Canon LBP-1210 Service Manual page 194

APPENDIX
II. GENERAL CIRCUIT DIAGRAM
6
1 3 5 7 9
J1
2 4 6 8 10
Interface controller PCB
GND
DP
To host computer
USB I/F
DM
VDD
J3
2 1
LED901
Power ON LED
1 2 3
J901
10 8
J801 9
Laser driver
PCB
Laser/scanner unit
A - 2
5 4
To host computer
11 13 15 17 19 21 23 25 27 29 31 33 35
12 14 16 18 20 22 24 26 28 30 32 34 36
Bi-Directional Parallel I/F
J2
1 2 3 4 5 6 7 8 9 10 11 12
J902
12 11 10 9 8 7 6 5 4 3 2 1
J907
Intermediate PCB
4 5 6 7 8 9 10
J905
4 3 2 1
4 3 2 1
6 4 2 1 2 3 4
1 2 3 4
7 5 3 1 J802
BD M
sensor
1 2 3 4
Scanner motor
3
Thermal fuse
Cartridge
FU1132
J1102
2 1
Main thermistor
TH701
2
Fixing film unit
J102F J206F
1 2
J102M 1 2 J206M
J301 J304
DEV PR1
J303
DRGND
J302
TRS
J201
/ACC
/DEC
GND
+24V
CNT1
CNT0
/BDI
+3.3V
GND
Engine controller PCB
+5V
/BD
/SC
/SCLK
/RSTO
N.C.
N.C.
N.C.
N.C.
Test print
+5V
switch Paper out sensor
Door switch
GND
GND SW201
SW301
+3.3V
1 2
1 2
J205
FWD
/SI
/SO
/CLK
/STRB
GND
2 1
Fixing unit
Fixing heater
Delivery paper sensor
H701
PCB
2 1
Delivery paper
sensor
PS401
Sub thermistor Pressure roller
TH702
1 2 3
1 2 1
J410
1 2 3
1 2 3 4
1 2 3 4
J305
FB
J210F
+3.3V
GND
/POSNS
J203M J203F
FAN1
FANON
GND Air intake fan
FLOCK
J204M J204F
+24V
Paper pick-up
SL001
CPUD
solenoid
Top of page sensor PCB
J211M J211F
PS402
+3.3V
Top of page
GND
sensor
/PISNS
1 2 3
PS201 J411
1 2 3
J401
M001
/MB
M
MB Main motor
/MA
MA 1 2 3 4
Power switch
SW101
INLET
D
C
B
A