ORTHORALIX 9200
Service Manual
F-50
Gendex Dental Systems 4519-190-71193-7
F.6
Adjustment procedures
F.6.1
Verify the centering of the system with
the image quality phantom
If the results obtained making a panoramic projection with the
image quality phantom are not in the tolerance (during the pro-
cedure to test the system centering as explained in the Section
C of this Service Manual paragraph Testing the centering of the
system), it is necessary to change the start position of the move-
ments following the procedure below:
1)
simmetry not correct
the semi-projections “b” and “c” must be equal, with a tolerance of
± 4 mm (nominal value with the central vertical line well focused
= 80 mm); if not, the start position of the X movement must be
changed.
This is possible by entering the Service Programs and changing
the start position using the X movement test and adjustment
program (see paragraph 4.3.1. of this Section F of the Service
Manual).
If the semi-projection on the right side (letter R on the film) is
bigger than the left side, introduce negative correction number
by pressing the key s- on the operator panel (max -99).
If the semi-projection on the right side (letter R on the film) is
smaller than the left side, introduce positive correction number
by pressing the key s+ on the operator panel (max +99).
Take note that in case of a big error in the simmetry, even the
central vertical line “a” could be not vertical with respect to the
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-
ment, also this problem will be solved.
2)
dark area not centered
the dark area must be centered with respect to the central vertical
line “a” with a tolerance of ± 2 mm; if not, the start position of the
R movement must be changed.
This is possible by entering the Service Programs and changing
the start position using the R movement test and adjustment
program (see paragraph 4.3.3. of this Section F of the Service
Manual).
If it is necessary to increase the right side of the dark area, intro-
duce negative correction number by pressing the key s- on the
operator panel (max -99).
If it is necessary to increase the left side of the dark area, introduce
positive correction number by pressing the key s+ on the opera-
tor panel (max +99).
(04.0)E
Printed on: 20 Apr 2012, 04:59:40 pm; Printed by: UWE.ZELLER
