Brother International MFC-7050C Service Manual - Page 66

Setting, after, replacement, Important, replacing, recommended, replace, cartridges, order, maintain

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Setting up the main PCB after replacement Important NOTE: When replacing the main PCB, it is recommended that you replace all ink cartridges in order to maintain accurate ink level information. Replaced with a new main PCB? N (Replaced with one used) Flash ROM or masked ROM on the new main PCB? Masked ROM Flash ROM Install the update program onto the flash ROM. (For details about the installation procedure, refer to Chap. II.) Upon completion of the installation, the facsimile equipment shows "Cycle Power Now" on the LCD. Unplug the equipment's power cord. V Disconnect the interface cable from the parallel interface port on the back of the equipment. V Plug the equipment's power cord. Make the equipment enter the maintenance mode and then perform the following: - EEPROM customizing [Function code: 74] - Ink dot counter initialization [Function code: 81] (Refer to Chapter V, Subsections 3.10 and 3.11.) Flash ROM or masked RO on the new main PCB? Masked ROM Flash ROM V Install the update program onto the flash ROM. (For details about the installation procedure, refer to Chap. II.) Upon completion of the installation, the facsimile equipment shows "Cycle Power Now" on the LCD. V Unplug the equipment's power cord. V Disconnect the interface cable from the parallel interface port on the back of the equipment. Plug the equipment's power cord. V Make the equipment enter the maintenance mode and then perform the following: - EEPROM customizing [Function code: 74] - EEPROM parameter initialization [Function code: 01] - Ink dot counter initialization [Function code: 81] (Refer to Chapter V, Subsections 3.10, 3.1 and 3.11.) Unplug the equipment's power cord. End IV - 34

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Setting
up
the
main
PCB
after
replacement
Important
NOTE:
When
replacing
the
main
PCB,
it
is
recommended
that
you
replace
all
ink
cartridges
in
order
to
maintain
accurate
ink
level
information.
Replaced
with
a
new
main
PCB?
Flash
ROM
or
masked
ROM
on
the
new
main
PCB?
Flash
ROM
Install
the
update
program
onto
the
flash
ROM.
(For
details
about
the
installation
procedure,
refer
to
Chap.
II.)
Upon
completion
of
the
installation,
the
facsimile
equipment
shows
"Cycle
Power
Now"
on
the
LCD.
Unplug
the
equipment's
power
cord.
V
Disconnect
the
interface
cable
from
the
parallel
interface
port
on
the
back
of
the
equipment.
V
Plug
the
equipment's
power
cord.
N
(Replaced
with
one
used)
Masked
ROM
Make
the
equipment
enter
the
maintenance
mode
and
then
perform
the
following:
-
EEPROM
customizing
[Function
code:
74]
-
Ink
dot
counter
initialization
[Function
code:
81]
(Refer
to
Chapter
V,
Subsections
3.10
and
3.11.)
Flash
ROM
or
masked
RO
on
the
new
main
PCB?
Flash
ROM
V
Install
the
update program
onto
the
flash
ROM.
(For
details
about
the
installation
procedure,
refer
to
Chap.
II.)
Upon
completion
of
the
installation,
the
facsimile
equipment
shows
"Cycle
Power
Now"
on
the
LCD.
V
Unplug
the
equipment's
power
cord.
V
Disconnect
the
interface
cable
from
the
parallel
interface
port
on
the
back
of
the
equipment.
Plug
the
equipment's
power
cord.
Masked
ROM
V
Make
the
equipment
enter
the
maintenance
mode
and
then
perform
the
following:
-
EEPROM
customizing
[Function
code:
74]
-
EEPROM
parameter
initialization
[Function
code:
01]
-
Ink
dot
counter
initialization
[Function
code:
81]
(Refer
to
Chapter
V,
Subsections
3.10,
3.1
and
3.11.)
Unplug
the
equipment's
power
cord.
End
IV
-
34