Canon i9900, i9950 服务手册
3-6
JASFS1 (ASF Motor [Sheet Feeder Unit])
No. Signal
name
Function
Input/Output
1
ASFB-
ASF motor phase B-
Out
2 ASFA-
ASF
motor
phase
A-
Out
3
ASFB
ASF motor phase B+
Out
4 ASFA
ASF
motor
phase
A+
Out
JPGS1 (Purge Sensor [Purge Unit])
No. Signal
name
Function
Input/Output
1
SNS_PG
PURGE sensor signal
Out
2 GND
GND
-
3
VSEN_5V
Sensor power supply 5V
In
JPES1 (PE Sensor)
No. Signal
name
Function
Input/Output
1
VSEN_5V
Sensor power supply 5V
Out
2 GND
GND
-
3
SNS_PE
PE sensor signal
In
JTGS1 (CD-R tray lever switch)
No. Signal
name
Function
Input/Output
1
CDR-TRY-SW
CDR tray lever switch signal
In
2 GND
GND
-
2.2 Carriage Board (print head connection terminals)
No. 1
No. 13
No. 53
No. 65