Theory of Operation 2-33
The latching mechanism is actuated by a small movement of the wiper. Through a
follower gear, the compound gear drives the tilt cam gear clockwise. A cam follower,
mounted on the lower end of the tilt arm, follows the rotating tilt cam gear and tilts the
printhead. After one revolution of the tilt gear, the latching mechanism is pulled back
into position by the return spring.
As viewed from the left side of the printer, when the arrows do not align, the tilt gear
is engaged.
To accommodate printhead maintenance, the printhead can be tilted back away from
the drum. This creates room for the wiper to be moved into position in front of the
printhead faceplate. The process drive drives the gears to the tilt compound gear train.
The drum maintenance camshaft drives the gear train to tilt the printhead.
Tilt Gear (Engaged)
Head Tilt Compond Gear
Tilt Drive Gear
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