MiTAC 8170 用户手册
167
8170 N/B MAINTENANCE
8.11
PIO Port Test Error
When a print command is issued, printer prints nothing or garbage.
P_LPD [0:3]
P_LPD [4:7]
P_SLCT, -P_STB
-P_AFD, -P_ERR
-P_INIT, -P_SLIN
-P_ACK, P_BUSY
P_PE
DP_PE
RP500
0*4
RP502
0*4
RP503
0*4
RP504
0*4
R500
0
CP502
100P*4
CP503
100P*4
CP504
100P*4
CP505
100P*4
C504
22P
Mother Board
J6
DP_LPD [0:3]
DP_LPD [4:7]
DP_SLCT, -DP_STB
-DP_AFD, -DP_ERR
-DP_INIT, -DP_SLIN
-DP_ACK, DP_BUSY
STB#
AFD#
LPD0
ERR#
LPD1
INIT#
LPD2
SLIN#
LPD3
-P_STB
-P_AFD
P_LPD0
-P_ERR
P_LPD1
-P_INIT
P_LPD2
-P_SLIN
P_LPD3
-P_ACK
P_BUSY
P_PE
P_SLCT
P_LPD4
P_LPD5
P_LPD6
P_LPD7
8
7
6
5
1
2
3
4
8
7
6
5
1
2
3
4
RP1
RP2
R1 0
8
7
6
5
1
2
3
4
8
7
6
5
1
2
3
4
RP3
120OHM/100MHZ
RP4
120OHM/100MHZ
-PP_STB
-PP_AFD
P_LPD0
-PP_ERR
PP_LPD1
-PP_INIT
PP_LPD2
-PP_SLIN
PP_LPD3
-PP_ACK
PP_BUSY
PP_PE
PP_SLCT
PP_LPD4
PP_LPD5
PP_LPD6
PP_LPD7
X
X
+5VS
D501
BAS32L
Parallel Port
Connector
J1
PJ2
U501
PAC128401Q
U502
PAC128401Q
ACK#
BUSY
PE
SLCT
LPD4
LPD5
LPD6
LPD7
12
11
10
9
8
7
6
5
4
3
2
1
13
14
15
16
17
18
19
20
21
22
23
24
12
11
10
9
8
7
6
5
4
3
2
1
13
14
15
16
17
18
19
20
21
22
23
24
1
14
2
15
3
16
4
17
5
6
7
8
9
10
11
12
13
GND_IO2
18-27
GND_IO2
GND_IO2
25
23
43
21
41
19
39
17
37
35
33
31
29
36
34
32
27
U509
Supper I/O
PC87393
D/D Board
P
18
P
22
P
2
P
3
P
3
P
3