Epson Stylus Pro 4000 Field Repair Manual page 204

Stylus Pro 4000 Field Repair Guide
Head Gap Adjustment:
Head ID:
Head Linear Adjustment:
Home Position:
Horizontal Banding:
Horizontal Over-lap:
Glossary
An electronic print head adjustment that ensures that the printer knows the exact distance between
nozzle sets on separate heads. Also known as Head L/R and Uni-Di...
The calibration value written on the print head that allows the printers electronics to
compensate for the print heads "personality" (inaccuracies).
A mechanical print head alignment that ensures that on a two-head ink jet printer that all the noz-
zles are on the same horizontal plane. (Also known as Head Height and BC Head Slant.) The right
head is moved in relation to the left head.
The print head's horizontal reference position, as determined by the Home Position
Sensor
An image defect that extends from the left, to the right margin (parallel to the direction
of print head movement). The defect could be a lighter or darker "band" than is
intended. It usually repeats, with the same interval, from the top margin to the bot-
tom.).
A type of horizontal banding, where multiple print head passes overlap while printing.
The banding looks darker than the intended image. Multiple passes of the print head
should place ink on the paper next to, but not on top of earlier passes.
Printer Component, Software Item, LCD Display, Printer Button
4/28/05
Page 204.