Sharp MX-B200 manual → Clean regularly

		Problem			Cause and solution	Page
Any one of the					See "STATUS INDICATORS" to check the meaning of
alarm indicators					the alarm indicator, and take appropriate action.	79
(	,	,	,	)
is lit or blinking.
					The document glass or the underside of the document
					cover/SPF is dirty.	69
					→ Clean regularly.
					Original smudged or blotchy.	–
					→ Use a clean original.
					You have not specified a suitable resolution.	–
					→ Make sure that the resolution setting in the scanner
					driver is appropriate for the original.
					You have not specified a suitable value for the "B/W
					Threshold" setting.
					→ If you are scanning with a TWAIN-compliant
					application, make sure that a suitable value is specified	–
					for the "B/W Threshold" setting. A larger threshold
					value makes your output darker, while a small
					threshold value makes it lighter. To adjust the threshold
					automatically, click the "Auto Threshold" button on the
Poor scanning					"Image" tab of the "Professional" screen.
quality.					The brightness and contrast settings are not suitable.
					→ If you are scanning with a TWAIN-compliant application
					and the resulting image has unsuitable brightness or
					contrast (for example it is too bright), click the "Auto
					Brightness/Contrast Adjustment" button on the
					"Colour" tab of the "Professional" screen. Click the	–
					"Brightness/Contrast" button to adjust the brightness
					and the contrast while viewing the scanned output
					image on the screen. If you are scanning with a WIA-
					compliant application or the "Scanner and Camera
					Wizard", click "Adjust the quality of the scanned
					picture" or the "Custom settings" button, and adjust the
					brightness and contrast in the screen that appears.
					The original is not placed face up in the SPF or face
					down on the document glass.	26, 27
					→ Place the original face up in the SPF or face down on
					the document glass.
					The original was not placed in the correct position.	26, 27
					→ Place the original correctly.

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