HP LaserJet Enterprise M631 - Check the image-adjustment settings; Optimize fax quality for text or pictures; Check the error-correction settings

Check the image-adjustment settings
Adjust these additional settings to improve send-fax quality:
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Sharpness: Clarify or soften the image. For example, increasing the sharpness could make text appear
crisper, but decreasing it could make photos appear smoother.
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Darkness: Increase or decrease the amount of white and black used in colors in scanned images.
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Contrast: Increase or decrease the dierence between the lightest and the darkest color on the page.
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Background Cleanup: Remove faint colors from the background of scanned images. For example, if the
original document is printed on colored paper, use this feature to lighten the background without aecting
the darkness of the image.
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Automatic Tone: Available for Flow printers only. For original documents that have at least 100 characters
of text on the page, the printer can detect which edge is the top of the page, and it orients the scanned
images appropriately. If some of the pages are upside-down in relation to the other pages, the resulting
scanned image has all pages right-side-up. If some of the pages have a landscape orientation, the printer
rotates the image so that the top of the page is at the top of the image.
1. From the Home screen on the printer control panel, select Scan.
2. Touch the Scan to Fax button.
3. Touch the Options button.
4. In the Options pane, scroll to and select Image Adjustment.
5. Adjust the sliders to set the levels.
6. Touch the Send button.
NOTE: These settings are temporary. After you have nished the job, the printer returns to the default settings.
Optimize fax quality for text or pictures
Optimize the fax job for the type of image being scanned: text, graphics, or photos.
1. From the Home screen on the printer control panel, select Scan.
2. Touch the Scan to Fax button.
3. Touch the Options button.
4. In the Options pane, scroll to and select Optimize Text/Picture.
5. Select one of the predened options, or select Automatically detect.
6. Touch the Send button.
NOTE: These settings are temporary. After you have nished the job, the printer returns to the default settings.
Check the error-correction settings
The Error Correction Mode setting might be disabled, which can reduce image quality. Follow these steps to re-
enable the setting.
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