Roland XJ 640 User Manual

2-2 Loading and Cutting Off Media
Chapter 2 Operation
29
Go around to behind the printer and move the media holders all the way to the left and right.
If the diameter of the media core is two inches, detach the end caps from the media holders and
replace them with the included media flanges.
Attach the media to the media holders.
Attach the media to the left media holder.

Move the right media holder to the left and attach the media.
Load the media while the left media holder is positioned close to...

2-2 Loading and Cutting Off Media
Chapter 2 Operation
30
	Grasp the location shown in the figure and align the left edge of the media with the mark.
If the media is moved too far to the right, grasp the right media holder at its outer side and shift it to the left.
CAUTIONNever attempt this operation while holding any location other than the one speci-
fied.
The media may fall from the media holder, resulting in injury.

Secure the media holders in place.
Tighten the retaining screws securely.Grip the...

2-2 Loading and Cutting Off Media
Chapter 2 Operation
31
2.Pass the media through the printer and secure it in place so that no slack occurs.
Pull out the media, pass its leading edge through between the pinch rollers and the grit rollers, and
feed it through as far as the platen.
Make sure the left edge of the media lies along the guide line.
Hold the media at the center and pull it out, being sure to keep it straight.
Make sure all areas of the media are taut.
Pull back the loading lever.
The media...

2-2 Loading and Cutting Off Media
Chapter 2 Operation
32
3.Attach the media clamps and close the front cover.
Attach the media clamps.
The media clamps are magnetic, and the left and right clamps are distinct. Refer to the figure and install them at
the correct positions, taking care not to let the left and right clamps get mixed up.
Close the front cover.
Useto select ROLL.
Press.
starts to flash. When initialization ends,
remains steadily lighted, and the printable
width is displayed.
Remove when...

2-2 Loading and Cutting Off Media
Chapter 2 Operation
33
How to Cut Off Media
To cut off the media, use. You can carry this out only whenis illuminated and the top menu screen is
displayed.
Procedure
Make sureis lighted, and press and hold
for one second or longer.
The screen shown in the figure appears.
Open the front cover and detach the left and
right media clamps.
Close the front cover.
Press.
The media is cut off.
You can make the setting in the software RIP for auto-
matic media cutoff after...

34Chapter 2 Operation
2-3 Settings for the Media Heating System
What Is the Media Heating System?
This machine is equipped with a media heating system that warms the media. You use this mainly to improve ink
adhesion and dry the ink. You can adjust the temperature settings to match the type of media and the printing speed.
WARNINGCaution: high temperatures
The platen and dryer become hot. Exercise caution to avoid fire or burns.
WARNINGRemove any loaded media or switch off the sub power when printing is...

2-3 Settings of the Media Heating System
Chapter 2 Operation
35
General Guide for the Preset Temperatures
The optimal temperature for the media heating system varies according to such factors as the type of media and
differences in the print mode. Use the following as a general guide and adjust accordingly.
General Guide for Adjustment
Preheater
Set this to a temperature that is the same as or lower than the temperature of the print heater.
You use the preheater mainly to heat media gradually. This is...

36Chapter 2 Operation
2-4 Starting Printing
Getting Ready to Receive Data from a Computer
When you have finished loading media and making the temperature settings for the media heating system, then follow
the steps below. This procedure enables the machine to receive data from the computer and perform printing.
Procedure
Close the front cover.
Make surelights up.
Wait untilstops flashing and stays steadily lit.
Make sure you are at the top menu.
If you are not at the top menu, press, then press....

37
2-4 Starting Printing
Chapter 2 Operation
Printing Tests and Cleaning
We recommend performing a printing test to check for problems such as dot drop-out before you carry out actual
printing. If problems such as dot drop-out are found, clean the print heads.
How to Perform a Printing Test
Holding downfor one second or longer prints
a test pattern.
You can print the test pattern where you want by using
to move the print-head car-
riage, then pressing
. The front cover may be
left open during movement,...

38
2-4 Starting Printing
Chapter 2 Operation
How to Perform Cleaning
When a printing test reveals dot drop-out or the like, perform cleaning for just the group of heads that is incapable of
correct printing. Compared with performing cleaning for all heads, this can reduce the amount of ink consumed.
Procedure
Press.
Press.
Useto choose the group of heads
that is not to be cleaned.
Use
to get rid of the group dis-
play.
Repeat this procedure to display the groups of
only the heads that require...