Canon BJC-55 Series, Service Manual

Page: 133 / 206

4-25
BJC-50
Part 4: Technical Reference
TABLE 4-2 SIGNAL CONTACT PART
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
Signal name
VHG (LAMPG)
VHG (LAMPG)
MCH0 (N.C.)
MCH1 (N.C.)
HVH (VLAMP)
HVH (VLAMP)
WHT (N.C.)
N.C. (N.C.)
TOP (TOPS)
DIA (C.CHA)
ID0 (ID0)
ID1 (ID1)
HCONT
(INKS2)
HVSS (VSS)
HENBD (N.C.)
EVEN ENB (N.C.)
HENBA (N.C.)
HENBC (N.C.)
ODD ENB (REN)
BENB0 (RWR)
BENB1 (RDT)
BENB2 (N.C.)
HVDD (VDD)
HCLOCK (DTCK)
HLATCH (LNST)
HRES (SRES)
HENBB (N.C.)
HDATA (DT)
DIK (C.CHK)
IN/OUT
...
...
IN
IN
OUT
OUT
OUT
...
IN
IN
IN
IN
IN
...
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
IN
Description / (scanner cartridge in use)
GND for head drive voltage VH (GND for scanner drive
voltage 24V)
GND for head drive voltage VH (GND for scanner drive
voltage 24V)
Drive signal for temperature control heater (Unused)
Drive signal for temperature control heater (Unused)
Head drive voltage (Scanner drive voltage)
Head drive voltage (Scanner drive voltage)
Drive signal for subheater (Unused)
Unused (Unused)
Detection signal for rank resistance (Scanner cartridge
recognition signal)
Head temperature sensor (diode) anode (Scanner
cartridge recognition signal)
BJ cartridge (black/color) detection signal (Scanner
monochrome/color detection signal)
BJ cartridge (black/color) detection signal (Scanner
monochrome/color detection signal)
BJ cartridge (BC-11/BC-11e) detection signal (IS-
11/IS-12 detection signal)
GND for head's logic drive voltage (GND for scanner's
PCB drive voltage)
Head's heater drive signal (Unused)
Even nozzle heater drive signal (Unused)
Head's heater drive signal (Unused)
Head's heater drive signal (Unused)
Odd nozzle heater drive signal (Scanner's register
setting signal)
Block enable decoder generation signal (Scanner's
clock signal for serial data transfer to register)
Block enable decoder generation signal (Scanner's
serial data signal)
Block enable decoder generation signal (Unused)
Head's logic drive v5V (Scanner's PCB drive
v5V)
Clock signal for print data transfer (Clock signal for
scanning data input)
Timing signal to latch print data (Timing signal to start
scanning)
Latch reset signal (Scanning operation reset signal)
Head's heater drive signal (Unused)
Print data (Scanning data)
Head temperature sensor (diode) cathode (Scanner
cartridge recognition signal)