Service Manual
B-1
Figure B-1.
Inspection/check test pattern
8850-49
Top of
print
Bottom of
print
Horizontal
misregistration
Vertical
misregistration
Yellow
Green
Cyan
140
µ
140
µ
maximum
140
µ
maximum
Yellow
Green
Cyan
Convergence
adjust
This appendix illustrates the test pattern produced
by the print engine. It also illustrates horizontal and
vertical misconvergence. Horizontal misconverg-
ence is misconvergence parallel to the printhead.
Vertical misconvergence is misconvergence in the
direction the paper travels through the paper path.
100
µ
85
µ
You should see eight shades of color in these bars.
Readjust printhead temperature if you do not.
Appendix
B
Test Pattern