Tektronix PHASER 380, Service Manual

Page: 130 / 346

5-28
Phaser 380 Color Printer
5
Theory of Operation
Figure 5-16 Printing the single scan pre-transfer image on the drum
1 of 4
2 of 4
3 of 4
4 of 4
1 of 4
2 of 4
3 of 4
4 of 4
Output of four
side-by-side jets
Column of pixel dots
produced by four
adjacent jets are
interlaced together
for 300 dpi printing.
Each jet produces
28 pixel columns.
For 600 dpi printing,
each jet produces
56 pixel columns.
Columns of pixel
dots produced by
previous set of four
adjacent jets. Note
how the ending
columns of this set
interlace with
beginning columns
of the next set of
four jets.
9661-85
117 pixel-wide
field traveled by a jet
28 pixel
separation
between jets
2 Step
2 Step
1 Step