Brother Gt3 Manual

 
 
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7-2-4. Changing the Print Direction 
When there are large gaps between the Print Heads and printed medium, or when printing on very high absorbent material, 
horizontal stripes and color graining can appear on the printed image. You can solve this problem using one-way 
Uni-Directional  print. If you adjust to a larger gap then we recommend this mode is used. Keep the clearance between the 
Clearance Sensor and the surface of the Print Heads  should be app. 2 mm by...

 
 
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7-2-6. Cleaning the Print Head Nozzles 
Use the Nozzle Cleaning Kit to clean the Head Nozzles (in the red square in the photo below). 
 
 
 
 
 
 
 
 
 
 
 
Pay careful attention in cleaning the clean Print Head Nozzles, wh ich are both delicate and expensive. The Print Head Nozzle 
should be cleaned only when it is needed as follows in “7-2-1 . Procedure for Solving the Print Quality Problems”. 
(1)  Make sure your printer is in either [ Standby ] or [ Ready ]...

 
 
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(7)  Wet the surface (nozzle plate) of the Print Head with Wash Liquid. Then rub softly the nozzle plate to remove ink and 
debris (clogged ink) from the nozzle plate until the nozzle pl ate is clean. Use a soft, clean and lint-free cloth to loosen and  
remove the dirty ink and debris from the Clean Applicator  to keep its surface clean and wet again with Wash Liquid. Use 
one Clean Applicator for each color.   
 
 
 
 
 
 
 
 
 
  The W3 and W4 Nozzles Plates of...

 
 
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(11) Execute Powerful Cleaning of all the Print Heads to remove the air bubbles in the nozzles. Print Nozzle Check Pattern to confirm the print quality. (See 7-2-3. Checking Print Qualit y with Nozzle Check Pattern). Execute Head Cleaning if 
necessary.  
 
7-2-7. Replacing the Print Head 
The print heads can be replaced the following steps. Please make c ontact to your dealer or Brother. for further information.   
  
Color Maintenance Cartridge (option) is...

 
 
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(5)  Select [ Maintenance ] > [ Color Tube Cleaning ] from the menu and select the Print Head to be replaced and press the 
OK Button. Color Tube Cleaning then starts. 
 
The Color Maintenance Cartridge will not produce air bubbles.   
(6)  After Color Tube Cleaning is finished, with Maintenance Solution filled, select [ Maintenance ] > [ Head Replacement ]  and press the OK Button.   
(7)  Select the Print Head to be replaced and press the OK Butt on. The...

 
 
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(12) Remove the plastic cover on the Carriage PCB. Disconnect the white cable (left) and remove the four claws on the both 
edges (right).   
 
 
 
 
 
 
 
 
 
 
 
 
 
(13) Remove the silicone tubes that are at tached the screws under the Carriage PCB (left), and remove the holes of the cover 
(right), and remove the plastic cover.   
(14) Pull out the black tabs at the both edges of Flat Cable of  the Print Head to the front side of the printer, and remove the...

 
 
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(15) Put on the gloves again. Rotate the Tube Connector (the white part over the Print Head) by 90 degrees (left), lift it straight 
up slowly and remove the Tube from the Print Head (right). Connect the fitting that you removed in step (10) to the Tube. 
Do not force to pull out the Tube from the Print Head, or t he junction may be damaged. Rotate the Tube little by little and 
move it straight up slowly.   
 
 
 
 
 
 
 
 
 
(16) Rotate the Lever to your  side...

 
 
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(19) Hold the knob of the Print Head (left) and push it downward so that the V-shaped groove can fit the Positioning Pin. Push 
down the Print Head to fix the corner of the Print Head by the Flat Spring (right).   
 
 
 
 
 
 
 
 
 
 
(20) Rotate the Lever to fix the Print Head. 
(21) Remove the protection film.   
 
(22) Remove the Fitting that inserted in the step (15), connect the Tube to the Print Head and fix the Tube by rotating the Tube  Connector by 90...

 
 
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(24) Mount the Plastic Cover over the Carriage PCB. Put it on the Carriage PCB in curl (left), and make the Condenser (big 
black part on the Carriage PCB) go through t he hole of the Plastic Cover (right).   
 
 
 
 
 
 
 
 
(25) Put the Plastic Cover so that the fold at the  back should cover the metal plate under the Carriage PCB.   
 
 
 
 
 
 
 
 
 
(26) Put the two screws through the holes on the front side of  the Plastic Cover (left), and apply the silicone...

 
 
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(34) Print the Standard Check Pattern to check the alignment if the Print Head is placed properly. 
 
If the Print Heads do not align properly, the printer cannot  make correct r colors. See the example below: Cyan Print 
Head does not align (shifted forward). C heck (17) and (18) in former page. 
    
Cyan moves up and Yellow and 
Magenta seems to move down. 
 
(35) If the quality is OK go on to the next section 7-2-8. Adju
stment after the Print Head has been...