HP Designjet Z6200 HP Designjet Z6200 Photo Printer series - User's Guide: Eng - Page 96
Print 16-bit color images, Change the treatment of overlapping lines
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Print options NOTE: If you load sheet paper with skew checking disabled, the printer does not measure the length of the sheet, so the print preview will not be a reliable guide to the final printout. ● To preview a print under Windows, you have the following options: ◦ Use your application's print preview option. ◦ Check the Show preview before printing option, which you can find in the driver's Paper/Quality tab and Features tab. The preview may be provided in different ways, depending on your printer and printer driver. ● To preview a print under Mac OS, you have the following options: ◦ Use your application's print preview option. ◦ Click the Preview button at the bottom of the Print dialog box. This is the basic print preview provided by Mac OS. ◦ Check the Show print preview option, which you can find in the driver's Printing dialog, in the Finishing panel. ● To preview a print using the Embedded Web Server, select Basic settings > Hold for preview. Print 16-bit color images In a 16-bit RGB image, each of the three primary colors is encoded by a 16-bit value, so that each pixel takes up 48 bits. If you print your 16-bit color images through a printer driver, they will be reduced to 8-bit colors before they reach the printer. In order to send a 16-bit color image to the printer, you must save it as a 16-bit color TIFF or JPEG file, then send the file directly to the printer without using a printer driver (see Using the Embedded Web Server to print files on page 81). In this case, color management is done on the 16-bit color image, and is therefore done more accurately. The image is still reduced to 8-bit colors for final printing. TIP: Some applications refuse to save a 16-bit color image in JPEG format; others automatically reduce it to 8-bit colors. A TIFF file generally gives a higher-quality result, and is recommended. Change the treatment of overlapping lines NOTE: This topic applies only when printing an HP-GL/2 job. The merge option controls the overlapping lines in an image. There are two settings: ● Off: where the lines cross, only the color of the top line is printed. This is the default setting. ● On: where the lines cross, the colors of the two lines merge. To turn merge on, go to the front panel and select the Setup menu icon , then Printing preferences > HP-GL/2 options > Enable merge. You can set the merge option from your software in some applications. Settings in your software override the front-panel settings. 88 Chapter 6 Print options ENWW