Gendex ORTHORALIX 9200 Service Manual page 120

Take note that in case of a big error in the position of the dark
area, even the central vertical line "a" could be not vertical with
of the R movement, also this problem will be solved.
3) layer in focus not in the right position (image too small or
image too wide)
the position of the layer in focus must be in the middle of the
central vertical line "a".
If not, the result is a too small or a too wide image (in the pan-
oramic the nominal value of the semi-projection is 80 mm) and
this could be corrected by changing the start position of the Y
movement.
Good Wrong
This is possible by entering the Service Programs and changing
the start position using the Y movement test and adjustment
program (see paragraph 4.3.2. of this Section F of the Service
Manual).
Gendex Dental Systems 4519-190-71193-7
Wrong
F-51
Printed on: 20 Apr 2012, 04:59:40 pm; Printed by: UWE.ZELLER
ORTHORALIX 9200 Service Manual
If the image is too wide, introduce negative correction number
by pressing the key s- on the operator panel (max -99).
If the image is too small introduce positive correction number by
pressing the key s+ on the operator panel (max +99).
4) horizontal line not flat
If not, verify:
a)
that the phantom is correctly mounted on the chin rest
b)
that the chin rest is correctly inserted in the byte block holder
c)
that the byte block holder is not damaged (resulting in a not
Take note that small undulation of the line "d" should be consid-
ered as normal, due to the manufacturing way of the phantom
itself.
(04.0)E