HP LaserJet Enterprise MFP M637 User Guide - Page 263
Optimize fax quality for text or pictures, Check the error-correction setting
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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 affecting the darkness of the image. ● Automatic Tone: Available for Flow printers only. The printer automatically adjusts the Darkness, Contrast, and Background Cleanup settings to the most appropriate for the scanned document. 1. From the Home screen on the printer control panel, navigate to the Fax application, and then select the Fax icon. 2. Select Options. 3. In the Options pane, scroll to and select Image Adjustment. 4. Adjust the sliders to set the levels, and then select Done. 5. Select Send to send the fax. NOTE: These settings are temporary. After you have finished 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, navigate to the Fax application, and then select the Fax icon. 2. Select Options. 3. In the Options pane, scroll to and select Optimize Text/Picture. 4. Select one of the predefined options. 5. Select Send to send the fax. NOTE: These settings are temporary. After you have finished the job, the printer returns to the default settings. Check the error-correction setting Make sure the Error Correction Mode setting is enabled. This setting can improve image quality. 1. From the Home screen on the printer control panel, navigate to the Settings application, and then select the Settings icon. 2. Open the following menus: a. Fax b. Fax Send Settings c. General Fax Send Settings 3. Select the Error Correction Mode option. Touch the Done button. Check the fit-to-page setting If the Fit to Page setting is enabled, and the incoming fax is larger than the default page size, the printer attempts to scale the image to fit the page. If this setting is disabled, larger images split across multiple pages. ENWW Improve fax image quality 255