HP Color LaserJet Pro MFP M478-M479 User Guide - Page 172

Color, Edge-to-edge copying, Clean the pickup rollers and separation pad in the document feeder

Page 172 highlights

Table 9-15 Resolution and color guidelines (continued) Intended use Recommended resolution Recommended color settings Print (graphics or text) 600 ppi for complex graphics, or ● if you want to significantly enlarge the document ● 300 ppi for normal graphics and ● text Black and White for text and line art Grayscale for shaded or colored graphics and photos Color, if the image is in color 150 ppi for photos Display on screen 75 ppi ● Black and White for text ● Grayscale for graphics and photos ● Color, if the image is in color Color You can set the color values to the following settings when scanning. Table 9-16 Color settings Setting Color Black and White Grayscale Recommended use Use this setting for high-quality color photos or documents in which the color is important. Use this setting for text documents. Use this setting when file size is an issue or when you want to scan a document or photograph quickly. Edge-to-edge copying The printer cannot print fully edge-to-edge. There is a 4 mm (1/6 inch) unprintable border around the page. Considerations for printing or scanning documents with cropped edges: ● When the original is smaller than the output size, move the original 4 mm (1/6 inch) away from the corner indicated by the icon on the scanner. Recopy or scan in this position. ● When the original is the size of the printed output that you want, use the Reduce/Enlarge feature to reduce the image so the copy is not cropped. Clean the pickup rollers and separation pad in the document feeder If the document feeder experiences paper handling problems, such as jams or multiple-page feeds, clean the document feeder rollers and separation pad. 1. Open the document feeder access cover. 160 Chapter 9 Solve problems ENWW

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Table 9-15
Resolution and color guidelines (continued)
Intended use
Recommended resolution
Recommended color settings
Print (graphics or text)
600 ppi for complex graphics, or
if you want to significantly
enlarge the document
300 ppi for normal graphics and
text
150 ppi for photos
Black and White for text and line art
Grayscale for shaded or colored graphics and photos
Color, if the image is in color
Display on screen
75 ppi
Black and White for text
Grayscale for graphics and photos
Color, if the image is in color
Color
You can set the color values to the following settings when scanning.
Table 9-16
Color settings
Setting
Recommended use
Color
Use this setting for high-quality color photos or documents in which the color is important.
Black and White
Use this setting for text documents.
Grayscale
Use this setting when file size is an issue or when you want to scan a document or
photograph quickly.
Edge-to-edge copying
The printer cannot print fully edge-to-edge. There is a 4 mm (1/6 inch) unprintable border around the page.
Considerations for printing or scanning documents with cropped edges:
When the original is smaller than the output size, move the original 4 mm (1/6 inch) away from the corner
indicated by the icon on the scanner. Recopy or scan in this position.
When the original is the size of the printed output that you want, use the
Reduce/Enlarge
feature to reduce
the image so the copy is not cropped.
Clean the pickup rollers and separation pad in the document feeder
If the document feeder experiences paper handling problems, such as jams or multiple-page feeds, clean the
document feeder rollers and separation pad.
1.
Open the document feeder access cover.
160
Chapter 9
Solve problems
ENWW