Board Descriptions
A - 46
OKIOFFICE 44 Serv. Man., P/N 59276801
Block Diagram of 048 POW (Figure A3.5.1)
Noise filter
circuit
F1
F2
AC IN
Heater OUT
Main power
supply
ON/OFF
Rectifying
and
smoothing
circuit
Switching
circuit,
RCC type
Regulator
circuit
Regulator
circuit
-8 V
24 V
5 V
PC1
PC2
PC3
MPON
ACON
5 V (S)
Heater control
circuit
Standby
power
supply
circuit
Control circuit
Main power
supply ON/OFF
Heater ON/OFF
Regulator
circuit
Summary of Contents for OKIOFFICE 44
Page 2: ...All specifications are subject to change without notice Service Manual OKIOFFICE 44 59276801...
Page 135: ...Disassembly 4 6 OKIOFFICE 44 Service Manual P N 59276801 Whole Unit Picture FX048 CP4 1 Fig 01...
Page 329: ...Illustrated Parts List D 6 OKIOFFICE 44 Service Manual P N 59276801 Section 2 Printer Unit...
Page 331: ...Illustrated Parts List D 8 OKIOFFICE 44 Service Manual P N 59276801 Section 3 Operator Panel...
Page 351: ...Illustrated Parts List D 28 OKIOFFICE 44 Service Manual P N 59276801 Section 12 Cables...
Page 357: ...Board Layout E 2 OKIOFFICE 44 Service Manual P N 59276801 MEM eps E 2 MEM PCB...
Page 358: ...Board Layout E 3 OKIOFFICE 44 Service Manual P N 59276801 TEL U eps E 3 TEL U PCB...
Page 359: ...Board Layout E 4 OKIOFFICE 44 Service Manual P N 59276801 Hook eps E 4 Hook PCB...
Page 388: ...OKIOFFICE 44 Service Manual Part Number 59276801 Printed in the USA...