HP LF Printing Knowledge Center Proof a press with CMYK Application: Adobe Photoshop CS2 Printer: HP Designjet Z2100 series Software: HP raster driver Operating System: Mac OS X
The goal of a press proof is to accurately reproduce the output that would normally be printed from a press. Presses usually use Cyan, Magenta, Yellow and Black inks to create their artwork. In order to accurately reproduce a job from the press, we should also work with CMYK jobs rather than RGB (which is the color mode used by monitors, scanners and digital cameras). As today’s operating systems do not handle CMYK data (internally they work in RGB mode), we need to bypass it in order to work in CMYK.
• 4. Click OK. Open the image, File menu > Open…: If the document has an embedded color profile that does not match the current working space, select Use the embedded profile. Otherwise, select Assign working space; if the displayed image does not look correct, try assigning it to other color spaces with Edit > Assign Profile (try sRGB, Adobe RGB, Color Match RGB and others) until you are satisfied.
• 5. Click OK. Select your printer profile in the Proof Setup dialog box, View Menu > Proof Setup > Custom…: • Device to Simulate: Select the press profile of the output device you want to proof; printer profile generally depends on the printer model and the media type. If you don’t have it on the list, you should copy it in the next folder: /Library/ColorSync/Profiles. • Rendering Intent: Relative Colorimetric (select Absolute Colorimetric if you want to emulate the white of the paper).
• 6. Click OK. Adobe Photoshop Print with Preview… settings, File menu > Print with Preview…: • Page Setup: o Format for: Select the printer (ex. HP Designjet Z2100 24in Photo). o Paper Size: Select the paper size of the media loaded on the printer. o Orientation: Select the orientation of your image on the paper. o Click OK. • Set the Position and the Scaled Print Size you need. • Check Show More Options. • Select the Color Management tab: o Print: Check Proof.
7. Choose driver Settings, click Print. • Printer: Select the printer (ex. HP Designjet Z2100 24in Photo). • Select Paper Type/Quality in the drop-dawn menu: o Paper tab: • Paper Type: Select the media type that is loaded on the printer (same settings selected in Photoshop Printer Profile, always calibrated). • Quality Options: Standard and drag the slider to Quality.
• Color tab: o Select Print in Color. o Select Color Management > Application Managed Colors. NOTE Application manage colors was the recommended color management option in the step 6. Consequently the Printer managed colors option will be grayed out. Photoshop version 9.0.1 doesn’t gray out the non selected options. Ensure the selected option is the correct one.
• Click Print. You should consider that each person has their own perception and their own subjective opinion about the result; this is because there are various factors that can influence our opinions, such as the type of photo (portrait, landscape…), the source color space, the media used, the environmental conditions, the subjective perception about your own photo, etc.... This means the printing suggestion may not completely match with your own personal opinion.
For more information on HP Designjet products www.hp.com/go/designjet © 2006 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice. The only warranties for HP products and services are set forth in the express warranty statements accompanying such products and services. Nothing herein should be construed as constituting an additional warranty. HP shall not be liable for technical or editorial errors or omissions contained herein.