Procedure For Solving The Print Quality Problems - Brother GT-782 Instruction Manual

Problem
T-shirt is smudged with ink.
Ink dots smudged yellow area
where is next to black area.
Pale colors are getting
disappeared while printing.
White is uneven.
White is not white enough.

7-2-1. Procedure for Solving the Print Quality Problems

Follow the procedure (Step 1 to 7) below until the print quality problem is solved.
<Note>
The following steps are shown with CMYK Print Heads and do the same in case of White Print Heads.
Step 1: Clean the Print Heads by pressing the Head Cleaning Button.
Head Cleaning with flushing fresh ink can solve most print quality problems. See "7-2-2. Cleaning the Print Heads / Using the
Head Cleaning Button" and do it a maximum of five times. Check the nozzles by test printing of Nozzle Check Pattern (see
"7-2-3. Checking Print Quality with Nozzle Check Pattern "). If the problem is not solved, go on to the next step.
Cause
Print Heads hit garment
Waste ink spreads over the
Wiper Cleaner and spoils
around the Print Heads.
The Platen Sheet needs to be
replaced and is dirty.
Select Yellow / Black Printing of
Printer Driver.
The nozzles f the Print Heads
are getting dried under the
humid high-temperature
condition.
Pretreatment was not applied
enough or done unevenly.
Water drops on the
Pretreatment-cured surface
cause stains.
Pretreatment was not applied
enough.
Temperature was too low in
curing Pretreatment.
Some nozzles misfired by
checking the Nozzle Check
Pattern (see "7-2-3. Checking
Print Quality with Nozzle Check
Pattern "). The Print Heads need
to be cleaned.
White Ink Cartridges were not
shaken enough.
GT-782
Solution
Keep the surface flat (esp. both edges) and take care
in removing the wet T-shirt.
See "6-1-2. Replacing the Wiper Cleaner".
See "6-1-5. Replacing the Platen Sheet".
See "4-3-7. CMYK Color Inks for Color ink only".
See "7-2-10. Setting Extra Wipe".
Apply evenly. See "4-6-1. Applying the Pretreatment".
Do not wet the cured surface. See "4-6-1. Applying
the Pretreatment".
See "4-6-1. Applying the Pretreatment".
Press the Head Cleaning Button to clean the Print
Heads. Or select "Head Cleaning" menu. After
Head Cleaning, check the nozzles with "Nozzle
Check Pattern. If repeating this 5 times does not
solve the problem, see "7-2-2. Cleaning the Print
Heads".
Do the steps in "6-1-3. Loading / Retrieving White
Ink". Shake the White Ink Cartridges well.
7. Troubleshooting
(Continued on the next page)
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