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OPERATIONS
AND
TIMING
I
E.
Basic
Sequence
of
Operations
(Direct,
Continuous Copying
(2
sheets))
WMUPR
POWER
SWITCH
170°C
180°C
COPY
START
key
ON
(150°C) (160°C)
ON
SCRV
\7
V
X7
V
\
SCRV
\
WMUP
STBY
INTR
SCFW
SCFW
LSTR
STBY
^
AER
(,
t.
Primary
/
transfer
t,
Scanner
is
set for
HOME
position
Forward
Reverse
m
mm
*
Numbers
in
parentheses
apply
to
when
the
CT
unit
is
used.
Figure 3-8
Period
Purpose
Remarks
WMUP
From
switch
on
until
the
Allows time
for fixing
Warm-up
time
varies
(Warm-Up)
fixing roller
temperature
roller
to
warm
up
with
fixing roller
reaches
1
70°C
for
the
temperature
at
power
black developer
or
ON.
When
the
COPY
150°C
for
the
CT
unit.
START
key
is
lighting
(About
75 seconds
at
an
green.
ambient temperature
of
20°C)
WMUPR
Until
the
fixing
roller
Keeps
fixing roller
tem-
•
After
the
WMUPR
pe-
(Warm-Up
temperature reaches
perature uniform
riod
ends, the
rotation)
170°to180°Cforthe
READY/WAIT
indica-
black developer
or
1
50°
tor
changes
from
to160°CfortheCT
orange
to
green.
unit
•
Even
when
the
fixing
roller
has
warmed
up,
it
rotates
for at
least
4.2
seconds.
INTR
About 2.2seconds
after
Stabilizes
drum
sen-
A PAPER FEED
signal
is
(INITIAL
COPY
START
key
is
sitivity
to
prepare
for
generated
to
feed
first
rotation)
pressed
copying
sheet
of
copy
paper.
Note:
AE
mode: About
3.2
seconds
Non-AE mode:
About
2.2
seconds
Table
3-1
(a)
COPYRIGHT©
1992
CANONINC.
CANON
NP-1550
REV.1
SEPT. 1992
PRINTED
IN
JAPAN
(IMPRIME
AU JAP0N)
3-9
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