AGFA Drystar AXYS User Manual page 105

1. First, print out the QC test image.
2. Check the QC test image visually for artifacts: no significant disturbing
artifacts should be visible.
3. Check the spatial resolution in each of the three circles (refer to item 1, 2
and 3 on the 'QC test image'). Within each circle there are three groups,
each consisting of five dots. All five dots of each group must be visible with
a magnifying glass. The smallest cluster of 5 dots is only visible if the
viewing conditions are good.
4. Check the Low Contrast Visibility at both the high (100 / 95%) and low
end (0 / 5%) of the density scale. You should be able to see the circle in
the square (refer to item 1 on the 'QC test image') and the upper circle
(refer to item 2 on the 'QC test image').
5. Record these values on Chart 3 ('Artifacts and Spatial Resolution Control
Chart').
Related Links
Performing the daily QC test
QC test image
Preventive maintenance schedule
Performing the annual QC tests
Geometric Consistency Test
To be able to notice fluctuations in image size and aspect ratio, you must
perform this procedure once a year.
1. First, perform the daily test.
2. Use the QC test image of the weekly test and measure the dimensions A
and B of the geometric square.
Drystar AXYS | Advanced Operation (key-operator mode) | 105
WARNING:
Good viewing conditions are important for the correct
interpretation of both diagnostic and test images. Make sure
that the light box intensity (luminance) is between 2000 and
4000 cd/m² (4500 and 6500 °K). Use a magnifying glass and use
shutters to collimate. Make sure the ambient light is low.
WARNING:
In case of significant artifacts, insufficient spatial resolution
or failure of any other recommended QC tests, the cause of
the problem must be identified, and corrective action must
be taken before the printer can be used for any further
clinical imaging.
on page 103
on page 96
on page 121
WARNING:
Make sure to measure distance A from the left edge of
the left line to the right edge of the right line and
2852D EN 20161128 1416