HP Designjet T1100ps A1 User Manual
Here you can view all the pages of manual HP Designjet T1100ps A1 User Manual. The HP manuals for Printer are available online for free. You can easily download all the documents as PDF.
Page 41
Color Reproduction for the HP Large Format Color Copier products family. 41/52 3 3 . . 4 4 . . 1 1 M M e e t t h h o o d d Method defines the basic image enhancement to apply to the scanned image. It depends on the printer installed, but may have one of the following values: Continuous tone: used when the image has many colors and transitions among them. This method is used in the “Color Photo” type of original. Graphics: used for images where lines and edges should be sharp. Used...
Page 42
42/52 Color Reproduction for the HP Large Format Color Copier products family. 3 3 . . 4 4 . . 4 4 C C o o l l o o r r b b a a l l a a n n c c e e This setting is used to adjust the color balance for the whole image. If you find that the overall image has a color cast (e.g. it is too green) then you may correct it by modifying the color balance. You may set the Color balance value to RGB (Red, Green and Blue) or CMY (Cyan, Magenta and Yellow), depending on the selection made in...
Page 43
Color Reproduction for the HP Large Format Color Copier products family. 43/52 set. For example, to make the image bluer you may increase the Blue value or decrease both the Red and Green values. The entity of the color change differs depending on the direction you are heading. In other words, when moving towards positive values in RGB mode the appearance of the image changes slightly, whilst when moving towards negative values, the image exhibits a much bigger change. In CMY mode, it is the...
Page 44
44/52 Color Reproduction for the HP Large Format Color Copier products family. The following picture shows the effects of increasing the RGB values of an image: +R +G +R +R +B +B +G +B +G
Page 45
Color Reproduction for the HP Large Format Color Copier products family. 45/52 3 3 . . 4 4 . . 5 5 B B l l a a c c k k e e n n h h a a n n c c e e m m e e n n t t This setting is used to blacken all areas below the defined lightness level. It is employed to enhance the text parts of a document, when black text is copied as gray. Valid values range from 0 to 255. If 0 is selected, the image is not modified; if 255 is selected the whole image will be black. 3 3 . . 4 4 . . 6 6 B...
Page 46
46/52 Color Reproduction for the HP Large Format Color Copier products family. 3 3 . . 4 4 . . 7 7 S S h h a a r r p p e e n n This setting is used to sharpen the image. It enhances the edges between areas of different colors, thus resulting in better-defined text and edges. The strength of the sharpening is controlled by its value. 3 3 . . 4 4 . . 8 8 B B l l u u r r This setting is used to smooth the image. It is useful when the scanned original is...
Page 47
Color Reproduction for the HP Large Format Color Copier products family. 47/52 Although blurring is the opposite of sharpening, they do not cancel each other out. In fact, the two options can be usefully combined to blur away noise in the image first and then sharpen the result. Observe below the same example as before, with blur and sharpening applied. Note that now there is no “augmented noise” in the text area, compared with the result when only sharpening was applied. 3.5...
Page 48
48/52 Color Reproduction for the HP Large Format Color Copier products family. 3 3 . . 5 5 . . 1 1 M M e e t t h h o o d d Method defines the basic image enhancement to apply to the scanned image. It depends on the printer installed, but may have one of the following values: Graytone: used for pictorial images (pictures with many gray shades). B&W Threshold: used for pure B&W clear CAD drawings and/or text only documents, where the background is pure white and the text or lines...
Page 49
Color Reproduction for the HP Large Format Color Copier products family. 49/52 3 3 . . 5 5 . . 3 3 S S h h a a r r p p e e n n This setting is used to sharpen the image; it enhances the edges between areas of different colors (see the explanation in section 3.4.7). 3 3 . . 5 5 . . 4 4 B B l l u u r r This setting is used to smooth the image. It is useful when the scanned original is “noisy” (see the explanation in section 3.4.8). All comments made in section 3.4.8 regarding...
Page 50
50/52 Color Reproduction for the HP Large Format Color Copier products family. 4. GLOSSARY Background cleaning Image enhancement feature that whitens all areas above a defined lightness level. Typically used to avoid noise, stains or wear marks. Black enhancement Image enhancement feature that blackens all areas below a defined lightness level. Typically used to enhance text. Black ink only A print settings option that forces the printer to use only black ink. It is useful to avoid a color...