DUPLO SEIKO CORPORATION Duprinter DP-330, Service Manual

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39
z
Scanner Section
chap.2
Operation
When the scanner unit is closed, the switch is pressed; OPEN. the switch is attached to the plate spring,
which keeps the switch from too much pressure. When the scanner unit is open, the actuator is released; the
micro switch is turned to CLOSE.
Description
Opening and closing of scanner unit cover is detected by scanner unit cover open / close detection SW (MS3).
This machine does not work (except for the master cut SW and the jog SW) unless the scanner unit is closed
firmly. The machine stops immediately when the scanner unit is open. (after finishing platemaking if
platemaking is being performed.)
• When the scanner unit is opened •When the scanner unit is closed
Scanner open/close SW
When the scanner unit is closed:Open
When the scanner unit is opened:Close
M a i n P C B u n i t
Pink
Pink
CN4-14
-15
5V
5V
0
When the scanner unit is closed:0V
When the scanner unit is opened :5V
Circuit
(5) Scanner Unit Open / Close Detection
440W06e
440339
Scanner unit Scanner unit
Switch ON
Switch OFF