Sharp FO-71 Service Manual page 83

3. Perform procedures described in Table 3.
1
Before connecting the PC
and Program loader BOX
with RS-232C cable.
Set the switches of Program
loader BOX as follows.
(a) MAIN SW OFF (down)
(b) CALIBRATION OFF
(down)
FAX PWB rewriting
(c) BATSW OFF (down)
(d) PARK SW OFF (down)
(e) IC Voltage to 3.3V (down)
(f) MODE to DOWNLOAD
(down)
1*: Connect one end of RS-232C cable to the COM port of the PC and the other end to RS-232C DSUB 9PIN of
Program loader BOX.
2*: Press and hold down the keys 1 and 3 simultaneously while turning on the FAX machine and until "DOWNLOAD
MODE" appears.
3*: Perform the procedure
Main cable and the FAX machine.)
Connect one end of Main cable to the connector of the Control PWB connector for the FAX machine (CNPRG)
(refer to Fig. 3), and the other end to CN1 of Program loader BOX.
After performing procedures described in Table 3, press down the START key on the FAX machine.
"DOWNLOAD MODE WT" appears on the LCD.
↓
Proceed to 4.
2
After connecting the PC
and Program loader BOX
with RS-232C cable. (1*)
Set the switch of Program
loader BOX as follows.
(g) MAIN SW ON (up)
Table 3. Program loader BOX connection procedures
3 4
before . (Turn on the Program loader BOX and the FAX machine before connecting
3
Power supply to the FAX
machine.
Plug the power cable of the
FAX machine to the outlet.
(2*)
8 – 8
FO-71RA
FO-51RA
4
Connect Program loader
BOX and the Control PWB
of the FAX machine
(CNPRG) with Main
Cable. (3*)
---