HP Indigo press 3050 User Manual page 215

3
Bobbin cover with a
Phillips screw
Figure 15-3. Scorotron unit
4
Figure 15-4. Sliding corona grid out
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6
7
8
CAUTION Watch out for corona wire integrity. Mishandling it may break the wire.
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10 Mount a new stainless steel corona wire bobbin and fit it on the pin in the shaft.
11 Pick up the wire and place it over the tensing pulley at the other end of the scorotron.
12 Mount the PVC bobbin on the shaft and fit it on the shaft pin.
214 Chapter 15 Scorotron
Remove the grid by pressing the springy grid latch towards the grid, releasing it from
the fixed hook and releasing the latch
Grid latch
Slide one of the grids out. Release it from the fixed hook on the other end, and then
.
slide it all the way out
Repeat the procedure for the second grid.
Using a Phillips screwdriver, open the bobbin cover to expose the corona wire
mechanism (see Figure 15-3).
Remove the corona wire mechanism and place the stainless steel bobbin and the
PVC bobbin aside. Do this by lifting them both up and releasing the corona wire loop
from the idler pulley at the other end of the unit.
Replace the damper (see 'Replacing the damper' on page 216).
Thread the wire into the empty PVC bobbin shaft hole and return it by the second
hole. Secure by knotting. Loop the wire around the bobbin a few turns to ensure that it
is secured.
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Grids
Fixed hooks
ENWW