Canon GP200 Service Manual page 73

TNTR1
(initial rotation 1)
Power
SLEEP
saving
(sleep)
mode
(SLEEP 2)
Quick
start
mode
(SLEEP 1)
TNTR2
(initial rotation 2)
SCFW
(scanner forward)
SCRV
(scanner reverse)
LSTR (last rota-
tion)
COPYRIGHT © 1996 CANON INC.
Download service manual and resetter printer at http://printer1.blogspot.com
Period
From when the main
power switch is turned
ON or the front door is
opened/closed until
standby starts.
When the power switch
on the control panel is
OFF and the main power
switch is ON. Fax recep-
tion is enabled but printer
functions are disabled.
When the control panel
power switch is OFF and
the main power switch is
ON. Fax reception is
enabled and printer func-
tions are enabled.
From when the Copy
Start key is pressed until
the scanner starts to
move forward.
While the scanner is
moving forward.
• The distance over which
the scanner moves for-
ward varies depending
on the selected paper
size and reproduction
ratio.
• The distance at which the
scanner moves forward
varies depending on the
selected reproduction
ratio.
While the scanner is
moving in reverse.
From the end of SCRV
until copy paper moves
past the delivery sensor.
Table 3-102
CANON GP215/200 REV.0 JULY 1996 PRINTED IN JAPAN (IMPRIME AU JAPON)
3. OPERATIONS AND TIMING
Purpose
Measures the resistance
of the drum.
Turns OFF the loads
when the machine is not
used for a long time
(such as at night).
• Stabilizes the drum
sensitivity in prepara-
tion for copying opera-
tion.
• Executes shading cor-
rection.
The scanning lamp illu-
minates the original, and
the reflected light is pro-
jected on the CCD
through mirrors and
lenses.
Returns the scanner to
home position in prepa-
ration for the next copy-
ing operation.
Cleans the surface of
the drum as post pro-
cessing (removes
charges).
Remarks
For details on "power
saving mode" and
"quick start mode," see
the appropriate
descriptions under
"Power Supply."
The scanner moves for-
ward in reference to the
vertical path roller
paper detection signal.
Discharges the last
copy paper.
• In 2 min after the end of
LSTR, the indications on
the control panel return
to the Standard screen
indications. (The time
may be changed in com-
mon settings mode.)
3–19