Cis Power Control; Guide Set Detection - Konica Minolta DF-619 Service Manual

6. OPERATION
6.3.9

CIS power control

• The CIS power switch is provided to prevent an electric shock that the user may receive
during a possible contact with the CIS module as he or she attempts to open the guide.
• When the DF is opened, it turns OFF the CIS power switch, thus shutting down power to
the CIS module.
• When the DF is closed, the lever pushes the CIS power switch to turn it ON, so that
power is supplied to the CIS module.
When DF is closed
CIS power switch (SW1): ON
6.3.10

Guide set detection

• The guide is provided to facilitate misfeed clearing procedures performed near the back
side reading position.
• The CIS under guide open/close sensor detects the guide in the closed position.
When the guide is closed:
CIS under guide open/close sensor: Blocked
22
Lever
Guide
CIS under guide open/close sensor (PS20)
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Theory of Operation Ver. 1.0 Jan. 2010
When DF is opened
Lever
CIS power switch (SW1): OFF
When the guide is open:
CIS under guide open/close sensor: Unblocked
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