EPSON Stylus Color 900 Revision c
Appendix Connector Summary 174
Table 7-5. Connector Pin Assignment - CN9 Table 7-6. Connector Pin Assignment - CN10
Table 7-7. Connector Pin Assignment - CN11
Pin Signal Name I/O Function
1 COMe O Power voltage for the Nozzle Row E (Yellow)
2 GND2E --- Ground for the Nozzle Row E
3 GND2E --- Ground for the Nozzle Row E
4 ANODE5 I Row E temperature detection analog signal
5 B2 O Outputs dot selection signal to the Row B
(black)
6 GND --- Ground
7 B1 O Outputs dot selection signal to the Row A
(black)
8 GND --- Ground
9 C O Outputs dot selection signal to the Cyan row
10 GND --- Ground
11 M O Outputs dot selection signal to the Magenta
row
12 GND --- Ground
13 Y O Outputs dot selection signal to the Yellow row
14 GND --- Ground
15 CLK O Synchronization clock signal for dot selection
signal transmission
16 GND --- Ground
17 LAT O Latch signal to inform of a dot selection signal
transfer completion
18 GND --- Ground
19 INV O Inversion signal of the print data
(High without data)
20 COB I Black ink cartridge In/Out detection signal
21 COC I Color ink cartridge In/Out detection signal
Pin Signal Name I/O Function
1 PF A I/O Phase A Input/Output data
When inputting, connects a current from the
Phase -A to the ground via the coil.
2 PF B I/OB Phase B Input/Output data
When inputting, connects a current from the
Phase -B to the ground via the coil.
3 PF -A I/O Phase -A Input/Output data
When inputting, connects a current from the
Phase A to the ground via the coil.
4 PF -B I/O Phase -B Input/Output data
When inputting, connects a current from the
Phase B to the ground via the coil.
Pin Signal Name I/O Function
1 CR A I/O Phase A Input/Output data
When inputting, connects a current from the
Phase -A to the ground via the coil.
2 CR B I/O Phase B Input/Output data
When inputting, connects a current from the
Phase -B to the ground via the coil.
3 CR -A I/O Phase -A Input/Output data
When inputting, connects a current from the
Phase A to the ground via the coil.
4 CR -B I/O Phase -B Input/Output data
When inputting, connects a current from the
Phase B to the ground via the coil.
