Canon BJC-2000 Series Service Manual - Page 130

BJ Cartridge & Scanner Cartridge, Contact Pad

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Part 5: Maintenance 6.3 BJ Cartridge & Scanner Cartridge BJ Cartridge 29 28 26 25 24 20 21 22 23 27 19 18 17 16 15 3 11 12 13 14 10 9 8 7 465 21 BJC-2000 Scanner Cartridge Figure 5-5 Contact Pad BJ cartridge Pin No. 1, 2 3 4 5, 6 Signal name VHG HT0 HT1 HVH 7 W-HT 8 INKS1 9 TOP 10 DIODEA 11 ID0 12 ID1 13 INKS2 14 HVss 15 HENB0 17 HENB1 27 HENB2 18 HENB3 16 Even ENB 19 Odd ENB 20 BENB1 21 BENB2 22 BENB3 23 HVdd 24 HCLK 25 HLATCH 26 HRES 28 HDATA 29 DIODEK IN/OUT GND OUT OUT IN IN ... OUT IN OUT OUT IN/OUT GND IN IN IN IN IN IN IN IN IN IN IN IN IN IN OUT Description GND for head driver voltage VH Temperature control heater drive signal Temperature control heater drive signal Head drive voltage (ink ejection heater, temperature control heater, sub heater driver) Sub heater drive signal Not used Rank resistance detection signal Head temperature sensor(diode) anode Cartridge detection and recognition signal Cartridge detection and recognition signal Cartridge detection and recognition signal Head's logic drive voltage HVdd GND Heat enable · Black BJ cartridge: Uses only pin No. 15 and 17 · Color/Photo BJ cartridge: Uses all pins (The respective color is show in parentheses.) Even nozzle heat enable Odd nozzle heat enable Block enable decoder's output generation signal Block enable decoder's output generation signal Block enable decoder's output generation signal IC driver voltage (+5 V) Print data transfer signal Shift resistor print data latch timing signal Latch reset signal Printing data Head temperature sensor (diode) cathode 5-26

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Part 5: Maintenance
BJC-2000
5-26
6.3 BJ Cartridge & Scanner Cartridge
BJ cartridge
Pin No.
Signal name
IN/OUT
Description
1, 2
VHG
GND
GND for head driver voltage VH
3
HT0
OUT
Temperature control heater drive signal
4
HT1
OUT
Temperature control heater drive signal
5, 6
HVH
IN
Head drive voltage (ink ejection heater, temperature
control heater, sub heater driver)
7
W-HT
IN
Sub heater drive signal
8
INKS1
...
Not used
9
TOP
OUT
Rank resistance detection signal
10
DIODEA
IN
Head temperature sensor(diode) anode
11
ID0
OUT
Cartridge detection and
recognition signal
12
ID1
OUT
Cartridge detection and
recognition signal
13
INKS2
IN/OUT
Cartridge detection and
recognition signal
14
HVss
GND
Head's logic drive voltage HVdd GND
15
HENB0
IN
Heat enable
17
HENB1
IN
· Black BJ cartridge: Uses only pin No. 15 and 17
27
HENB2
IN
· Color/Photo BJ cartridge: Uses all pins
18
HENB3
IN
(The respective color is show in parentheses.)
16
Even ENB
IN
Even nozzle heat enable
19
Odd ENB
IN
Odd nozzle heat enable
20
BENB1
IN
Block enable decoder's output generation signal
21
BENB2
IN
Block enable decoder's output generation signal
22
BENB3
IN
Block enable decoder's output generation signal
23
HVdd
IN
IC driver voltage (+5 V)
24
HCLK
IN
Print data transfer signal
25
HLATCH
IN
Shift resistor print data latch timing signal
26
HRES
IN
Latch reset signal
28
HDATA
IN
Printing data
29
DIODEK
OUT
Head temperature sensor (diode) cathode
28
29
24
25
26
23
22
21
20
16
17
18
19
27
15
3
11
12 13
14
7
9
10
4
6
5
2
1
8
Scanner Cartridge
BJ Cartridge
Figure 5-5 Contact Pad