EPSON Stylus Color400 Service Manual
Rev.A
A-3
Pin
Signal Name
I/O
Function
1
PFA
Out
Phase drive signal (A)
2
PF-A
Out
Phase drive signal (-A)
3
PFB
Out
Phase drive signal (B)
4
PF-B
Out
Phase drive signal(-B)
Pin
Signal Name
I/O
Function
1
BCO
In
Black ink cartridge detect signal
2
CCO
In
Color ink cartridge detect signal
3
THM
In
Thermistor detect signal
4
GND
---
Ground
5
LAT
Out
Head data latch pulse output
6
GND
---
Ground
7
SI3
Out
Head data output (3)
8
GND
---
Ground
9
SI2
Out
Head data output (2)
10
GND
---
Ground
11
CLK
Out
Head data output (1)
12
GND
---
Ground
13
CLK
Out
Clock pulse for head data transfer
14
GND
---
Ground
15
NCHG
Out
Head all on pulse output
16
GND
---
Ground
17
VDD
---
Logic power supply (+5V)
18
GND2
---
Ground
19
GND2
---
Ground
20
GND2
---
Ground
21
COM
---
Head drive power supply
22
COM
---
Head drive power supply
23
COM
---
Head drive power supply
24
VHV
---
Head drive voltage control signal
25
VHV
---
Head drive voltage control signal
Pin
Signal Name
I/O
Function
1
+42V
---
Mechanism drive power supply
2
+42V
---
Mechanism drive power supply
3
GND
---
Ground
4
GND
---
Ground
5
PSC
Out
Power supply switch output signal
6
GND
----
Ground
7
GND
---
Ground
8
+5V
---
Logic power supply
Pin
Signal Name
I/O
Function
1
ASF
In
Sensor detect signal
2
GND
---
Ground
3
ASFV
---
Sensor power supply (+5V)
Table A-6. Connector CN7
Table A-7. Connector CN8
Table A-8. Connector CN10
Table A-9. Connector CN11
Summary of Contents for Stylus Color 400
Page 5: ...REVISION SHEET Revision Issued Data Contents Rev A February18 1997 First issue ...
Page 126: ...Chapter 6 Maintenance Rev A 6 5 No 1 No 2 10mm 2mm 2mm No 3 No 11 GEAR 34 ...
Page 138: ...EPSON Stylus Color400 Service Manual Rev A A 9 Figure A 3 C206 PSB Board Component Layout ...
Page 139: ...Appendix Rev A A 10 Figure A 4 C206 PSE Board Component Layout ...
Page 140: ...EPSON Stylus Color400 Service Manual Rev A A 11 Figure A 5 C206 PNL Component Layout ...
Page 141: ...Appendix Rev A A 12 A 5 Exploded Diagrams Figure A 6 Stylus Color 400 Exploded Diagram 1 ...
Page 143: ...Appendix Rev A A 14 Figure A 8 Stylus Color 400 Exploded Diagram 3 ...
Page 145: ...EPSON SEIKO EPSON CORPORATION ...
