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4.7 T T rou
4.7
rouble
bleshoo
shootin
Problems
Problems
4.7.1 .1 New
4.7
New ton
toner er not
not det
<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
toner box sensor PCB
toner box sensor PCB
3 3
harness
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
4.7.2 T T oner
4.7.2
oner cartr
cartridge
idge not
<User Check>
<User Check>
• • Re-ass
Re-assemble
emble the ton
the toner car
• • Replac
Replace the toner ca
e the toner cartridge
S S t t e e p p
New toner sensor PCB failure
New toner sensor PCB
1 1
(Models without toner box)
(Models without toner box)
New toner box sensor PCB
New toner box sensor PCB
2 2
failure
failure
(Models with toner box)
(Models with toner box)
3 3
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
ting for T
g for Tone
oner Cart
detect
ected
ed
w toner cartrid
artridge(or bo
ge(or box).
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
not detec
detected
ted
er cartridge(
tridge(or box)
or box). .
rtridge(or box) wi
(or box) with a new one.
th a new one.
C C a a u u s s e e
failure
r Cartrid
ridge and D
ge and Drum U
x).
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
Replace the new toner sensor PCB ASSY
Replace the new toner box sensor PCB
Replace the new toner box sensor PCB
ASSY. .
ASSY
Replace the toner box relay
Replace the toner box relay PCB ASSY
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
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
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 . .
rum Unit
nit
uato tor r . .
PCB ASSY. .
PCB ASSY. .
PCB ASSY. .
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