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1.2 Che
1.2
Checks
cks befo
before re Com
Check the following items before attempting to repair the machine.
Check the following items before attempting to repair the machine.
Operating environment
Operating environment
(1) The m
(1)
The machin
achine is
e is placed
(2) The mach
(2)
The machine is use
ine is used in a clean en
(50°F) and 32°C (89.6°F) and the relative humidity is maintained between 20% and 80%.
(50°F) and 32°C (89.6°F) and the relative humidity is maintained between 20% and 80%.
(3) Ensure the ma
(3)
Ensure the machine is not exp
(4) Keep the mach
(4)
Keep the machine horizo
this machine, make sure to use at least two people.
this machine, make sure to use at least two people.
Power supply
Power supply
(1)
(1) The AC inpu
The AC input power su
t power supply desc
±10% of the rated voltage.
±10% of the rated voltage.
(2)
(2) The AC
The AC input
input power
(3)
(3) The ca
The cables a
bles and harn
nd harnesses
(4 (4) ) Th
The fu
e fuse
ses ar
s are no
e not bl
Paper
Paper
(1) A rec
(1)
A recomme
ommende
nded typ
(2 (2) ) Th
The p
e pap
aper i
er is no
s not da
(3) The p
(3)
The paper i
aper is not s
s not short-g
Consumable parts
Consumable parts
(1)
(1) The drum uni
The drum unit (includi
t (including the toner car
Others
Others
(1 (1) ) Co
Cond
nden
ensa
sati tion
on
When the machine is moved from a cold place into a warm room, condensation may occur
When the machine is moved from a cold place into a warm room, condensation may occur
inside the machine, causing various problems as listed below.
inside the machine, causing various
• • Conden
Condensation on the surfac
sation on the surface of optical devices su
protection glass, etc., may cause light print image.
protection glass, etc., may cause light print image.
• • If the exposure drum is cold
If the exposure drum is cold, the electric
increased, making it impossible to obtain the correct contrast when printing.
increased, making it impossible to obtain the correct contrast when printing.
• • Conden
Condensation on the ch
sation on the charge unit may ca
• • Condens
Condensation on the plate and sepa
ation on the plate and separation pa
If condensation has occurred, leave the machine for at least two hours to allow it to reach
If condensation has occurred, leave the machine for at least two hours to allow it to reach
room temperature.
room temperature.
If the drum unit is unpacked soon after it is moved to a warm room from a cold location,
If the drum unit is unpacked soon after it is moved to a warm room from a cold location,
condensation may occur inside the unit which may cause printing failure. Leave the
condensation may occur inside the unit which may cause printing failure. Leave the
drum unit for one or two hours until it reaches room temperature, and then unpack it.
drum unit for one or two hours until it reaches room temperature, and then unpack it.
(2 (2) ) Lo
Low te
w temp
mper erat atur ure e
The motor may not drive normally under the low temperature environment. This is due to
The motor may not drive normally under the low temperature environment. This is due to
there being too much load to drive each unit. In this case, increase the room temperature.
there being too much load to drive each unit. In this case, increase the room temperature.
Commen
mencin
cing T
placed on a
on a flat,
flat, stabl
stable sur
e surface.
d in a clean environm
vironment where t
chine is not exposed to direc
osed to direct sunligh
ine horizontal whe
ntal when you carry it. T
n you carry it. To prevent inj
pply described on th
ribed on the rating p
power supply
supply is wit
is within th
hin the regul
e regulated v
esses are con
are connected
nected correc
t blow
own. n.
d type of pa
e of paper i
per is bei
s being use
ng used. d.
t damp
mp. .
hort-grained
rained paper
paper or acid
or acid paper
ng the toner cartridge and ton
tridge and toner box) is inst
problems as listed below.
e of optical devices such as the lens, reflecti
, the electrical resist
arge unit may cause corona ch
ration pad may cause paper feed prob
g Trou
rouble
bleshoo
shootin
face.
ent where the temper
he temperature is be
ature is between 10°
t sunlight, excess
t, excessive heat, moi
ive heat, moisture, or dus
o prevent injuries whe
uries when moving or lif
e rating plate of the m
late of the machine s
achine should be w
ated value.
alue.
correctly tly. .
paper. .
er box) is installed corr
alled correctly
ch as the lens, reflecting mirror
al resistance of the photosen
ance of the photosensitiv
use corona charge leaka
arge leakage.
d may cause paper feed problems.
ting g
tween 10°C C
sture, or dust. t.
n moving or lifting
ting
hould be within
ithin
ectly. .
ng mirror, and
, and
sitive layer is
e layer is
ge.
lems.
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