Brother GT-3 Series Service Manual page 281

6. Replacing Parts
7.
Mount the Cover Cartridge. (Refer to "6-1-2. Assembling/Disassembling of the Covers".)
8.
Load the Ink inside the Tube that you have replaced the Needle. The process is different between the
Color Ink and the White Ink. Follow the process in "2-6-2. Installing Ink". Prepare the Maintenance
Cartridge W and Maintenance Solution for White Ink.
9.
Print the Nozzle Check Pattern to confirm the print quality. (Refer to "2-6-2. Test Print")
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GT-3 Series