Canon PC770 Service Manual - Page 164

Points, Handling, Storing, Cartridge

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MAINTENANCE AND SERVICING IV. POINTS TO NOTE WHEN HANDLING/ STORING THE CARTRIDGE The cartridge is subject to the effects of the environment regardless of whether it has been opened or installed in the copier, and its properties change over time. The degree of change is dependent on the site/storage environment, and it is very important to take care when handling or storing it. A. Storing Without Removing the Seal When storing the cartridge at the workshop or the like, make sure that the conditions in Table 6-401 are respected with attention to the following: • avoid areas subjected to the direct rays of the sun. - avoid areas subject to vibration. • take care not to subject it to shocks or drop it. Normal (9/10 of period) 0° to 35°C/ 32° to 95°F Temperature Severe (1/10 High 35° to 40°C/ of period) 95° to 104°F Low -20° to 0°C/ -4° to 32°F Temperature fluctuations (within about 3 min) 40° -o 15°C/ 104° -0 59°F -20°C - , 25°C/ -4°F -o 77°F Humidity Normal (9/10 of period) 35 to 85%RH Severe (1/10 High 85 to 95%RH of period) Low 10 to 35%RH Atmospheric pressure 460 to 760 mmHg (0.1 to 1 atm) Table 6-401 Temperature/Humidity Conditions (storage) Temperature -20° to 40°C/-4° to 104°F Humidity 90% or less Table 6-402 Conditions (transportation) B. After Opening The photosensitive medium is organic photoconductor (OPC), and deteriorates when exposed to strong light. The cartridge also contains toner, and it is important to advise the user to handle it with care to avoid soiling. Make sure that the cartridge is placed in a protective box for storage. 1. Storing after Removing the Seal a. Avoid areas subjected to the direct rays of the sun-windows or bright places. Do not keep it inside a car for a long period of time. The cartridge should never be placed under the sun or inside a car for a long time regardless of whether it is kept in a box. b. Avoid areas where the temperature/ humidity is too high or too low or where such environmental factors change rapidly; e.g., near refrigerators. c. Avoid areas subject to dust, ammonium gas, or organic solvent gas. d. Keep the cartridge at 40°C or less. 6 - 2 COPYRIGHT 1994 CANONINC. CANON PC720.74011501T1R0EV.0 AUG.1994 PRINTEDIN JAPAN (IMPRIME-AUJAPON)

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MAINTENANCE
AND
SERVICING
IV.
POINTS
TO
NOTE
WHEN
HANDLING/
STORING
THE
CARTRIDGE
The
cartridge
is
subject
to
the
effects
of
the
environment
regardless
of
whether
it
has
been
opened
or
installed
in
the
copier,
and
its
properties
change
over
time.
The
degree
of
change
is
dependent
on
the
site/storage
environment,
and
it
is
very
important
to
take
care
when
handling
or
storing
it.
A.
Storing
Without
Removing
the
Seal
When
storing
the
cartridge
at
the
work-
shop
or
the
like,
make
sure
that
the
condi-
tions
in
Table
6-401
are
respected
with
attention
to
the
following:
•
avoid
areas
subjected
to
the
direct
rays
of
the
sun.
-
avoid
areas
subject
to
vibration.
•
take
care
not
to
subject
it
to
shocks
or
drop
it.
Temperature
Normal
(9/10
of
period)
0°
to
35°C/
32°
to
95°F
Severe
(1/10
of
period)
High
35°
to
40°C/
95°
to
104°F
Low
-20°
to
0°C/
-4°
to
32°F
Temperature
fluctuations
(within
about
3
min)
40°
-o
15°C/
104°
—0
59°F
-20°C
-,
25°C/
-4°F
-o
77°F
Humidity
Normal
(9/10
of
period)
35
to
85%RH
Severe
(1/10
of
period)
High
85
to
95%RH
Low
10
to
35%RH
Atmospheric
pressure
460
to
760
mmHg
(0.1
to
1
atm)
Table
6-401
Temperature/Humidity
Conditions
(storage)
Temperature
Humidity
-20°
to
40°C/-4°
to
104°F
90%
or
less
Table
6-402
Conditions
(transportation)
B.
After
Opening
The
photosensitive
medium
is
organic
photoconductor
(OPC),
and
deteriorates
when
exposed
to
strong
light.
The
cartridge
also
contains
toner,
and
it
is
important
to
advise
the
user
to
handle
it
with
care
to
avoid
soiling.
Make
sure
that
the
cartridge
is
placed
in
a
protective
box
for
storage.
1.
Storing
after
Removing
the
Seal
a.
Avoid
areas
subjected
to
the
direct
rays
of
the
sun
—windows
or
bright
places.
Do
not
keep
it
inside
a
car
for
a
long
period
of
time.
The
cartridge
should
never
be
placed
under the
sun
or
inside
a
car
for
a
long
time
regardless
of
whether
it
is
kept
in
a
box.
b.
Avoid
areas
where
the
temperature/
humidity
is
too
high
or
too
low
or
where
such
environmental
factors
change
rapidly;
e.g.,
near
refrigerators.
c.
Avoid
areas
subject
to
dust,
ammonium
gas,
or
organic
solvent
gas.
d.
Keep
the
cartridge
at
40°C
or
less.
6
-
2
COPYRIGHT
1994
CANON
INC.
CANON PC720.74011501T10
REV.0
AUG.1994
PRINTEDIN JAPAN (IMPRIME-AU
JAPON)