HP Scitex LX850 HP Scitex LX850 & LX820 Printers: User's Guide - English - Page 29

Set the carriage beam position

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● The roll-to-free-fall with collector configuration (LX850 only) is suitable when you may want to cut the substrate and remove the output roll before the input roll is empty. The substrate is kept under tension between the input roll and the tension roller; but it can be cut after the tension roller because then it is no longer under tension. Set the carriage beam position The carriage beam position determines the vertical distance between the printheads and the platen. If it is too great, print quality will be impaired. If it is too small, there is a risk that the printheads will come into contact with the substrate, causing smears or damage. To set the carriage beam position, go to the front panel and select the Substrate menu , then Substrate management, and press OK. Select Carriage beam position. You can choose the highest position, a custom position or the normal position. ● The highest position is not used for printing: it may be used for loading substrate or for maintenance tasks. ● A custom position is used for thick substrates, or for substrates that wrinkle slightly due to heating. TIP: Try to avoid wrinkling by using substrates that do not wrinkle, or by using a slower print mode that will allow you to lower the drying temperature. We recommend setting the custom position to the thickness of the substrate plus two or three millimeters. The current setting is indicated in the front panel by a √ mark. Handle the substrate ● The normal position is suitable for unwrinkled substrates up to 0.7 mm (0.03 in) thick. WARNING! Keep away from the printer's moving parts until the carriage beam has reached its new position. ENWW Set the carriage beam position 25

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●
The roll-to-free-fall with collector configuration (LX850 only)
is suitable when you may
want to cut the substrate and remove the output roll before the input roll is empty. The substrate is
kept under tension between the input roll and the tension roller; but it can be cut after the tension
roller because then it is no longer under tension.
Set the carriage beam position
The carriage beam position determines the vertical distance between the printheads and the platen. If it
is too great, print quality will be impaired. If it is too small, there is a risk that the printheads will come
into contact with the substrate, causing smears or damage.
To set the carriage beam position, go to the front panel and select the Substrate menu
, then
Substrate management
, and press
OK
. Select
Carriage beam position
. You can choose the
highest position, a custom position or the normal position.
●
The highest position is not used for printing: it may be used for loading substrate or for
maintenance tasks.
●
A custom position is used for thick substrates, or for substrates that wrinkle slightly due to heating.
TIP:
Try to avoid wrinkling by using substrates that do not wrinkle, or by using a slower print
mode that will allow you to lower the drying temperature.
We recommend setting the custom position to the thickness of the substrate plus two or three
millimeters. The current setting is indicated in the front panel by a
√
mark.
●
The normal position is suitable for unwrinkled substrates up to 0.7 mm (0.03 in) thick.
WARNING!
Keep away from the printer's moving parts until the carriage beam has reached its new
position.
ENWW
Set the carriage beam position
25
Handle the substrate