Change the media settings

[Automatic advance correction]

Prints yellow or black markers on the media that the printer uses as guidance to optimize the media step accuracy. Select [Normal]  to print the yellow markers or [Enhanced]  to print the black markers. Select [None]  when you do not want to print markers.

Use [Enhanced]  as a default for most media types. The printer can detect black markers more easily, which will result in the highest media step accuracy. Take note that these markers are visible with the naked eye, unlike the yellow markers. Black markers may have to be cut out from the printed output, depending on your applications.

Use [Normal]  for typically smooth, white, opaque, non-reflective media types, or when your applications demand markers that are not visible with the naked eye.

When the printer cannot read the markers, due to the media type used, a message appears on the operator panel. Select [None]  when both yellow and black markers cannot be read.

The use of markers has influence on the width of the print: [None]  adds no width but uses the 5.3mm default margin, [Normal]  (11mm margin), [Enhanced] (20mm margin).

NOTE

• This setting is enabled for the print modes [High Quality] , [Specialty] , [Superior] , [Matte Quality] , [Matte Specialty] , [Backlit]  or [Backlit Density] .

[Vacuum power] 

Controls the suction of the media on the platen. Per media category default values are used for each of the five zones available. Only change the vacuum power when you encounter problems:

• Make sure the values for zones A, B, and C are always higher than for zones D and E.

• Increase the vacuum power with steps of 10% when the vacuum power appears to be too low, e.g. when media is not flat on the printer platen.

• Decrease the vacuum power with steps of 10% when the vacuum power appears to be too high, e.g. when the leading edge of the media is blocked halfway across the printer platen, or when dark tracks are visible around the swath boundary and graininess is poor within swaths.

• Do not set the values below 30% when [Winding tension]  is set to [No tension bar]  or [Locked tension bar].

• Always re-calibrate the media after you changed the vacuum power.

Location of the zones A, B, C, D, E, with (1) media transport direction:

[Winding tension] 

Controls winding. For printing without winding or for winding without tension bar select [No tension bar] .

For certain media types it is necessary to wind the media with a tension bar in order to let it run smoothly. Select [Tension bar] for media that is weak and buckle-sensitive but not too stiff. Select [Locked tension bar] for media that is very stiff . Depending on what is selected here, the operator panel will display a request for taping media, locking, or placing a tension bar.

NOTE

After you have changed the setting, make sure to reload the media roll in the media drawer. Only then the change will take effect.

[Auto media advance] 

(previously [Automatic media jogging] )

Prevents pinch roller marks that can occur on sensitive media while it sits idle in the loaded position or while it lies on the printer platen for more than two minutes. When you create a new media profile, [Auto media advance]  is disabled by default. When enabled, this setting advances the media past the pressure point at the start of a print job or at the request of a manual cut. Depending on the media position, the setting can spool forward a longer media length.

NOTE

• After you have changed the setting, make sure to reload the media roll in the media drawer. Only then the change will take effect.

• After you finish printing on sensitive media, it is advised to roll up the media roll in the media drawer.

[Carriage elevation ] 

Controls the height of the carriage. When [Automatic]  is selected the optimal carriage height is automatically determined based on the [Media thickness ]  set in the media profile. It is advised to select [Automatic]  as this will result in the best print quality. Only select [Highest]  when you are experimenting with new media that can touch the carriage.

[Manual loading] 

Use this setting when you print on weak media. Mostly used with a leading strip of rigid media. Width detection will be done just before printing at the position of the printhead.

NOTE

• The setting only works when [Winding tension]  is set to [Tension bar]  or [Locked tension bar].

[Suitable for printer cutter ] 

Controls the use of the printer cutter. Disable the use of the automatic cutter when it is not suitable for the media type, for example with textile, canvas or heavy banners. When disabled the printer will request the operator to cut the media manually.

NOTE

After you have changed the setting, make sure to reload the media roll in the media drawer. Only then the change will take effect.

[Outer core diameter ] 

Fill in the outer core diameter of the media roll in millimeters. With this information and the data collected while printing jobs, the printer will calculate the remaining media length.

If the [Remaining length] is displayed as [Unknown] on the operator panel, continue printing until the remaining media length can be calculated.

NOTE

After you have changed the setting, make sure to reload the media roll in the media drawer. Only then the change will take effect.

[Media thickness ] 

Fill in the thickness of the media before the media is loaded for the first time This value represents the total thickness of the media, e.g. for self-adhesive vinyl, PVC including the liner.

The media thickness determines the printhead carriage height and must be set correctly in order to perform printhead carriage calibration.

NOTE

• An incorrect setting of the media thickness can lead to a wrong calculation of the length of the media on the media roll.

• The media thickness must be set correctly and is crucial for good print quality. Incorrect media thickness can lead to print quality artefacts like banding or unsharp fonts.

• After you have changed the setting, make sure to reload the media roll in the media drawer. Only then the change will take effect.

[Moist sensitivity] 

Prevents to print on media that might have been affected by humidity or moisture. When you create a new media profile, [Moist sensitivity]  is disabled by default: the value is set to 0. When enabled, the printer spools the media forward at the start of a print job or at the request of a manual cut after the defined inactivity time limit is reached: where value[1] is the longest time (1800 sec.), [2] (250 sec.), and [3] the shortest time (120 sec.).

By spooling the media forward, the part of the media that is on the platen or that sits idle in the loaded position is not used to print on. It is advised to use the moist sensitivity setting when you use paper-based media that is sensitive to and exposed to temperature and humidity variation. This way you prevent printing on waved and wrinkled media and the print quality is not compromised.

IMPORTANT

Incorrect moist sensitivity can cause waved and wrinkled media. This can lead to a carriage crash and can damage the machine, which may void your machine warranty service.

NOTE

• After you have changed the setting, make sure to reload the media roll in the media drawer. Only then the change will take effect.

• After you finish printing on sensitive media, it is advised to roll up the media roll in the media drawer.

[Printer platen temperature] 

Controls the temperature of the platen. Tune by decreasing or increasing the temperature to decrease the visibility of swath boundary artifacts or to improve ink adhesion. In case of gloss banding, which cannot be fixed via the precure power setting, optimize the printer platen temperature.

[Precure power] 

Controls the curing intensity of the LED for the first part of the curing zone. Default value is 0. Tune by decreasing or increasing the setting and minimize gloss banding, especially in dark areas. When you turn the [Precure power ]  completely off ink adhesion can improve, but this can result in gloss banding. The LED is off when the value is set to -5. Tune with small steps of 1 or 2 at a time.

CAUTION

Changing the curing settings can result in insufficient curing of the UV-ink layer. When you have changed the settings, wear Colorado 1640 approved gloves the first time you handle the printed output to prevent any possible contact with uncured ink.

IMPORTANT

Changing the curing settings can result in insufficient curing of the UV-ink layer. Especially in combination with the [Moist protection]  setting there is a risk the printer can get polluted. When the machine is polluted make sure you clean it or call your local service representative.

[Throughcure/Postcure power] 

Controls the curing intensity of the LED for the subsequent part of the curing zone. Default value is 0. Increase to get rid of smudges or not fully cured ink. Decrease to minimize the appearance of a white haze on dark areas. Decrease to limit heating of the media. The LED cannot be turned off.

CAUTION

Changing the curing settings can result in insufficient curing of the UV-ink layer. When you have changed the settings, wear Colorado 1640 approved gloves the first time you handle the printed output to prevent any possible contact with uncured ink.

IMPORTANT

Changing the curing settings can result in insufficient curing of the UV-ink layer. Especially in combination with the [Moist protection]  setting there is a risk the printer can get polluted. When the machine is polluted make sure you clean it or call your local service representative.

[Advance correction/Step correction] 

Controls the average step size for the selected media and print mode. Only change this setting when media calibration and [Automatic advance correction]  do not help enough in improving the print quality. Decrease, smaller step, to minimize light lines. Increase, bigger step, to minimize dark lines. When both light and dark lines are present, you cannot correct it via this setting.

NOTE

The [Automatic advance correction] setting will still work when you use [Advance correction] .

[Print strategy] 

Controls the print strategy used for layering the ink. By using the right print strategy, the ink is positioned in such a way you optimize the print quality and especially reduce artefacts at swath boundaries.

The [Print strategy]  setting can be selected in the following print modes: [Production] , [High quality] , [Superior] ,[Specialty] , [Matte speed] , [Matte production] , [Matte quality] , and [Matte specialty] .

For all the other print modes [Print strategy 1] is the default and cannot be changed. It is advised to always start with [Automatic], as this will give the best results for a wide range of media. Only for specific media or when you want to optimize print quality, especially reduce artefacts at swath boundary, you should select a different value. Always evaluate the print quality after you have changed the value.

• [Automatic]: automatically selects [Print strategy 1] when the [Printer platen temperature] is under or equal to 32 degrees Celsius. Automatically selects [Print strategy 2] when the [Printer platen temperature] is higher than 32 degrees Celsius.

• [Print strategy 1]: results in optimal quality when printing with lower printer platen temperature. Can show some gloss lines at swath boundary.

• [Print strategy 2]: results in optimal quality when printing with higher printer platen temperature. Reduces dark lines at swath boundary, can show some mottle-like artifacts.

• [Print strategy 3]: reduces gloss lines at swath boundary and improves text quality, but it can increase banding (darker/lighter lines) and graininess.

NOTE

• When you change the [Print strategy]  setting, the bitmap that is sent from the RIP to the printer is not changed. Nevertheless, the image processing in the printer differs per print strategy. This can result in, usually small but in some cases noticeable, differences in color.

• When color accuracy is very important, use re-linearization or re-profiling to optimize the color accuracy for the chosen print strategy.