Epson DFX-8500 - Impact Printer, Service Manual

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APPENDIX
Rev. B
A-7
Table A-15. C204 MAIN Board Connector CN16
Pin Signal Name I/O Function
1 DIPCNT2 O DIP SW select port 2
2 DIPCNT3 O DIP SW select port 3
3 DIPCNT4 O DIP SW select port 4
4 DIPCNT5 O DIP SW select port 5
5 DIPCNT6 O DIP SW select port 6
6 DIPCNT7 O DIP SW select port 7
7 DIPCNT8 O DIP SW select port 8
Table A-16. C204 DRV Board Connector CN2
Pin Signal Name I/O Function
1, 3, 5, 8 VP3 - +37 VDC
2 +5V -
4 K - GND
6 RBJAM Ribbon jam
7 NC
9 INTLOC - GND
10 FANDRV CR fan drive
11 INTLOC - GND
12 INTLOC - GND
13 GND -
14 GP3 - GND for VP3
15 TR_SEL Tractor select signal
16 PGHOME PG home position
17 RFD RF motor phase D
18 RFCOM RF motor common
19 RFB
20 RFA RF motor phase A
21 PGCOM PG motor common
22 RFC RF motor phase C
23 PGA PG motor phase A
24 PGD PG motor phase D
25 PGC PG motor phase C
26 PGB PG motor phase B
27 PENCB PG encoder phase B
28 PENCA PG encoder phase A
29 R_PE Rear PE sensor
30 T_PE Top PE sensor
31 +5V -
32 F_PE PE sensor front
33 P_TRCT Pull tractor
34 P_JAM Paper jam sensor
35 PLGP Plunger
36 GND -
37 CRB CR motor phase B
38 PLGN Plunger
39 CRB O CR motor phase B
40 PFA O PF motor phase A
41 CRB O CR motor phase B
42 PFB O PF motor phase B
43 CRA O CR motor phase A
44 PFC O PF motor phase C
45 CRA O CR motor phase A
46 PFD O PF motor phase D
47 CRA O CR motor phase A
48, 49, 50 PFCOM O PF motor common