376
x Overall Timing Chart
chap.8
Driving system
Master ejection section
Period Purpose Remarks
STBY
Standby
While the drum is at the home
position and the main motor
stops.
DTPS
Master detach-
ment position
While the drum stops at the
master detachment position.
During this period, the master
clump is open to perform master
detachment and the tip end of
the master is pulled to the mas-
ter ejection box.
ATPS
Plate attachment
position
While the drum stops at the
master attachment position.
During this period, the master
clump opens and the tip end of
a new master is clumped with
the master clump.
SLON
Paper feeding
solenoid ON
While the paper feeding sole-
noid is ON.
To connect the paper feeding
clutch.
Period Purpose Remarks
STBY
Standby
Standby state
RLUP
Rolling-up
While the master is rolled up to
the master ejection box.
To turn the rolling-up motor on
or off. The tip end of the master
is pulled and rolled up.
Controls rolling-up motor ON/
OFF depending on the drum
position, platemaking processed
length and the state of the mas-
ter ejection sensor.
Period Purpose Remarks
A-MOD
A mode
The master clump opening/
closing lever is positioned at the
A mode.
The master clump opening/
closing lever escapes to prevent
from interfering with the drum
during printing.
It is at this position during print-
ing.
B-MOD
B mode
The master clump opening/
closing lever is positioned at the
B mode.
To get ready to open the master
clump. The position with the
master clump closed.
The master clump opening/
closing arm is in the U-shape of
the opening/ closing lever. When
the drum rotates, the opening/
closing arm does not contact the
opening/ closing lever.
C-MOD
C mode
The master clump opening/
closing lever is positioned in the
C mode.
The master clump is opened at
the maximum to perform plate
detachment/ attachment.
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