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4.7.3 T T oner re
4.7.3
oner replac
placement mes
ement message disp
<User Check>
<User Check>
• • Be sure t
Be sure to set a ne
o set a new toner c
• • Check th
Check that the genui
at the genuine toner ca
S S t t e e p p
1 1
N N e e w w t t o o ne
Connection failure of the new
Connection failure of the new
2 2
toner sensor PCB harness
toner sensor PCB harness
(Models without toner box)
(Models without toner box)
Connection failure of the new
Connection failure of the new
3 3
toner box sensor PCB harness
toner box sensor PCB harness
(Models with toner box)
(Models with toner box)
Connection failure of the
Connection failure of the
4 4
toner box relay PCB harness
toner box relay PCB harness
(Models with toner box)
(Models with toner box)
New toner sensor PCB failure
New toner sensor PCB
5 5
(Models without toner box)
(Models without toner box)
New toner box sensor PCB
New toner box sensor PCB
6 6
failure
failure
(Models with toner box)
(Models with toner box)
T T oner box relay
oner box relay PCB failure
7 7
(Models with toner box)
(Models with toner box)
High-voltage power supply
High-voltage power supply
8 8
PCB failure
PCB failure
9 9
M M a a i i n n P P C C B B f f a a i i l l u u r r e e
4. 4.7. 7.4 4 Dr
Drum
um er
erro
ror r
<User Check>
<User Check>
• • Clean
Clean the co
the corona w
rona wire of
• • Replac
Replace the d
e the drum un
rum unit wit
S S t t e e p p
Dirt on the electrodes of the
Dirt on the electrodes of the
1 1
drum unit and those of the
drum unit and those of the
machine
machine
Dirt on the electrodes of the
Dirt on the electrodes of the
2 2
high-voltage power supply
high-voltage power supply
PCB and those of the
PCB and those of the machine
High-voltage power supply
High-voltage power supply
3 3
PCB failure
PCB failure
4 4
M M a a i i n n P P C C B B f f a a i i l l u u r r e e
4.7.5
4.7.5 Drum re
Drum replace
placement mes
ment message di
<User Check>
<User Check>
• • Reset th
Reset the drum co
e drum counter ac
S S t t e e p p
1 1
M M a a i i n n P P C C B B f f a a i i l l u u r r e e
sage displayed on LC
layed on LCD is not cleared
w toner cartrid
artridge(or bo
ge(or box).
x).
ne toner cartridge
rtridge(or box) is s
(or box) is set.
C C a a u u s s e e
ner r ac
actu tua a t t o o r r c c o o m m i i n n g g o o f f f f
failure
PCB failure
ire of the dru
the drum unit
m unit. .
it with a new
h a new one.
one.
C C a a u u s s e e
machine
sage display
splayed on LCD is no
ed on LCD is not clear
unter according
cording to the ma
to the manual.
nual.
C C a a u u s s e e
D is not cleared
et.
R R e e m m e e d d y y
R R e e a a tt tta a c c h h t t h h e e ne
new w t t on
oner er a a c c t t ua
Reconnect the new toner sensor PCB
Reconnect the new toner sensor PCB
harness.
harness.
Reconnect the new toner box sensor PCB
Reconnect the new toner box sensor PCB
harness.
harness.
Reconnect the toner box relay PCB harness.
Reconnect the toner box relay PCB harness.
Replace the new toner sensor PCB ASSY
Replace the new toner sensor
Replace the new toner box sensor PCB
Replace the new toner box sensor PCB
ASSY
ASSY. .
Replace the toner box relay PCB ASSY
Replace the toner box relay
Replace the high-voltage power supply PCB
Replace the high-voltage power supply PCB
ASSY
ASSY. .
R R e e p p l l a a c c e e t t h h e e m m a a i i n n P P C C B B A A S S S S Y Y . .
R R e e m m e e d d y y
Clean the electrodes of the drum unit and
Clean the electrodes of the drum unit and
those of the machine. (Refer to Fig. 2-12 (P2-
those of the machine. (Refer to
56)
56)
and Fig. 2-13 (P2-56)
and
Fig. 2-13
(P2-56).) .)
Clean the electrodes of the high-voltage
Clean the electrodes of the high-voltage
power supply PCB and those of the machine.
power supply PCB and those of the machine.
Replace the high-voltage power supply PCB
Replace the high-voltage power supply PCB
ASSY
ASSY. .
R R e e p p l l a a c c e e t t h h e e m m a a i i n n P P C C B B A A S S S S Y Y . .
t cleared
R R e e m m e e d d y y
R R e e p p l l a a c c e e t t h h e e m m a a i i n n P P C C B B A A S S S S Y Y . .
uato tor r . .
PCB ASSY. .
PCB ASSY. .
Fig. 2-12 (P2-
ed
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