Print double-sided with automatic cut

Introduction

NOTE

Double sided printing is only available when you have installed the modification kit for double-sided printing.

The Colorado 1640 offers the possibility to print on the inside as well as on the outside of the media, which indirectly provides the user a way to print double-sided.

To print double-sided, first print on the outside of the media and then print on the inside.

Before you begin

Use automatic advance correction (AAC) to achieve an optimal x-registration.

AAC prints yellow or black markers on the media that the printer uses as guidance to optimise the media step accuracy. See "Change the media settings" in the operation guide.
Use the tension bar (locked).

In case the media is normally (single-sided) printed without tension bar, switch to the locked tension bar mode.

You can change this tension bar setting for the media type in the RIP. Change from [No tension bar] to [Locked tension bar].
Do not enable automatic media advance or moist sensitivity settings.
If necessary calibrate media.

Print on the outside	Print on the inside

Strip	Function	Length of the strip
1	Leading strip	1600 mm
2	Lead-in image	250 mm
3	Lead-out image	250 mm
4	Trailing strip	1600 mm
5	Leading strip	1600 mm
6	Lead-in image	250 mm

Be aware you have to rotate the job for the inside 180 degrees.

The lead-in and lead-out images are used by the AAC to measure and correct the additional media step errors caused by the ink layer of side 1, while printing side 2.

Procedure

Load an empty take-up roll core onto the roll winder.
Load a media roll on position 1 in the media drawer, see "Load a media roll (position 1)" in the operation guide.
On the operator panel tap on the [System] icon.
Change the leading and trailing edge length to 1600mm under [Default settings].
On the operator panel tap on the [Media] icon.
Select the required media and media width.
Prepare a nest of prints for the outside of the media in one of the supported RIP software applications.
In ONYX the nesting function is called [Group jobs]. Change the group setting from [Conserve media] to [Group jobs together]. The RIP will not change the order of the images and will treat all jobs in the group as 1 image.

The nest includes:
- a lead-in image (in any colour)
- the user images
- a lead-out image (in any colour)
NOTE
Please note that when you apply additional space between the separate images, you have to subtract this additional space from the 1600 mm at the trailing edge.
Submit the job to the printer and follow the instructions on the operator panel to print the first side.
Cut the media automatically when the print is completed and follow the instructions on the operator panel.
Remove the take-up media roll from the winder, see "Unload a take-up media roll from the roll winder" in the operation guide.
Place a new empty take-up roll core and push the media shaft back on the winder.
Load the media roll for inside printing on position 2 in the media drawer, see "Load a media roll for inside printing" in the operation guide.
Prepare the nest of prints for the second side of the double-sided print in one of the supported RIP software applications.
The nest includes:
- a lead-in image (in any colour)
- the user images
NOTE
Depending on the application you may need to rotate or mirror the images for side 2.

NOTE
Change the trailing strip to 0 mm in the [Default settings] on the operator panel.
Submit the job to the printer and follow the instructions on the operator panel to print the second side.
Cut the media automatically when the print is completed and follow the instructions on the operator panel.
NOTE
Change the leading strip to 0 mm in the [Default settings] on the operator panel when double sided printing is completed.

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Print double-sided with automatic cut

Introduction

Before you begin

Procedure