Brother DCP-T520W Online User's Manual page 125

• Grey (Error Diffusion)
Use for photographic images or graphics. (Error Diffusion is a method for creating simulated grey
images without using true grey dots. Black dots are put in a specific pattern to give a grey
appearance.)
• True Grey
Use for photographic images or graphics. This mode is more accurate because it uses up to 256
shades of grey.
• 24bit Colour
Use to create an image with the most accurate colour reproduction. This mode uses up to 16.8 million
colours to scan the image, but it requires the most memory and has the longest transfer time.
4. Document Size
Select the exact size of your document from a selection of preset scan sizes.
If you select Custom, the Custom Document Size dialog box appears and you can specify the document
size.
5. Auto Crop
Scan multiple documents placed on the scanner glass. The machine will scan each document and create
separate files or a single multi-page file.
6. Advanced Settings
Configure advanced settings by clicking the Advanced Settings link in the Scanner Setup dialog box.
• Document Correction
- Margin Settings
Adjust the margins in your document.
- Rotate Image
Rotate the scanned image.
- Edge Fill
Fill in the edges on four sides of the scanned image using the selected colour and range.
• Image Quality
- Diffusion Adjustment -Grey
Adjust the diffusion when selecting the Grey (Error Diffusion) option from the Scan Type drop-down
list.
- Colour Tone Adjustment
Adjust the colour tone
- Background Processing
• Remove Bleed-through / Pattern
Prevent bleed-through.
• Remove Background Colour
Remove the base colour of documents to make the scanned data more legible.
- Colour Drop
Select a colour to remove from the scanned image.
- Edge Emphasis
Sharpen the characters in the original.
- Reduce Noise
Improve and enhance the quality of your scanned images with this selection. The Reduce Noise
option is available when selecting the 24bit Colour option and the 300 x 300 dpi, 400 x 400 dpi, or
600 x 600 dpi scan resolution.
• B&W Image Quality
- B&W Threshold Adjustment
Adjust the threshold to generate a monochrome image.
- Character Correction
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