Service manual

252
SEP 2006
Ver. 1.1
DP-8020E/8020P/8016P
009 JAM Access Cover Open
Detection Sensor
(4th Paper Tray)
Cover is open. 0
Paper Tray Detection
Sensor
(4th Paper Tray)
Paper Tray is not
connected.
0
Upper Limit Sensor
(4th Paper Tray)
Upper Limit is detected. 0
Paper Tray Detection
Sensor
(4th Paper Tray)
Unit is connected. 0
Feed Motor Lock Signal
(3rd Paper Tray)
Normal. 0
Paper Tray Detection
Sensor 2
(3rd Paper Tray)
See Remarks. * Unit is connected.
Signal 1 = 1
Signal 2 = 0
A different signal
pattern, indicates that
the unit is not
connected, or CST 3
PCB is defective.
Paper Tray Detection
Sensor 1
(3rd Paper Tray)
See Remarks. *
010 Registration Sensor
(3rd Paper Tray)
Paper is detected. 0
JAM Access Cover Open
Detection Sensor
(3rd Paper Tray)
Cover is open. 0
Paper Tray Detection
Sensor
(3rd Paper Tray)
Paper Tray is
connected.
1
Upper Limit Sensor
(3rd Paper Tray)
Upper Limit is detected. 0
NP Sensor
(3rd Paper Tray)
Paper is not detected. 0
Registration Sensor
(4th Paper Tray)
Paper is detected. 0
NP Sensor
(4th Paper Tray)
Paper is not detected. 0
011 Corona Leak Detection Leak 0
F4 Mode (Check Input)
No. Function Condition
Message Display
Remarks
76543210