Roland XJ 640 User Manual

							49
Chapter 4
Maintenance and Adjustment
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							50Chapter 4 Maintenance and Adjustment
4-1 Daily Care and Maintenance
Disposing of Discharged Ink
The drain bottle collects discharged fluid. Dispose of collected material before the bottle becomes full. The message
shown in the figure appears when a certain amount of discharged fluid has collected in the bottle. Follow the proce-
dure below to discard the discharged fluid.
Resetting the discharged-fluid counter after disposal makes the message shown
in the figure disappear.
1.Choose the [DRAIN BOTTLE] menu item.
Press.
Press
several times.
Press.
Press
.
Press.
Press
.
Press.
Preparations are complete when this screen appears.
2.Empty the bottle by discarding the discharged fluid.
CAUTIONBefore you detach the drain bottle, be sure to wait for the screen to display EMPTY
DRAIN BOTTLE.
Failing to follow this procedure may cause discharged fluid to flow out of the tube and
spill, soiling your hands or the floor.
Press.
Upper limit
Discard before
this is reached.
MAINTENANCE
DRAIN BOTTLE
MENU
SUB MENU
EMPTY
        DRAIN BOTTLE
SUB MENU
MAINTENANCE
CHECK
          DRAIN BOTTLE
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							Chapter 4 Maintenance and Adjustment51
4-1 Daily Care and Maintenance
3.Attach the emptied bottle and reset the discharged-fluid count.
Attach the emptied bottle.
Press.
Pressa second time.
Press.
Press
to go back to the original screen.
WARNINGNever place discharged fluid near open flame.
Doing so may cause fire.
CAUTIONTo store discharged fluid temporarily, place it in the included drain bottle or in a
durable sealed container such as a metal can or polyethylene tank, and cap tightly.
Any spillage or vapor leakage make cause fire, odor, or physical distress.
Dispose of discharged fluid properly, in accordance with the laws in effect in your locale.
Discharged fluid is flammable and contains toxic ingredients. Never attempt to incinerate discharged fluid or
discard it with ordinary trash. Also, do not dispose of it in sewer systems, rivers, or streams. Doing so may have an
adverse impact on the environment.
MAINTENANCE
DRAIN BOTTLE
RESET DRAIN
                  COUNTER
W 1839mm
SETUP SHEET
      ROLL
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							Chapter 4 Maintenance and Adjustment52
4-1 Daily Care and Maintenance
Cleaning
WARNINGNever use gasoline, alcohol, thinner, or any other flammable material.
Doing so may cause fire.
CAUTIONBefore attempting cleaning, switch off the sub power and wait until the platen and
dryer cool (approximately 30 minutes).
Sudden movement of the machine may cause injury, or hot components may cause burns.
➢ This machine is a precision device, and is sensitive to dust and dirt. Perform cleaning on a daily basis.
➢ Clean by wiping with a cloth moistened by neutral detergent diluted with water then wrung dry.
➢ Never attempt to oil or lubricate the machine.
Grit rollers
Remove buildup of media and other material us-
ing a brush. Never use a metal brush.
Pinch rollers
Periodically wipe away any grime. Failure to clean
properly may result in the transfer of grime to the
surface of media.
Wipe away any buildup of ink or grime on the
media path.
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							Chapter 4 Maintenance and Adjustment53
4-1 Daily Care and Maintenance
Care and Maintenance of the Print Heads
Daily Care and Maintenance
Perform maintenance using the machines head cleaning feature.
 P. 37, Printing Tests and Cleaning, p. 54, When Head Cleaning Is Not Effective
Periodic Care and Maintenance
Periodic care is essential to ensuring optimal printing at all times. Based on your frequency of use, periodically clean
the heads using a cleaning kit.
 P. 56, Cleaning the Heads Using the Cleaning Kit
Note: The print heads are components that wear out. Periodic replacement is required, with the frequency of
replacement depending on use. Purchase them from your authorized Roland DG Corp. dealer.
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							54Chapter 4 Maintenance and Adjustment
4-2 When Head Cleaning Is Not Effective
Performing More Powerful Cleaning
When the problems such as dot drop-out are not cleared up by the normal cleaning, try the more forceful medium
cleaning or the even more forceful powerful cleaning. Note, however, that this consumes more ink than normal
cleaning, and too-frequent use may damage the print heads themselves. Avoid using it more than necessary.
In the same way as for normal cleaning, choose and clean only the group of a head that are incapable of correct
printing.
1.Choose medium cleaning or powerful cleaning.
Press.
Use
to choose MEDIUM CL. or
POWERFUL CL.
2.Specify the head group to clean.
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 cleaning.
Of groups A through C, cleaning is performed only for
the groups displayed.
3.Start cleaning.
Press.
If You Chose MEDIUM CL.
The screen shown in the figure appears, then cleaning
starts.
When it finishes, the screen shown in the figure ap-
pears. Go on to Step
.
If You Chose POWERFUL CL.
The screen shown in the figure appears. Go on to
Step
.
Group A Group B Group C
Printing-test results
CLEANING
MEDIUM CL.
MEDIUM CL.
            A    C 
MEDIUM CL.
            A B C 
MEDIUM CL.
            A    C 
CLEANING...
>>
ABC
CHECK
        DRAIN BOTTLE
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							Chapter 4 Maintenance and Adjustment55
4-2 When Head Cleaning Is Not Effective
Check the drain bottle.
If the amount of discharged fluid is near the upper-limit line, then remove the bottle, discard the
collected fluid, and reattach the bottle.
 P. 50, Disposing of Discharged Ink, step 2
Press.
The screen shown in the figure appears, then cleaning
starts.
When it finishes, the screen shown in the figure ap-
pears again. Go on to Step
.
Press.
Press
to go back to the original screen.
When Powerful Cleaning Is Not Effective
If problems such as dot drop-out persist even after you have performed powerful cleaning several times, then use the
cleaning kit to clean the heads. Such cleaning can be effective when carried out periodically, according to the fre-
quency of use.
 P. 56, Cleaning the Heads Using the Cleaning Kit
W 1839mm
SETUP SHEET
      ROLL
POWERFUL CL.
            A    C 
CLEANING...
>>
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							56Chapter 4 Maintenance and Adjustment
4-3 Cleaning the Heads Using the Cleaning Kit
When the Cleaning Kit Becomes Necessary
Periodic Care and Maintenance
Use the cleaning kit to perform head-cleaning periodically, according to the frequency of use.
When Dot Drop-out or the Like Occur Frequently
When the machines head-cleaning feature does not correct the problem, clean the heads using the cleaning kit.
➢If you use up the cleaning kit, purchase a new one from your authorized Roland DG Corp. dealer.
➢The print heads are components that wear out. Periodic replacement is required, with the frequency of
replacement depending on use. Purchase them from your authorized Roland DG Corp. dealer.
How to Perform Cleaning
Important Notes on This Procedure
➢Before attempting this operation, remove any media.
➢To prevent the heads from drying out, finish this procedure in 30 minutes or less.
➢A warning beep sounds after 30 minutes. At this time, stop work, close the front cover, and press
. When
the head-protection operation finishes, restart the procedure from the beginning.
➢Never use any implement other than the included cleaning stick. Cotton swabs or other lint-producing items
may damage the heads.
➢Never touch the nozzle surface of the heads.
➢Stroke the sponges very gently, applying as little pressure as possible. Never rub, scrape, or crush them.
CAUTIONBe sure to perform operations as specified by these instructions, and never touch
any area not specified in the instructions.
Sudden movement of the machine may cause injury.
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							Chapter 4 Maintenance and Adjustment57
4-3 Cleaning the Heads Using the Cleaning Kit
1.Change to the print-head manual-cleaning mode.
Press.
Press
several times.
Press.
Press
.
Press.
Press.
	Open the front cover and remove the maintenance cover.

Close the front cover and press.
The print-head carriage moves to the left side of the machine, and
then the screen shown in the figure appears.
Open the front cover.
Preparations are complete when this screen appears.
Touch the location shown in the figure to discharge any
static electricity.
Maintenance cover
MENU
SUB MENU
SUB MENU
MAINTENANCE
MAINTENANCE
CLEANING
FINISHED?
OPEN MAINTE-
NANCE COVER
OPEN FRONT
                     COVER
NOW PROCESSING..
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							Chapter 4 Maintenance and Adjustment58
4-3 Cleaning the Heads Using the Cleaning Kit
2.Clean using the cleaning stick. Be especially careful to clean away any fibrous dust (lint).
Clean in the sequence shown in the figure below.
Cleaning stick
Be sure to clean using one of the included cleaning sticks.
Never touch the nozzle surface.
Clean only the metal frame.Gently stroke the sponge.
Never rub with force.
Area to clean Area to clean
Area to clean Area to clean
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