Epson DFX-8500 Service Manual page 210

DFX-8500
Pin
1
2, 3, 4
5, 6, 7, 8
9, 10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26, 27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
A-6
Table A-13. C204 Main Board Connector CN14
Signal Name
VP3
GND
+5
VX
FAN
PLN
RFH/R
RFC
RFA
PGD
PGB
CRINS
CRI1
CRCLM
CRD
CRB
PFH/R
PFC
PFA
GND
TR_SEL
P_TRCT
P_JAM
F_PE
R_PE
T_PE
PGENCB
PGENCA
PGHOME
RBJAM
PLP
RFD
RFB
PGH/R
PGC
PGA
CRI2
CRI0
CRCLK
CRC
CRA
PFD
PFB
I/O Function
— +37 VDC
—
—
— +5 VDC switched by reset status
O HF control signal
O Plunger negative channel
O RF motor common
O RF motor C phase pulse
O RF motor A phase pulse
O PG motor D phase pulse
O PG motor B phase pulse
I CR motor isolation resistance
monitoring
O CR motor current limit signal 1
I CR motor current limit signal
O CR motor bridge D signal
O CR motor bridge B signal
O PF motor common
O PF motor C phase pulse
O PF motor A phase pulse
—
I Tractor select signal
I Pull tractor mount/dismount
I Paper jam detection
I Front paper end
I Rear paper end
I Top paper end
I PG encoder B signal
I PG encoder A signal
I PG home position
I Ribbon jam
O Plunger P channel
O RF motor bridge D signal
O RF motor bridge B signal
O PG motor common
O PG motor C phase pulse
O PG motor A phase pulse
O CR motor current limit signal 2
O CR motor current limit signal 0
O Clock pulse for CR motor driver
O CR motor bridge C signal
O CR motor bridge A signal
O PF motor bridge D signal
O PF motor bridge B signal