Printer Setup Dialog


EasyCopy
Select the Printer Setup command in the File menu or press Printer Setup in the Print dialog.
EasyCopy Montage
Select the Printer Setup command in the File menu or press Printer Setup in the Print dialog
You have two options on Windows. The normal Windows printer drivers or the EasyCopy printer drivers. Note that using Windows printer drivers, The Printer Setup Dialog is unique for each printer as it is a part of the printer driver. It is therefore not documented here. Refer to your Windows or printer documentation.


The information provided below applies to the UNIX versions of EasyCopy and to the EasyCopy printers on Windows.

The Printer Setup dialog is used to set printer specific options. The available options are not the same for all printers. The options, their possible values, and constraints between choices are defined in the printer description file by which the printer is supported. Options are divided into three groups:

Paper
Describes media and media handling;
Appearance
Describes color and print quality;
Features
Describes other options for a given printer.

The dialog is divided into three "tabs" that correspond to this classification of options.

The System Administrator has a fourth tab for modification of Installable Options.

Only one of these groups is visible at a time. You switch to a given group by pressing its "tab".

The buttons in the bottom of the dialog are common for all three tabs:

OK
Press OK to accept the selected options and close the dialog.

If you have enabled Always Save Settings in the File menu the selected options are saved in your initialization file and will apply as default next time you start EasyCopy. Otherwise, the selected options only apply for the current session of EasyCopy, unless you press Save.

 
Cancel
Press Cancel to close the dialog without changing any options.

If you press Save and then Cancel your defaults have been changed, but your current settings remain unchanged.

 
Save
Press Save to save the selected options as defaults in your initialization file.

The button is dimmed if you have enabled Always Save Settings in the File menu. In this case options are are always saved when you press OK.

Paper Options

Paper options and their possible values are specific for each printer. Page Size, Source, and Media Type are commonly used paper options.

Page Size
This option is always present. It allows you to select the media size. Typical values are Letter, A4, etc.

This option defines the dimensions of the media itself. The maximum printable area is smaller. The absolute margins that limit the printable area for a given page size are shown in the Layout dialog.

If the printer supports custom definition of the page size you can choose Custom in the Page Size menu. This will open the Custom Page Size dialog.

 
Source
This indicates the media source (input tray). Typical values are Upper Tray, Lower Tray, Manual Feed, etc.
 
Media Type
Typical values are Plain Paper, Coated Paper, Transparency, etc. The choice of media type may influence the availability of EasyColor options, because EasyColor profiles are not necessarily provided for all possible media.

Some printers combine the choice of input tray and media type in the Source option.

Appearance Options (Color and Quality)

Added Saturation
This slider fine adjusts the color correction of image files provided by the EasyColor profile. It represents the tradeoff between reproducing a correct saturation and a correct hue in the printed color image. The slider is dimmed if EasyColor has been disabled or is not available.

Maximum Added Saturation (100) means that the saturation is as correct as possible. On printers with a poor gamut range this is obtained at the expense of the hue of highly saturated colors. Minimum (0) means that the hue is as correct as possible. Depending on the printer's gamut range this obtrudes poorly saturated (pale) colors. On most printers the default (50) results in a fair compromise between correct hue and correct saturation.

Decrease Added Saturation to compensate for dot gain on a printer with high resolution and good gamut. This gives a better reproduction of photographic images.

Increase Added Saturation if you print drawings and charts, especially if your printer has low resolution.

 
Blue Adjustment
This slider is used to fine adjust the reproduction of blue colors with EasyColor. You can reduce green or purple, depending on which compensation is necessary for your printer.

Blue is the most difficult color to reproduce correctly on a printer. It may happen that identical printers produce different blue colors from the same input. It may also happen, that the blue changes dramatically after you have replaced the ink or dye supply. In a few cases a printer can be so sensitive, that one image may print with fine colors and another one, almost identically, may print with all blue shades tilted towards green or purple.

 
Gamma
Use this slider to brighten or darken your printed images. High values give dark images.

The gamma value refers to the monitor's response curve. The image you see on the screen is affected by the non-linear response curve. This must be taken into account when a similar image should be printed.

The default is 2.20, except on Silicon Graphics workstations, where it is 1.70. These values reflect the most common system defaults.

You may need to adjust the value when you exchange image files between platforms.

Resolution
This menu is used to select resolution if the printer supports different resolution. However, the field is present (to give you resolution information) even if the printer only supports one resolution.

A few printers use different printer description files for different resolutions. EasyCopy will consider this as two (or more) different printers.

 
Print Quality

This menu is used to set specific combinations of other quality options to produce either Presentation or Draft quality. The menu is present if such combinations are defined in the printer description file. Normally, these quality settings refer to Shading Method and Scaling Method.

Choose Presentation to obtain the best quality. This is normally also the most time consuming printing method.

Choose Draft to obtain the fastest printing method.

Choose Customized if you want to set your own combination of quality options.

 
Scaling Method
The scaling method determines how an image is resampled when it is printed. Resampling is required unless the image size (in units of dots) is exactly the same as the input image.

The scaling methods are Replication, Interpolation, and Anti-aliasing. These are described in the topic Image Scaling.

You can choose scaling method only if Customized Print Quality is selected. With Draft or Presentation it is chosen automatically.

If scaling is done locally in the printer (PostScript printers) this option is not present.

 
Shading Method and Shading Matrix
The shading method (together with a shading matrix) determines how the printer driver renders color intensities. Shading Method and Shading Matrix are not present if shading is done locally in the printer (PostScript printers), or if the printer can vary the dot size to reproduce the desired color intensity without using raster patterns to render the color (dye sublimation and variable dot ink jet printers).

You can choose shading method and matrix only if Customized Print Quality is selected. With Draft or Presentation it is chosen automatically.

The available methods are described in the topic Image Shading.

Printer Features

The tab labeled Features includes those printer setup options that do neither belong to
Paper nor Appearance.

Mirror
This option enables a horizontal mirror of the printed image.
 
Data Encoding
This option is available for PostScript printers. It specifies the encoding of binary data (image data) in the Post-Script output file. The default is Auto Select. This means: You may select ASCII in the menu to force ASCII-85 encoding. This can be useful for troubleshooting if the printer produces unexpected output.
 
Compression
If a non-PostScript printer supports various compression schemes these can be selected from a menu.

 
LZW Compression
This option is available for PostScript level 2 and 3 printers. It specifies that the PostScript output file should be LZW-compressed before it is sent to the printer. LZW compression speeds up the printing of large files over slow I/O ports.

The LZW option is on by default, unless the printer is connected via TCP/IP (this connection is usually so fast, that the overhead induced by compression and subsequent decompression in the print engine exceeds the gain in download speed).

PostScript input files:
LZW compression applies to the entire input file, but the PostScript header provided by ecprint is not compressed.
Raster images:
LZW compression applies to the bitmap image data (after JPEG Compression, if both are specified).
LZW Mode
This option menu is available if LZW compression has been enabled. It is used to determine if the "prediction mode" of the LZW algorithm is employed; the performance is usually much better in prediction mode, but not all printers support it.
Auto Select
Prediction is used if the printer supports it.
No Predictor
Forces prediction off.
Predictor
Forces prediction on.
Prints are corrupted if Predictor is enabled and the printer does not support it. It may happen that EasyCopy's method to detect predictor support fails. In this case you must force No Predictor to get correct results.
JPEG Compression
This option is available for PostScript level 2 and 3 printers. It specifies that a raster image file should be JPEG compressed. This option is off by default. The box is dimmed if the file is a PostScript file.

JPEG compression employs DCT (Discrete Cosine Transform) encoding. This is a lossy compression method, in which the maximum compression is achieved, but with a possible compromise in image quality. It normally yields a higher compression than LZW, which is a lossless compression.

You may select both LZW and JPEG Compression, but LZW only improves the compression marginally, or even cause the resulting file to expand slightly, compared to selecting only JPEG Compression. The same may happen if LZW Compression is specified for a file that is already compressed, for example a PostScript file containing a compressed image.

JPEG compression operates on continuous-tone images with one or three components (gray level or color). Indexed images are automatically expanded to RGB before JPEG compression. The grade of compression is controlled with the Quality slider.

 
JPEG Quality
The grade of JPEG compression is controlled with the JPEG Quality slider.

The maximum compression is achieved but with a possible compromise in image quality.

The size of the file and the image quality are traded off. The slider can be set between 1 and 20. A quality of 1 (leftmost slider position) gives the highest compression at the expense of image quality. A quality of 20 (rightmost slider position) gives the highest image quality and a lower compression.

The compression ratio depends on the contents and size of the original image. Results in the range from approximately 50 : 1 (low quality) to 10 : 1 (high quality) can normally be expected.


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