HP CM1015 manual Resolve scan-quality problems using the table

Problem Cause Solution

The scan takes too long.

The resolution or color level is set too	Change the resolution and color level
high.	settings to the correct settings for the job.
The software is set to scan in color.	The system default is color, which takes
	longer to scan even when scanning a
	monochrome original. If you acquire an
	image through TWAIN or WIA, you can
	change the settings so that the original
	scans in grayscale or black-and-white.
	See the device software Help for details.

A print job or copy job was sent before you tried to scan.

If someone sent a print job or copy job before you tried to scan, the scan starts if the scanner is not busy. However, because the printer and scanner share memory, the scan might be slower.

Resolve scan-quality problems using the table.

Problem Cause Solution

Blank pages	The original might have been loaded
	upside down.

On the flatbed scanner, place the original document face-down with the upper-left corner of the document at the lower-right corner of the glass.

The scanner bulb might not be working. If the scanner bulb does not light, verify that the cables from the scanner to the formatter are connected correctly. If the error persists, replace parts one at a time in the following order until the problem is resolved: scanner assembly, and finally the formatter.

Too light or dark	The resolution and color levels may be
	set incorrectly.

Verify the resolution and color settings.

●Use the Text setting for items that contain mostly text.

● Use the Film photo setting when making a copy of a photograph.

● Use Picture when making a copy of

		a graphic.
		● Use the Mixed setting for
		documents that include both text
		and graphics.
		● Use the Draft setting if conserve
		toner or if the copy quality is not as
		important.
Black dots or streaks	Ink, glue, correction fluid, or an unwanted	Clean the flatbed scanner surface.
	substance might be on the glass.
Unclear text	The resolution and color levels may be	Verify the correct resolution and color
	set incorrectly.	settings.
The scanned page has a background but	The original might be too thin to scan	On the flatbed scanner, place three
the original document does not.	cleanly.	sheets of clean paper on top of the

192 Chapter 14 Problem solving ENWW