Oki OKIFAX4550 Maintenance Manual page 323

IC16
PHSA
PHSB
PHSC
PHSD
IEXSEED
MTP3
MTP2
MTP1
MTP0
+30V
IC2
IOGA4 Clutch
Figure A.14 (1/2) Related Signals of Send Motor and Clutch
PHSA
PHSB
PHSC
PHSD
41309401TH Rev.4
IC7
Send motor
drive
(1-2 phase excitation)
TR512/TR513
Clutch
drive
t t t t t t t
Figure A.14 (2/2) Timing Chart of Send Motor
46F
CN1
A1
A2
B1
B2
CN2
PJON
OV
t
STD/FINE:t=1.25ms (800pps)
EX-FINE:t=2.5ms (400pps)
2
Send motor
4
M
1
3
1
Clutch
2
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