Alps Electric MD-1300 manual Printing Quality, Hue, and Resolution

Troubleshooting

Printing Quality, Hue, and Resolution

Black portions are printed using the four colors.

In color printing mode, grayscale portions are printed using a four-color grayscale. Black characters are also printed using a mixture of the four colors, if Multi-pass Black is turned on or the brightness is adjusted. To print monochrome portions in black only , turn Multi-pass Black off and adjust the brightness to 0%. To subject the overall image to monochrome printing, set Colors for Black & White.

Black is printed with the black ink, but gray portions are printed using four colors.

In color printing, grayscale intermediate colors (such as gray) are printed using four colors. If you want to print only in black ink, set the Document Type setting in the Paper tab in the Print dialog box to Monochrome Picture.

I would like to adjust the image quality of photographs without reducing character resolution.

Characters always print at the currently selected resolution (if an outline font is used). The image quality of photographs can be adjusted independently using the Halftone setting in the Quality tab.

There seems to be no difference between photographic output using mono- chrome printing at 1,200 dpi and images obtained by monochrome print- ing at 600 dpi.

In monochrome printing at 1,200 dpi, only the characters can be printed at 1,200 dpi. This is done by smoothing the 600 dpi images. The quality of photographs, however, differs little from that of images obtained by mono- chrome printing at 600 dpi.

True black cannot be obtained in either the Photo Realistic Paper mode or the 600 dpi Photo Realistic Finishing mode.

In any printing mode involving Photo Realistic Finishing, three colors are used for printing, i.e., cyan, magenta, and yellow. Black obtained by using these colors is inferior to the black obtained using black ink. For stronger black tones, we recommend that the four color ink cartridges be used to provide full color printing at 600 dpi, then that Photo Realistic Finishing be applied in Multi-page mode.

When plain or other coarse-surfaced paper is printed in color, ink is miss- ing from a number of points on the image.

When paper with a coarse surface is used for full color printing, ink will be missing from certain points where it was difficult to deposit. To correct this, you can attempt the following.

∙Set the Halftone setting in the Quality tab to Standard Dither for printing. The image will be coarse, but the ink will transfer to the paper more reli- ably.

∙If you have white ink, the image quality may be improved by providing a white undercoat.

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