VL2000 ug finalcomp.book - Kodak

Setting Up the Line Hole Sensor
Figure 101
Line hole sensor position, print tower GS
Cue rail
Line hole sensor
3. Make sure that the [L/D] (light/dark) switch on the line hole sensor
amplifier is set to light mode (L) (Figure 100).
4. Make sure that the [TIMER] switch on the line hole sensor amplifier is
set to Off.
5. Perform a preliminary adjustment of the line hole sensor to energize
on line holes as follows.
a. Jog the web so that the line hole sensor is over the center of a
hole.
b. Turn the line hole sensor amplifier [SENSITIVITY ADJUSTMENT]
screw completely counter-clockwise until you feel it click or hear a
clicking sound.
c. Turn the [SENSITIVITY ADJUSTMENT] screw clockwise until all
LED bars turn on brightly.
A hole is detected when all of the sensor’s LED bars are brightly
lit; the paper is detected when the LED bars begin to turn off from
top to bottom.
6. While slowly running the transport, move the line hole sensor along
the X axis (across the web) to the left edge of the holes and then to
the right edge of the holes. By observing the sensor’s LED bars, you
can find the left and right operating extremes and then position the
sensor in the center (which should be close to the center of the
holes).
7. Lock down the line hole sensor bracket at that position with the
locking knob.
Operator’s Guide 251