Epson SEIJ98006 Service Manual page 173

EPSON Stylus Color 900
Table 7-2. Connector Pin Assignment - CN5
Signal
Pin I/O
Name
1, 7 GND ---- Ground
2, 3, 5, 6 5 V I +5 voltage supply
4 PSC I Delay control at power off
Table 7-3. Connector Pin Assignment - CN6
Signal
Pin I/O
Name
1, 6 GND ---
2, 3, 4, 5 +42 V I
Appendix
Function
Function
Ground
+42 voltage supply
Table 7-4. Connector Pin Assignment - CN8
Pin Signal Name
1 ANODE1
2 ANODE2
3 GND2A
4 GND2A
5 COMa
6 COMb
7 GND2B
8 GND2B
9 ANODE3
10 ANODE4
11 GND2C
12 GND2C
13 COMc
14 COMd
15 GND2D
16 GND2D
17 VHV
18 GND
19 TH
20 LS2
21 LS1
Connector Summary
I/O Function
I Row A temperature detection analog signal
I Row A temperature detection analog signal
--- Ground for the Nozzle Row A
--- Ground for the Nozzle Row A
O Power voltage for the Nozzle Row A (black)
O Power voltage for the Nozzle Row A (black)
--- Ground for the Nozzle Row B nozzles
--- Ground for the Nozzle Row B nozzles
I Row C (Cyan) temperature detection analog
signal
I Row D (Magenta) temperature detection analog
signal
--- Ground for the Nozzle Row C
--- Ground for the Nozzle Row C
O Power voltage for the Nozzle Row C
O Power voltage for the Nozzle Row D
--- Ground for the Nozzle Row D
--- Ground for the Nozzle Row D
O Power supply for the comparator (Nozzle
Selector)
--- Ground
I Analog data from the thermistor on the printhead
I Phase B signal from the linear encoder
I Phase A signal from the linear encoder
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