User Guide

EPSON Stylus Scan 2500 Revision A
Appendix Connector 144
Table 7-7. Connector Pin Assignment-CN8
Pin No. Signal Name I/O Function
1 PF-A O Phase drive signal (A)
2 PF-B O Phase drive signal (B)
3 PF-/A O Phase drive signal (/A)
4 PF-/B O Phase drive signal (/B)
Table 7-8. Connector Pin Assignment-CN9
Pin No. Signal Name I/O Function
1COB I I/C Black detect
2 COC I I/C Color detect
3 THM I Thermometer detect system
4 GND O Ground
5 LAT O Head data latch pulse output
6 GND O Ground
7 SI6 O Head data output (6)
8 SI5 O Head data output (5)
9 SI4 O Head data output (4)
10 SI3 O Head data output (3)
11 SI2 O Head data output (2)
12 SI1 O Head data output (1)
13 GND O Ground
14 CLK O Clock pulse for head data transfer
15 GND O Ground
16 NCHG O Head all on pulse output
17 GND O Ground
18 VDD O Logic power supply (+5V)
19 GND2 O Ground
20 GND2 O Ground
21 GND2 O Ground
22 GND2 O Ground
23 COM O Head drive power supply
24 COM O Head drive power supply
25 COM O Head drive power supply
26 COM O Head drive power supply
27 VHV O Head drive voltage control signal
Table 7-9. Connector Pin Assignment-CN10
Pin No. Signal Name I/O Function
1 +12V I Mechanism drive power supply
2 +24V I Mechanism drive power supply
3 GND I Ground
4 +24V I Mechanism drive power supply
5 GND I Ground
6 GND I Ground
7 +42V I Mechanical drive power supply
8 +42V I Mechanical drive power supply
9 +3.3V I Logic power supply
10 +3.3V I Logic power supply
11 +5V I Logic power supply
12 +5V I Logic power supply
13 GND I Ground
14 GND I Ground
15 GND I Ground
16 FAN42 O Not needed
17 SWO I
18 PSC O Power supply switch output signal
Table 7-10. Connector Pin Assignment-CN11
Pin No. Signal Name I/O Function
1 HP I Sensor detect system
2 GND O Ground
3 HPWR O Sensor power supply (+5V)
Table 7-8. Connector Pin Assignment-CN9 (cont.)
Pin No. Signal Name I/O Function