Brother International MFC-7050C Service Manual - Page 119

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Messages on the LCD CLEAN UP SCANNER SCANNER ERROR BLACK NEAR EMPTY PHOTO NEAR EMPTY COLOR NEAR EMPTY BLACK INK EMPTY PHOTO INK EMPTY COLOR INK EMPTY SET CARTRIDGES PLS OPEN COVER PC BUSY OR FAIL Probable Cause In the scanning compensation data list printed by the maintenance-mode function code 05 (refer to Chap. V, Section 3.2), less than fifty percent of the white level data is faulty. (This message may appear only in the maintenance mode) In the scanning compensation data list printed by the maintenance-mode function code 05 (refer to Chap. V, Section 3.2), fifty percent or more of the white level data is faulty. (This message may appear only in the maintenance mode) The ink dot counter in the EEPROM on the main PCB has counted up the specified number of dots, meaning near empty of ink. Even if any of these messages is displayed, color printing is still possible. The ink dot counter in the EEPROM on the main PCB has counted up the specified number of dots, meaning that the ink has run out. Once any of these messages is displayed, color printing is no longer possible. (If black ink remains, printing of the received data record or monochrome copying is possible.) This message appears when the power is first applied to the equipment after initialization of the ink dot counter in the EEPROM on the main PCB, prompting the user to set ink cartridges. If this message appears, open and close the top cover. The message may disappear if opening/closing the top cover removes the error. After connected with the host computer, the equipment has received no response from the computer. (A communications error has occurred.) If only an alarm beep is heard without any message on the LCD when the equipment is powered up, the ROM or RAM will be defective. VI - 2

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Messages
on
the
LCD
Probable
Cause
CLEAN
UP
SCANNER
In
the
scanning
compensation
data
list
printed
by
the
maintenance
-mode
function
code
05
(refer
to
Chap.
V,
Section
3.2),
less
than
fifty
percent
of
the
white
level
data
is
faulty.
(This
message
may
appear
only
in
the
maintenance
mode)
SCANNER
ERROR
In
the
scanning
compensation
data
list
printed
by
the
maintenance
-mode
function
code
05
(refer
to
Chap.
V,
Section
3.2),
fifty
percent
or
more
of
the
white
level
data
is
faulty.
(This
message
may
appear
only
in
the
maintenance
mode)
BLACK
NEAR
EMPTY
PHOTO
NEAR
EMPTY
COLOR
NEAR
EMPTY
The
ink
dot
counter
in
the
EEPROM
on
the
main
PCB
has
counted
up
the
specified
number
of
dots,
meaning
near
empty
of
ink.
Even
if
any
of
these
messages
is
displayed,
color
printing
is
still
possible.
BLACK
INK
EMPTY
PHOTO
INK
EMPTY
COLOR
INK
EMPTY
The
ink
dot
counter
in
the
EEPROM
on
the
main
PCB
has
counted
up
the
specified
number
of
dots,
meaning
that
the
ink
has
run
out.
Once
any
of
these
messages
is
displayed,
color
printing
is
no
longer
possible.
(If
black
ink
remains,
printing
of
the
received
data
record
or
monochrome
copying
is
possible.)
SET
CARTRIDGES
This
message
appears
when
the
power
is
first
applied
to
the
equipment
after
initialization
of
the
ink
dot
counter
in
the
EEPROM
on
the
main
PCB,
prompting
the
user
to
set
ink
cartridges.
PLS
OPEN
COVER
If
this
message appears,
open
and
close
the
top
cover.
The
message
may
disappear
if
opening/closing
the
top
cover
removes
the
error.
PC
BUSY
OR
FAIL
After
connected
with
the
host
computer,
the
equipment
has
received
no
response
from
the
computer.
(A
communications
error
has
occurred.)
If
only
an
alarm
beep
is
heard
without
any
message
on
the
LCD
when
the
equipment
is
powered
up,
the
ROM
or
RAM
will
be
defective.
VI
-
2