Page: 156
Service Guide OF1050/2350/2450
Chapter 4 Mechanical Disassembly and Reassembly
4.2.8 MCNT Board, Power Supply Unit, Contact Assembly, Transformer
(1) Disassembly procedure
The Main Control PCB (R054/R050, R175, R175-2) and Power Supply Unit can be easily accessed by
removing the scanner and printer as whole assemblies. Use the following disassembly procedure.
1) Initial steps
a) First, Remove the Drum, Rear Cover, NCU Cover, Main Cover, Separation Plate, NCU Board and
Modem Board (2350/2450).
Refer to sub-section 4.2.3
.
Note: MCNT board is shown below:
Okifax 1050
R054/R050 board
Okifax 2350
R175 board
Okifax 2450
R175-2 board
b) Remove the Scanner Unit as a whole assembly by removing its three screws.
(Refer to first
illustration shown in subsection 4.2.4
).
Do not remove the Control Panel or Paper Guide U
Assemblies.) Then remove the appropriate connectors from the MCNT board.
c) Remove the printer unit as a whole assembly by removing the seven screws.
Two screws securing the motor assembly.
Four screws securing each corner of the lower base assembly.
One screw securing the center of the lower base assembly.
Содержание OF1050
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Страница 145: ...Note Use the UNIQUE key to input special symbols Operations Press the START key Press the START key...
Страница 152: ...Case 2 Canceling member s from a group...
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Страница 224: ...NCUU Package Layout OKIFAX 1050 2350 2450 Figure 3 10 1 Block Diagram of NCUU...
Страница 319: ...Figure 6 14 1 Protocol Dump Data Sample at transmitter side...
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Страница 395: ...Section 1 Cabinet Illustratio n Number OKIFAX Description Okidata Part Number Oki Part Number...
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Страница 445: ...Page 245 Service Guide OF1050 2350 2450 Chapter 9 High Capacity Second Paper Feeder Maintenance 9 6 Parts List...
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Страница 448: ...Figure 6 1 High Capacity Second Paper Feeder...