Note:
i.
The direction (forward/reverse) is switched when the copyboard drive solenoid
is OFF.
ii.
The direction of the drive is maintained while the copyboard drive solenoid is
ON.
Table 3-102B
COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
3-4
CHAPTER 3 EXPOSURE SYSTEM
3. Mechanism of Copyboard Drive Assembly
The forward gear and reverse gear are rotating in the direction of the arrow (Figure
103B) while the main motor (M1) is operating.
The forward/reverse switching mechanism engages with either the forward gear or
the reverse gear depending on the orientation of the copyboard position sensor lever
and the state (ON/OFF) of the copyboard drive solenoid (SL2) operated by the start
position cam or reversal cam; when not engaged, the mechanism is said to be free, and
the copyboard can be moved by hand.
The above mechanism is used to move the copyboard forward and reverse or to
stop it.
Copyboard (rack)
Forward
Start position cam
Copyboard position lever
Copyboard drive gear (pinion)
Forward gear
Main motor gear
M1
Copyboard drive
solenoid (SL2)
Reversing cam
Reverse
Reversing gear
Forward/Reverse switching mechanism
Main motor
Figure 3-103B
Copyboard position
sensor lever
Down
Up
forward
reverse
stop (free)
ON
OFF
Copyboard drive
solenoid (SL2)
Содержание FC200
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