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1159SBM0300A,
Ra DRIVE SYSTEM
Main Drive Motor MI of this copier is used to drive the Imaging Unit, paper take-up and
transport mechanisms, and Fusing Unit. its drive is transmitted via gear trains as follows.
1159MO042AA
1189SBM0400A
um OPERATIONAL
SEQUENCE
*Figures given in [] in the following flowchart represent timer values in seconds.
A | Power Switch $1 is turned ON.
DC24V (PU1)
DC5V
———.
Control
panel
Ozone Fan Motor M3 turns at full speed.
Approx. 500ms
eee
Approx.
Is
e Ozone Fan Motor M3 turns at half speed.
Heat Roller
Scanner Home Position Sensor PC11
*Scanner Drive Motor M4 is energized to move it to the
home position.
Lens Home Position Sensor PC12
*Lens Drive Motor M5 is energized to move it to the home
position.
Starter set sequence and ATDC automatic adjustment
(After the warming-up cycle is completed)
*Only when the Imaging Unit is new.
Fuse is blown when the starter setup sequence is normally
terminated.
|B | Fusing Unit temperature is detected at 200°C.
| Fusing Thermistor THI detects 200°C. |
=
Heat Rollers
"Fusing temperature control starts.
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