Epson STYLUS COLOR 3000 Service Manual page 131

Troubleshooting
Sensor
HP Sensor
Rear PE Sensor
Front PE Sensor
Release Sensor
Black Ink Cartridge
Sensor
Cyan Ink Cartridge
Sensor
Magenta Ink
Cartridge
Sensor
Yellow Ink Cartridge
Sensor
Black Ink End Sensor
Cyan Ink End Sensor
Magenta Ink End
Sensor
Yellow Ink End
Sensor
ASF PW Sensor
ASF PL Sensor
ASF PQ Sensor
Platen Gap Sensor
CR PW Sensor
Thermistor
∗: When it is closed, the output voltage level is 2.5V or higher.
†: When it is open, the output voltage level is lower than 2.5V.
5-2
Table 5-2. Sensor Status
Connector No.
Test pin No.
CN6
Pins 1 and 3
CN5
Pins 1 and 2
CN4
Pins 1 and 2
CN3
Pins 1 and 2
CN14
Pins 1 and 2
CN13
Pins 1 and 2
CN7
Pins 1 and 2
CN12
Pins 1 and 2
CN14
Pins 3 and 4
CN13
Pins 3 and 4
CN7
Pins 3 and 4
CN12
Pins 3 and 4
CN8
Pins 2 and 4
CN11
Pins 1 and 2,
Pins 3 and 4,
Pins 5 and 6
CN10
Pins 3 and 2
CN9
Pins 1 and 2
CN21
Pins 24 and 25 (GND)
CN18
Pin 2 and 3
Signal level Detected condition
∗
At the Home Position
Closed
†
Open Not at the Home Position
HIGH Paper loaded
LOW No paper loaded
HIGH Paper loaded
LOW No paper loaded
HIGH Tractor feed mode
LOW Friction feed mode
HIGH No black ink cartridge installed
LOW Black ink cartridge installed
HIGH No cyan ink cartridge installed
LOW Cyan ink cartridge installed
HIGH No magenta ink cartridge installed
LOW Magenta ink cartridge installed
HIGH No yellow ink cartridge installed
LOW Yellow ink cartridge installed
HIGH Black Ink end
LOW Black Ink remaining
HIGH Cyan Ink out
LOW Cyan Ink remaining
HIGH Magenta Ink out
LOW Magenta Ink remaining
HIGH Yellow Ink out
LOW Yellow Ink remaining
Analog data Maximum 10kΩ
HIGH Not set
LOW Set
Analog data Maximum 10kΩ
HIGH Thick paper side (+)
LOW Thin paper side (-)
HIGH Paper detected
LOW No paper detected
Analog data Maximum 10kΩ (at 24°C)
EPSON Stylus Color 3000 Service Manual