Pro 7900 and 9900 Field Repair Guide 10/6/10
Glossary Printer Component, Software Item, LCD Display, Printer Button Page 427.
Micro Weave: The way an Epson Ink Jet printer interlaces (weaves) bands of and image during
printing.
Moiré Pattern: A repetitive pattern, within an image, which is not intended. I can appear like a pais-
ley or herringbone pattern.
Nozzle Plate The portion of the Print Head that faces the media. The print head nozzles are drilled
in the nozzle plate.
Over Saturation: Too much ink has been applied to the printable surface for the media to support.
Paint Brush Effect: Something horizontally across the printed surface, that was not intended. Usually
caused by an ink soaked fiber hanging off the print head.
Pigment Ink: Ink that deposits colored particles (pigment) on the printed surface to create an
image. It is more durable than dye based ink, but does not have as wide a color
range (gamut).
Pixilated: An image quality issue that is caused by a low-resolution image printed at high reso-
lution.
PF Slant The heal/toe (camber) adjustment of the Print Head. It ensures that nozzle 1 and
nozzle 360 are equal distance from the media.
Platen Gap: The distance between the print head, and the printable surface.
Rippling: A term that refers to a condition caused by over saturated paper warping.
Saturation: The amount of ink applied to the printed surface.
Screening: The dot pattern placed on the printed surface to create and image. Also known as
dithering.
Skew: Crooked paper in the printer.
Smear: An image that has been rubbed by something, causing it to be deformed, or
smeared. The direction or any repetition of the smear should be noted.
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