Ricoh FACSIMILE FAX77 Field Service Manual page 178

CN9 - Printer Cover Sensor (SB-10)
Pin Name
1 COM1 Ground
2 5SB10 SB-10 status (H: Cover open) 0
CN10 - SBU
Pin Name
1 5PH1B CCD drive clock 1
2
5PH2B CCD drive clock 2
3 5RSB CCD drive clock RS
4
5SHB CCD drive clock SH
5 + 12V Supply to SBU
+ 5V Supply to SBU
6
7 COM1 Ground
XVIDEO Analog video signal
8
9 Not connected
CN11 - Rx Motor
Pin Name
1 OUTDB Stepper motor drive phase 1
2 OUTD Stepper motor drive phase 1
3 OUTCB Stepper motor drive phase 0
4 OUTC Stepper motor drive phase 0
Function
Function
Function
CN12 - PSU
V Pin
0 1
2 1POWER + 24VA enable (On = H) 5
3
4
5
6
V
7
2
8
2
2
CN13 - Paper End Sensor (SB-4)
5
12
Pin
5
1
0
2
3
CN14 - Reserved: RS-232C
V
7-4
Name Function
COM1 Ground
- 12V Supply from PSU
COM1 Ground
+ 5V Supply from PSU
COM3 Ground
+ 24V Supply from PSU
+ 24VA Supply from PSU
Function
Name
+ 5V Power supply
COM1 Ground
5SB4 Sensor output (analog)
V
-12
0
5
0
24
24
V
5
4
1