GT-3 Series
7. Troubleshooting
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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 Quality 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 contact to your dealer or Brother. for further information.
<Note>
Color Maintenance Cartridge (option) is necessary to clean the Tubes with Maintenance Solution.
CMYK Print Head:
(1) Make sure your printer is in either [ Standby ] or [ Ready ] mode.
(2) Prepare Color Filter Cartridge*, Color Maintenance Cartridge (option*) and Maintenance Solution*. Confirm the room of
the Waste Ink Tank (200 ml or more). (* See "1-3-5. Consumable Requirements and Options" for part code.)
(3) Remove the Ink Cartridge whose Print Head will be replaced and insert Color Filter Cartridge. Select [ Maintenance ] and
[ Color Tube Cleaning ], select the Print Head to be replaced and press the OK Button.
(4) Clean the Tube and the Print Head. Remove the Color Filter Cartridge and insert Color Maintenance Cartridge. Fill the
Bottle with the Maintenance Solution of 250 ml or more and insert the Tube to the bottom of the Bottle.
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