Faxing
WorkCentre 7800 Series Multifunction Printer 147
User Guide
3. Under Background Suppression, touch Auto Suppression.
4. Touch OK.
Adjusting the Contrast
Contrast is the relative difference between light and dark areas in an image.
To adjust the contrast:
1. Press the Services Home button, then touch Fax.
2. Touch the Image Quality tab, then touch Image Enhancement.
3. On the Image Enhancement screen, select an option:
− Manual Contrast allows you to adjust the contrast manually. Under Manual Contrast, move
the slider up or down to increase or decrease the contrast. The middle position on the slider,
Normal, does not change the contrast.
− Auto Contrast allows the printer to set the contrast automatically.
4. Touch OK.
Specifying the Size of the Original
To ensure that you are scanning the correct area of the documents, specify the original size.
To specify the original size:
1. Press the Services Home button, then touch Fax.
2. Touch the Layout Adjustment tab, then touch Original Size.
3. On the Original Size screen, select an option:
− Auto Detect allows the printer to determine the size of the original.
− Preset Scan Areas specifies the area to scan when it matches a standard paper size. In the
scrolling list, touch the desired paper size.
− Custom Scan Area allows you to specify the height and width of the area to scan. To specify
an area, touch the Length (Y) and Width (X) arrows.
− Mixed Size Originals allows you to scan standard-size originals of varying sizes. Use the
diagram on the screen to determine which original sizes can be mixed in the same job.
4. Touch OK.
Selecting Reducing or Splitting
You can determine the method to use for handling images that are too large.
To select reducing or splitting:
1. Press the Services Home button, then touch Fax.
2. Touch the Layout Adjustment tab, then touch Reduce/Split.
3. Touch an option:
− Reduce to Fit shrinks large documents to fit on smaller paper.
− Split Across Pages continues a single image across several pages.
4. Touch OK.
