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DD+DIS033.07E
Functional Description
DOCUMENT CONTROL NOTE:
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4
Calibrations
The following table lists the different Drystar Axys calibrations:
Characteristic
CDM
TH profile
Film
Smart Profile
Compliance Film
Film printed
Purpose of the
calibration
To determine new
reference values for
the CDM. This is
done via an external
densitometer.
To reduce vertical
macro banding
(vertical density
irregularities). Only
macro density
compensation is
possible (in opposite
to micro
compensation in
production).
To measure the film
sensitometry and to
use these values for
internal reference, so
that the printer
behaves linear
regarding density
reproduction. In
addition, the
maximum density is
adapted.
Equalization of TH
resistor drift in the
area of 10" film black
borders when
printing in mixed
format conditions
(mix of 10" and 14"
print width).
Make film calibration
this accurate, that it
passes the
acceptance criteria
as defined by
Afssaps / EUREF:
The default film
calibration procedure
is not necessarily
accurate enough.
To be done in
following
cases
•
Whenever the
internal
densitometer has
to be adapted to
an external
densitometer (for
image quality
control)
•
If density
reproduction
check is not ok
Unacceptable line
artifacts visible in
medical service test
image
•
At maintenance
•
To compensate
small density
variations of the
new film, when a
new film package
is used
•
During
the
troubleshooting
procedure. Refer
to chapter 3.3,
Troubleshooting
•
In certain cases
during
maintenance.
Refer to section 9,
Maintenance
•
Before the
Afssaps / EUREF
acceptance test
•
Each 6 months, if
the printer is
under control of
Afssaps / EUREF,
and it did not pass
the Afssaps /
EUREF calibration
check
Automatic
yes/no
No
No
Yes, but only if
switched on*
No No
* Automatic film calibration to be switched on via menu:
'2 Change settings - 5 Image Quality - 1 General - Select Default for Film Calibration
Edition 1, Revision 1
DRYSTAR AXYS
Chapter 2 / 18
06-2009 Type
5367/100
Agfa Company Confidentia
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