Pro 7900 and 9900 Field Repair Guide 10/6/10
Glossary Printer Component, Software Item, LCD Display, Printer Button Page 428.
Smudge: Something on the printed surface, that was not intended. Usually transferred to the
page because of contact with a dirty roller or the print head. Any repetition should be
noted and measured.
Sublimation Ink: Ink that is first printed on thermal transfer media, and then transferred using heat to
another surface.
Sympathetic Nozzle: A nozzle that is not intended to fire, firing in conjunction with an intended nozzle.
Tone: The specific shade of a color.
Trailing Edge The last part of the media to leave the printer.
Under Saturation: Not enough ink has been applied to the printable surface to properly saturate the
media.
Uni-D Adjustment:
An electronic print head adjustment that ensures that the printer knows the exact distance between
black and the other color nozzle sets. Also known as Head Gap.
UN-sharp: “Fuzzy “qualities in an image usually caused by too much dot gain.
Vertical Banding, Irregular: Vertical bands perpendicular to the direction of print head movement, that are not lin-
ear. Usually created by paper “rippling”, caused by over saturation.
Vertical Banding, Linear: An image defect that extends from the top, to the bottom margin (perpendicular to the
direction of print head movement). It usually repeats, with the same interval, from the
left margin to the right.
White Specks: A term that indicates that the intended image has small missing areas where no ink
has been deposited.
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