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Color Management THE PRINT STUDIO ART 12 Gabriela Robles

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Color Management THE PRINT STUDIO ART 12 Gabriela Robles Powered By Docstoc
					                                     THE PRINT STUDIO (ART 12)


Gabriela Robles – Studio Coordinator
gabyta@email.arizona.edu
520-626-4172
Office Hours: Tue & Wed 10-12 and 2-4

Digital Print Studio Open Hours:
Mon-Thurs 9am to 8pm
Friday 9am to 6pm
Sat and Sun 10am to 6pm

                               PRINTING STUDIO USAGE REQUIREMENTS
  -Students must sign in one day prior to session in order to secure spot and secure that the lab will remain
         open. If no students signed up, there is no guarantee the lab will be open for the entire day.
-15 min. use it or lose it rule. 15 min. late and you lose your spot.
-Students can book up to 3-hour sessions, one session at a time.
-Hand your CatCard to the monitor when you arrive (make sure you have enough money for your prints)
- Print costs vary depending on paper type and quality. Prices range from $3.50/SqFt to $5.00/SqFt
paper size.
-8.5 X 11 Sheet prints are $2.50 regardless of image size.
-own paper – we charge 2.50 sqft per image size
-CatCard payments only.
-Payment is required at the end of each print session.
-Before coming to print make sure that…
               1.      Your files are saved as .tif or .jpeg (photo students tiff only) / .psd
               2.      Your files are in RGB Color mode and 8-bit depth
               3.      Your Files are flattened
               4.      Your files are the size you want to print them*
-Studio is for printing and scanning purposes only.
-Make sure to label your Job with you First name in the print dialogue.
-Test prints are strongly recommended although they are charged for.
 -Do not leave prints overnight. If you have to, make sure they are protected and in a safe place (no corners
 hanging off drying table). The lab is not responsible for any loss.
-Download your images to computer inside “Temp Images” Folder
-Delete images form “Temp Images” folder at the end of the session.
-No Students allowed in the Host Computers and Monitor Area.
-Students are not allowed to change paper on printers.
-Students are not allowed to change ink cartridges.
-Everyone needs to take a Introductory Workshop in order to gain access to the printing facilities.
(Digital Print Workshop + Computer and Software Skills)
-No food or Drink in Studio (only bottle of water)
Printers

    MODEL                                              PRINTS           BLACK INK TYPE
     Epson Stylus® Pro 4800                           17” wide         (phatte black ink)
     Epson Stylus® Pro 7800                           24” wide         (matte black ink)
     Epson Stylus® Pro 9800                           44” wide         (phatte black ink)
       Epson Stylus® Pro 9900                         44” wide         Prints with both matte and photo black
       Epson Stylus® Photo R2400                      17” wide         (photo black ink)
       Epson Stylus® Pro 7500                         24” wide         Monochromatic Ink Set
                                                                           (grayscale)


The Scanners

    MODEL                                RESOLUTION                             MEDIA
     Epson V750 Pro                       6400dpi                      (film, slides or prints)
     Minolta Dimage Pro                                                (35mm/medium format)


Workstations
   4 PowerPC G4 computers all equipped with ImagePrint.
   4 PowerPC G5 computers all equipped with ImagePrint
  Stations 6, 7 and 8 are also equipped with CS3*

    AVAILABLE PAPER                                    PRICE/SQFT
Epson Premium Luster 260 gsm 44",24”                   $      3.5
Epson Textured fine Art Paper by Crane 24"                    4.5
Epson Enhanced Matte 44", 24”                          3.5

Breathing Color Elegance Velvet Plat Ed. 44",24”,17”   4.75

Breathing Color Optica One 44",24”,17”                 4.75

Breathing Color Allure Rag 44",36”,17”                 4.25

Breathing Color Chromata White Canvas 44"                     4.75

Breathing Color Economy Canvas 17"                            4.25

Breathing Color Adhesive Vynil 44”,24”                 4.00

Sunset Photo eSatin 300g                               per sheet 2.50
Sunset Photo Glossy 300 g                              per sheet 2.50

Sunset Fiber Matte 285g 17"                                   4.25

Hanhemuhle William Turner Matte 310 gsm 44"            5.00
                                        COLOR MANAGEMENT
Color Management (CM) is mostly about describing the color capabilities of different devices and linking
them together with a language that translates from one device to another.
In CM you talk about the color space of a device.
A color space is a range of color definitions describing the gamut (range of colors).
There are many different color spaces – sRGB, Adobe RGB 1998, Adobe ProPhoto for computer profiles,
but we also have paper profiles, camera and scanner profiles, printer profiles, etc…
A specific color space has a specific range of color gamut.
All devices work within their own color space.




       sRGB Profile                           Adobe RGB 1998                         Adobe ProPhoto

Devices that play a roll when creating Fine Art




Cameras                        Scanners                       Computers                      Printers
sRGB                           Adobe RGB 1998                 Adobe RGB 1998                 paper profile
Adobe RGB 1998                 Calibrated profile             Adobe ProPhoto
RAW                                                           Monitor Profile

Why Color Management?
Color Management is used for consistent colors and color translation between devices. If you go to the
store to buy some paint, you find color charts with huge variety of different colors to choose from. To
make one of these colors for you, the store mixes your colors from their basic colors. For each color on the
chart there is a recipe that determines how much of each color should be used in the mixture.
If you go to another store, you can find similar charts to create very similar color but to mix a similar color
can require a completely different mixture since their basic colors differ slightly.

This is how color management works in your computer. In computers you can create 16.7 million color
nuances from only three basic colors: red, green and blue. If you want to create a specific color nuance
you get a recipe of how much of each color should me added.
Every time you describe a color in an RGB image you only describe the amounts of red, green, and blue
color used to mix the color that the specific pixel has. Like different paint shops, different devices
(displays, cameras, scanners, printer, etc.) use different basic colors to show color.
Our eyes see color much the same way. In our eyes, we have sensors that react to blue (short
wavelengths), green (medium wavelengths), and red (long wavelengths) that makes it possible for us to
see different colors.

The Color Management System (CMS) needs to know the color space of a device for the translation of an
image file between different devices. Profiles are needed in order to properly transfer files from one
device to another device.
CMS uses CIE L*a*b* coordinate system for color transference and it must know the destination device’s
color space in order to send RGB/CMYK color values properly.

A common color space for image manipulation and printing in Photoshop is Adobe RGB 1998 or
ProPhoto color space for 16 bit images.

ICC Profiles
ICC Profiles are the language of color. Because devices such as monitors, cameras, and printers display
color differently, they use ICC Profiles to communicate how to display color accurately and consistently.
Profiles consist of 5 elements:
    1. Printer model: i.e. epX800Pro
    2. Black Ink type: i.e. Matte black (MK), Photo Black (PK) or Phatte Black (DK)
    3. Paper Brand and Type: i.e. Premium Luster Photo Roll = PremLustPhRll
    4. Printer Resolution: 720, 1440 or 2880
    5. Light Source to be viewed under: DAY, TUNG, ECWF, RF2, RF3




                    epX8Dk
How to soft proof colors with a profile in Photoshop
Go to menu: View > Proof Setup > Custom
Device to Stimulate: Choose Specific profile for printer/paper/light source
Rendering Intent: Perceptual or Relative Colometric
Check: Black Point compensation and preview

Most times, changes to your image’s original color will occur when a profile is assigned; However, this is
the main reason why we proof before printing, to prevent surprises.
Before proofing, create an exact replica of your image by selecting all (command + A), copy (command +
c), create new (command + n, enter) paste (command + v).
Put the two images next to each other, apply the profile to your original and adjust the changes with your
copy as a reference. You can adjust your image with Levels, Curves, Brightness and Contrast and
Hue/Saturation to get it as close as you desired color as possible.

When you have done this you can also check to see what colors in the profile are out of the gamut before
printing.
Go to menu: View
Check: Proof Colors
Check: Gamut Warning




Colors out of gamut will get colorized with a preset color. You have the option to adjust color areas out of
gamut with Photoshop tools like Levels or Hue/Saturation.
Rendering Intent
Rendering Intent is how to map colors out of gamut when moving between different color spaces. There
are two main rendering intents in Photoshop.

Perceptual Rendering: attempts to preserve color relationships so that visual relationships remain. (Shifts
colors over in an image when color is out of gamut)
Use this for images with intense clear or saturated colors outside gamut.

Relative Colometric: moves colors out of gamut into color space keeping colors inside the gamut the
same. Use for images with not so intense and saturated colors outside the gamut. This is the most widely
used rendering intent.

File Resolution and print size
An image file resolution is usually 300 to 360 ppi for good print quality.
What print resolution to use can also depend on viewing distance and personal preferences.

Printers view resolution in a different way. Printers print dots, images are composed of pixels.
Ppi and dpi do not work on a 1 on 1 basis. The resolution of the printer can be between 720dpi to 2880dpi
in a Rip software. The resolution establishes the “quality” of the image to be printed, but what it really
means is that the higher the dpi, the more ink on the paper and time of printing.
Higher resolutions make colors denser in printouts.
A recommended resolution for high quality results is 1440 dpi (best photo)

Printing with Image Print and Epson Printers

Open ImagePrint
Select Printer (4800,7800 or 9800)
Select Paper Size (if you want to customize the size of your print choose “User Defined” and enter
measurements)




Place image in layout page by opening the browser and selecting the images from a folder or drag the
image into the layout page.
On the bottom right corner of your window there are 5 buttons.



The far left button is to indicate whether you want borderless prints (doing so an extra 3 inches will be cut
of the roll paper and will be added to your print size)
The second to the right is to indicate whether you are printing on sheet or roll
The third button is to center image and center margins
The fourth right button is to allow multiple pages (most likely keep it at Auto Flow OFF)
The far right button is to include the name of the file called Annotation.

Go to image > color management >
For Printer/Paper: select the specific profile for the printer, paper and viewing condition. This is the most
important step to assure good print quality.
Select the rendering intent.




Note: If you can NOT find the specific profile for your printer/paper, ask monitors for help.

-If you want to do a colorized black and white then in the printer/paper you should select a gray profile
and in the colorize B/W section you should select a color profile for the same media and viewing
conditions stated before.

-The Shadow point compensation gives the user a small control over whether saturation or shadow detail
is more important. A setting of 100 gives the most shadow detail and 0 will result in richer blacks.

-The Stimulation Setup is designed for proofing and should most likely stay at None.
After you have reviewed your settings and have established a profile, it is time to print.
Go to File > Print




Job Name: Enter your name and print #
Select # of copies: (most times will be 1) and range of pages desired to print
Set Dithering dpi: 180 or 360 (choose the closest to your file resolution)
Check “AutoCut” if printing roll
Tray: Choose ASF if printing from the tray of the 4800, otherwise choose manual
Select Quality: 1440 4-pass (high quality print)

Click > Options




Select Media Type: Fine Art Roll (smooth or textured), Canvas, etc..
Select Cut Method: Normal (if printing sheet), Single or Double (if printing on roll, depending on paper
thickness) i.e. for canvas choose double cut.
Digital Print Studio Open Hours:
Mon-Thur 9am to 8pm
Friday 9am to 6pm
Sat and Sun 10am to 6pm

                               PRINTING STUDIO USAGE REQUIREMENTS
  -Students must sign in one day prior to session in order to secure spot and secure that the lab will remain
         open. If no students signed up, there is no guarantee the lab will be open for the entire day.
-15 min. use it or lose it rule. 15 min. late and you lose your spot.
-Students can book up to 3-hour sessions, one session at a time.
-Hand your CatCard to the monitor when you arrive (make sure you have enough money for your prints)
- Print costs vary depending on paper type and quality. Prices range from $3.50/SqFt to $5.00/SqFt
paper size.
-8.5 X 11 Sheet prints are $2.50 regardless of image size.
-own paper – we charge 2.50 sqft per image size
-CatCard payments only.
-Payment is required at the end of each print session.
-Before coming to print make sure that…
               5.     Your files are saved as .tif or .jpeg (photo students tiff only) / .psd are
                ok but not recommended, just take into account that printing .psd take longer.
               6.     Your files are in RGB Color mode and 8-bit depth
               7.     Your Files are flattened
               8.     Your files are the size you want to print them*
-Studio is for printing and scanning purposes only.
-Make sure to label your Job with you First name in the print dialogue.
-Test prints are strongly recommended although they are charged for.
 -Do not leave prints overnight. If you have to, make sure they are protected and in a safe place (no corners
 hanging off drying table). The lab is not responsible for any loss.
-Download your images to computer inside “Temp Images” Folder
-Delete images form “Temp Images” folder at the end of the session.
-No Students allowed in the Host Computers and Monitor Area.
-Students are not allowed to change paper on printers.
-Students are not allowed to change ink cartridges.
-Everyone needs to take a Introductory Workshop in order to gain access to the printing facilities.
(Digital Print Workshop + Computer and Software Skills)
-No food or Drink in Studio (only bottle of water)
 9900                                             R2400
44” wide                                         17” wide
PK and MK Profiles (depending on media type)     PK Profiles
Luster, glossy or matte papers                   glossy or luster papers
Roll or sheet                                    sheets only


9800                                             7500
44” wide                                         24” wide
DK Profiles                                      Prints through photoshop
Glossy , luster or matte papers                  matte only
Roll or sheets                                   roll or sheets


7800
24” wide
MK profiles only
Matte papers only
Roll or sheets

4800
17” wide
dk profiles
matte, glossy, or luster papers
roll and sheets
has a tray (ASF) for paper for multiple copies

				
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