Roland VersaCamm SP-540V Service Notes page 87

5 Remove the ENCODER SCALE by removing the PLATE
fixing the ENCODER SCALE at its right end and the
SPRING on its left end.
Remove the SPRING PLATE from the ENCODER SCALE
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and fix it to the new ENCODER SCALE where there is no
black dot written on it.
Make sure not to make scratches or put
grease on the ENCODER SCALE when fixing
it.
Put the ENCODER SCALE in between the ENCODER
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PLATE and the GUIDE RAIL.
Then, fix the right end with the PLATE and hook up the
SPRING on the left end.
Make sure that the ENCODER SCALE is in place.
Do not loosen or tighten the screws fixing the
ENCODER PLATE.
Move the HEAD CARRIAGE in a whole width of the
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machine.
Make sure that the ENCODER SCALE doesn't make
contact with the ENCODER MODULE and also
ENCODER SCALE is between the slit of the
ENCODER MODULE.
SPRING
SPRING PLATE
SPRING
3-42
ENCODER SCALE
ENCODER PLATE
PLATE
BLACK DOT
ENCODER SCALE
PLATE
ENCODER PLATE