3-35 Confidential
Adjusting the print head angle relative to carriage
For optimal image printing, the print head nozzle array must be perpendicular to the head/carriage
unit's line of travel. Manufacturing limitations, however, make perfect alignment impossible during
mass production. The angle must be adjusted at the individual machine level.
The following describes this adjustment mechanism's components and their roles.
Slider L, the slider, and the rib attach the head/carriage unit to the CR support chassis. The rib acts
as a pivot for the slider's damping springs pressing the head/carriage unit to the rear. Slider L has a
head skew adjuster knob that shifts the slider back and forth, adjusting the angle of this backward
pressure. Rotating the head skew adjuster knob tilts the entire head/carriage unit, thus adjusting the
head nozzle vertical angle relative to the carriage unit's line of travel.
This knob offers 15 settings, from -7 to +7.
Viewed from the bottom
Damping springs
Rib
CR encoder strip
CR timing belt
(Front)
Slider
Slider L
Head skew adjuster knob
(3_14)
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