Brother GTX-4 Service Manual page 496

2) Place a sheet of A4 or letter-size white paper as illustrated
below (Pretreated T-shirt is also acceptable).
If the paper tends to be floated, tape the corners.
3) Perform the following operation on the screen of the printer:
-> [Test Print] -> [Nozzle Check CMYK] ->
4) When printing is finished and the printer returns to Standby
mode, set a piece of black paper or transparent sheet (such
as OHP sheet) of A4 or letter size in the same manner as
step 2 (Pretreated black or dark T-shirt is also acceptable).
5) -> [Test Print] -> [Nozzle Check White] ->
6) Check the printed results for both nozzle check prints and
determine if there is a problem.
If missing nozzles are found as indicated by the arrows
below, there is a problem concerning the firing of the print
heads.
X0020
Even if the lines of the white-side printed result
are light, since white ink is fired from more than
one nozzle on the same place, the quality is not
TIPS
affected.
7) If any problem is found, perform a normal cleaning.
While the printer is in Standby mode, press
the head with the problem, and press
8) Check the nozzle check pattern again.
If the problem still persists, please contact your dealer.
X0140
, select
.
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