Perform Ink Supply Purge (Maintenance Mode 76); Check Head Nozzles (Maintenance Mode 09); Adjust Head Inclination - Brother MFC-J3520 Service Manual

2.2

Perform ink supply purge (Maintenance mode 76)

(1) Open the ink cartridge cover, set comparatively-new ink cartridges (having
sufficient ink) into the ink refill ASSY, and close the ink cartridge cover.
(2) Carry out a purge operation (with
1)Press the 7 and 6 keys in this order.
The machine displays "CLEANING ALL" on the LCD and enters the purge
mode.
2)Press the 4 and Mono Start keys in this order to start an initial purge.
The machine starts an initial purge that refills the ink supply tubes and the print
head with fresh ink.
2.3

Check head nozzles (Maintenance mode 09)

To check that the head/carriage unit normally sprays ink droplets from all head nozzles,
print out a nozzle test pattern with
(1) Press the 0 and 9 keys in this order.
(2) If dot missing or any other print quality problem is found, use
76 to perform an appropriate purge operation (refer to
"Purge Operation").
2.4

Adjust head inclination

(1) On your PC, save a copy of "Corrugate_BHM13.prn" to a USB flash memory or SD
card.
(2) Print test patterns on A4- or letter-sized paper, referring to
1.3.21 "Printout of PRN/JPEG Files in Memory Card (Maintenance mode 61)."
Tip: The test pattern can also be printed by opening "Filedrgs" on your PC and
dragging & dropping the above file onto the Brother Maintenance USB Printer
driver icon.
(3) Among the test patterns printed, check the D pattern.
If the number of the block that shows the most obscure red is 2, the adjustment is
complete.
If the number of the block that shows the most obscure red is 1 or 3, adjust the
inclination of the head/carriage unit using the procedure below.
Head inclination adjustment procedure

1) Switch the machine to the maintenance mode and press the 6, 3, Mono Start,
and * keys in this order to move the head/carriage unit to the adjustment
position.
2) If the number of the block that shows the most obscure red is 1, turn the
external ring to the positive side by 5 scale marks.
If the external ring cannot turn exceeding 3 to 4 scale marks, turn the external
ring to the +7 position.
If the external ring cannot turn exceeding 2 scale marks, turn the internal ring to
the +1 position and then turn the external ring to the center (0 position).
If the number of the block that shows the most obscure red is 3, turn the
external ring to the negative side by 5 scale marks.
If the external ring cannot turn exceeding 3 to 4 scale marks, turn the external
ring to the -7 position.
If the external ring cannot turn exceeding 2 scale marks, turn the internal ring to
the -1 position and then turn the external ring to the center (0 position).
Maintenance mode
Maintenance mode 09
4-15
76) using the steps below.
with the following steps.
Maintenance mode
Chapter 5, Section 1.3.29
Chapter 5, Section
Confidential