DC5 User’s Manual
Basic Operation 2-13
2.6 How to change the media width
2.6.1 Pinch roller positioning.
The DC5 has 6 positions for the pinch roller, located on the right side: 50, 61, 76, 100, 120
and137cm (19, 24, 30, 40, 48 and 54 inch).
The DC5sx has 3 positions for the pinch roller, located on the right side: 50, 61 and 76cm
(19, 24 and 30 inch).
The line feed calibration (see section 2.3) depends on the loaded media width. The line feed
parameters are stored per user. So either the line feed calibration has to be redone when
the media width is changed or the user will have to switch to a pre-configured user with the
correct media width.
It is recommended to calibrate certain users for specific widths of vinyl and to change the
user when the media width is changed. Not changing the user when changing the media
width will eventually result in wrongly calibrated users and bad print quality.
When calibrating a certain user for a specific width, do the print and cut calibration (see
section 2.5) right after the line feed calibration. This calibration is also depended of the
loaded media width.
2.6.2 Using oversized media widths.
Preferably only use recommended media widths, listed in the specifications. Oversized
media can be loaded, but these materials will not perform within the regular Summa
specifications of tracking and accuracy.
When a user is calibrated for a certain media, then a line feed calibration test is done. When
the job sets the OptiTrac marks in the same location as the line feed calibration test then
the resulting job will be most accurate. Therefore it is recommended to use ‘automatic’ as
value for the OptiTrac parameter. But when oversized media is used then the OptiTrac
marks are printed outside the pinch rollers, which will reduce the accuracy considerably.
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