, PRINTED PHOTO or MAP, the exposure can be adjusted manually only. Also if the COPY OF COPY mode is selected, it allows only TEXT/PRTD. PHOTO, TEXT and PRINTED PHOTO image types for the better copy result and the exposure can be adjusted manually only. The standard initial setting of the original image type for this copier is TEXT/PRTD. PHOTO.

When copying a colored original in the Black/White copy mode, a colored background with text in the background area may be copied with the text obscured. Check with the key operator for the setting of “Disabling of Pre-scan in B/W Copy” program (see page

30of the Key Operator’s Guide). If pre-scan is enabled, such obscuring may be reduced.

	Automatic
AUTO	This is the standard initial setting for this copier. In this mode, the
	characteristics of an original being copied are “read” by the exposure
	system, and exposure adjustments are made automatically.
EXPOSURE	This optimizes the contrast of the copied images.

Original image type

TEXT/PRTD. PHOTO:

	This mode provides the best balance for copying
	an original which contains both text and printed
	photographs.
TEXT:	This mode is useful in enhancing very low density
	areas of an original or in suppressing unusually
	high-density background areas.
TEXT/PHOTO:	This mode provides the best balance for copying
	an original which contains both text and
	photographs.

PRINTED PHOTO: This mode is useful for copying printed photographs.

PHOTO:This mode provides the best copies of photographs with fine details.

MAP:This mode is useful to provide the best shading and fine details found on most maps.

COPY OF COPY: This mode provides the better adjustment for the printed originals such as copied text or copied photo. If the check box is checked, only Text/prtd. photo, Text and Printed photo mode keys are shown on the touch panel, then select the type of original among them. The exposure can only be adjusted manually.

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