Canon BJC 50 Service Manual - Page 172

Canon BJC 50 - Color Inkjet Printer Manual

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Part 5: Maintenance BJC-50 CNH1 (Cartridge Ribbon 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 IN/OUT Description / (scanner cartridge in use) ...GND for head drive voltage VH (GND for scanner drive voltage 24V) VHG (LAMPG) ...GND for head drive voltage VH (GND for scanner drive voltage 24V) MCH0 (N.C.) IN Drive signal for temperature control heater (Unused) MCH1 (N.C.) IN Drive signal for temperature control heater (Unused) HVH (VLAMP) OUT Head drive voltage (Scanner drive voltage) HVH (VLAMP) OUT Head drive voltage (Scanner drive voltage) WHT (N.C.) OUT Drive signal for subheater (Unused) N.C. (N.C.) ...Unused (Unused) TOP (TOPS) IN Detection signal for rank resistance (Scanner cartridge recognition signal) DIA (C.CHA) IN Head temperature sensor (diode) anode (Scanner cartridge recognition signal) ID0 (ID0) IN BJ cartridge (black/color) detection signal (Scanner monochrome/color detection signal) ID1 (ID1) IN BJ cartridge (black/color) detection signal (Scanner monochrome/color detection signal) HCONT IN BJ cartridge (BC-11/BC-11e) detection signal (IS(INKS2) 11/IS-12 detection signal) HVSS (VSS) ...GND for head's logic drive voltage (GND for scanner's PCB drive voltage) HENBD (N.C.) OUT Head's heater drive signal (Unused) EVEN ENB (N.C.) OUT Even nozzle heater drive signal (Unused) HENBA (N.C.) OUT Head's heater drive signal (Unused) HENBC (N.C.) OUT Head's heater drive signal (Unused) ODD ENB (REN) OUT Odd nozzle heater drive signal (Scanner's register setting signal) BENB0 (RWR) OUT Block enable decoder generation signal (Scanner's clock signal for serial data transfer to register) BENB1 (RDT) OUT Block enable decoder generation signal (Scanner's serial data signal) BENB2 (N.C.) OUT Block enable decoder generation signal (Unused) HVDD (VDD) OUT Head's logic drive voltage +5V (Scanner's PCB drive voltage +5V) HCLOCK (DTCK) OUT Clock signal for print data transfer (Clock signal for scanning data input) HLATCH (LNST) OUT Timing signal to latch print data (Timing signal to start scanning) HRES (SRES) OUT Latch reset signal (Scanning operation reset signal) HENBB (N.C.) OUT Head's heater drive signal (Unused) HDATA (DT) OUT Print data (Scanning data) DIK (C.CHK) IN Head temperature sensor (diode) cathode (Scanner cartridge recognition signal) Signal name VHG (LAMPG) 5-32

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CNH1 (Cartridge Ribbon Cable Connector)
Part 5: Maintenance
BJC-50
5-32
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 voltage +5V (Scanner's PCB drive
voltage +5V)
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)