Canon i9900, i9950 服务手册
3-5
JIF1 (IEEE1394 I/F)
No. Signal
name
Function
Input/Output
1
VBUS
IEEE1394: VBUS
NC
2
GND
IEEE1394: GND
-
3 TPB1-
IEEE1394:
TPB1-signal
Bus
4 TPB1+
IEEE1394:
TPB1+signal
Bus
5 TPA1-
IEEE1394:
TPA1-signal
Bus
6 TPA1+
IEEE1394:
TPA1-signal
Bus
JLFT1 (Lift Cam Sensor [Photo Interrupter])
No. Signal
name
Function
Input/Output
1
VSEN_5V
Sensor power supply 5V
Out
2 GND
GND
-
3
SNS_LIFT_UP
CD-R lift-up sensor signal
In
JINK1 (Ink Sensor [Platen Unit])
No. Signal
name
Function
Input/Output
1
INK_PWM
Ink PWM signal
Out
2 GND
GND
-
3
AD_INK
Ink sensor signal
In
JMDA1 (Media Sensor [Sheet Feeder Unit])
No. Signal
name
Function
Input/Output
1 -
-
-
2
MEDIA_PWM
Media sensor PWM signal
Out
3 GND
GND
-
4
MEDIA1_SNS
Media sensor 1 signal
In
5
MEDIA2_SNS
Media sensor 2 signal
In
JLFE2 (Paper Feed Motor & Timing Sensor Unit)
No. Signal
name
Function
Input/Output
1
LF_L
LF motor +
Out
2 LF_LN
LF
motor
-
Out
3 GND
GND
-
4
LF_ENCA
LF encoder phase A
In
5
EVDD
LF encoder drive power supply
Out
6
LF_ENCB
LF encoder phase B
In
JCRM2 (Carriage Motor)
No. Signal
name
Function
Input/Output
1 CR_L
CR
motor
+
Out
2 CR_LN
CR
motor
-
Out
JPGM2 (Purge Motor [Purge Unit])
No. Signal
name
Function
Input/Output
1
PGA
PG motor phase A+
Out
2
PGB
PG motor phase B+
Out
3
PGA-
PG motor phase A-
Out
4
PGB-
PG motor phase B-
Out