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Disassembly
4 - 8
OKIOFFICE 44
Service Manual, P/N 59276801
4.1.3.2 Image Drum and Covers (Rear, NCU, Main) and NCU Board
Service Caution:
The High Voltage Power Supply
PCB in the OKIOFFICE 44 is
mounted vertically on the left
side of the unit, with the land side
fully exposed. This board devel-
ops voltages of up to 1300 VDC
as part of the normal printing
process.
OKIDATA recommends that the
unit be powered OFF (AC supply
cord disconnected) before re-
moving the Main Cover for ser-
vice. In the event that it is neces-
sary to troubleshoot the unit with
the Main Cover removed, with AC
power supplied, please take
every caution to avoid touching
the exposed circuitry of the High
Voltage Power Supply Unit. To
do so accidentally can result in a
shock hazard.
(1) Disassembly procedure
a)
Open the cover assembly-top by
raising.
b)
Remove the image drum unit.
c)
Cover-Rear:
Remove the Cover-Rear by
removing the screw 1 and the
detach the fixing hooks (2).
d)
Cover-NCU:
Remove the Cover-NCU by
removing the screw 2 and detach-
ing the fixing hooks (4).
ID unit
Cover assembly-top
(CP4.1 Fig. 05)
(CP4 1 Fi
06)
Cover-NCU
Cover-Rear
Hook
Fixing hook
Screw
1
Screw
2
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...