Brother GTX-4 Service Manual

4-38
Improvement of print quality
(8) How about the results after performing the suction purge and pin check twice additionally?
(1)
From the menu, select [Head Cleaning] > [Powerful Cleaning] > [All Print Heads], and press
.
<NOTE>
 Dispose of any waste resulting from the cleaning in accordance with applicable laws and ordinances.
<TIPS>
 Then, the head cleaning will be performed to prevent any ink from drying up.
 Because the cleaning cup will be reused, rinse it in clean cleaning solution and store it in a safe place.
(2) Print out the nozzle check pattern.
(3) Perform the powerful cleaning once again.
(4) Print out the nozzle check pattern once again.
(5) Finally, print the nozzle check pattern once again and check the print results tried for three times.
<TIPS>
 Check the printed check pattern results against the check items (D) through (F).
 If non-ink ejection nozzle is not found -> OK
 (D) If non-ink ejection occurs in some specific nozzles. -> NG
* There is a possibility of nozzle clogging.
=> With reference to "5-1-4. Cleaning of head nozzle", clean the nozzles.
=> Print out the nozzle check pattern once again, and if the print quality is not regained, clean the head
with reference to "7-2-2. Head cleaning".
=> Print out the nozzle check pattern once again, and if the print quality is not regained, clean the head
with reference to "6-1-31. Replacement of print head".
 (E) Nozzles of non-ink ejection are horizontally in a row. -> NG
* There is a possibility of wipe failure.
=> "(9) After cleaning the surrounding areas of wiper and nozzle surface, is such failure cleared?"
 (F) Nozzles of non-ink ejection vary. -> NG
=> "(11) After cleaning the surrounding areas of wiper and nozzle surface, is such failure cleared?"

Brother GTX-4 Specifications

General

Brand	Brother
Model	GTX-4
Category	Printer
Language	English