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Part 5: Maintenance
7. LOCATION AND SIGNAL ASSIGNMENT
7.1 Logic Board
J6 (Carriage cable connector)
Pin No.
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
1
31
J7
J1
32
3
1
1
J2
31
2
4
32
1
J6
2
Figure 5-10 Logic Board
Signal name
IN/OUT Description
VHGND
...
VHGND
...
MCH0
IN
MCH1
IN
VH
OUT
VH
OUT
SUBH
OUT
RSV1
...
RANK
IN
DIA
OUT
ID0
IN
ID1
IN
IND
...
LGND
...
HENB0
OUT
EVENB
OUT
HENB1
OUT
HENB3
OUT
ODENB
OUT
BENB0
OUT
BENB1
OUT
BENB2
OUT
VCC
OUT
DCLK
OUT
DTLD
OUT
DTRST
OUT
HENB2
OUT
IDATA
OUT
DIK
IN
HPO
IN
HHPG
...
HPA
OUT
J4
8
J3
1
1
4
1
19
J5
18
36
GND for the head drive voltage VH
GND for the head drive voltage VH
Driver signal for the temperature control heater
Driver signal for the temperature control heater
Head drive voltage
Head drive voltage
Sub heater drive signal
Not used
Detection signal for rank resistance
Head temperature sensor (diode) anode
Cartridge detection signal
Cartridge detection signal
Cartridge detection signal
GND for the head logic drive voltage HVdd
Heat enable (Y)
Even nozzle heat enable
Heat enable (M)
Heat enable (Black)
Odd nozzle heat enable
Signal for generating the block enable decoder output
signal
Signal for generating the block enable decoder output
signal
Signal for generating the block enable decoder output
signal
IC drive voltage (+ 5V)
Print data transfer signal
Timing signal for print data to be latched
Latch reset signal
Heat enable (C)
Printing data
Head temperature sensor (diode) cathode
Home position sense signal High (sense)/Low
GND
Photo LED drive signal
5-34
BJC-5000
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