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Disassembly and Reassembly

3. Disassembly and Reassembly
3-1 Cover Assembly
3-1-1 Front Cover
1. Pull the both side of the cover to open. 4. Remove a screw of the front cover PCB and remove the connector, then remove the cover.

2. Remove a screw and remove the stopper that holds the printer cover.

3-1-2 Other Covers
1. Before you remove other covers, you should remove the Front cover in advance. 2. Rear Cover : Remove the cover in the direction of a . 3. Top Cover : Remove the cover in the direction of b .

4. Side Cover L, R : Remove the cover in the direction of c . 3. Loosen the right lower part of the cover, then push the cover in the direction of arrow to loosen the left lower part.

3-1

Disassembly and Reassembly

3-2 LED Panel PBA
1. Before you remove other covers, you should remove. · Front Cover (see [3-1 Main Cover]) 3. Remove two screws, and remove LED panel.

2. Remove two screws of PCB cover, and widen the hooks( a b c ) to remove.

4. Remove PCB from the PCB cover.

3-3 LSU(Laser Scanning Unit)
1. Before you remove LSU, you should remove front cover, rear cover and top cover. · Main Cover (see [3-1 Main Cover]) 3. Remove two connectors from the LSU, then remove the LSU.

2. Remove three screws securing the LSU.

3-2

Disassembly and Reassembly

3-4 Transfer Roller
1. Open the front cover.

2. Use a proper tool("-" type screwdriver) to pull the one end of the roller slightly, then take it out.

3-5 Motor Assembly
1. Before you remove the motor assembly, you should remove: · Main Cover (see [3-1 Main Cover]) · Shield Engine Assembly

2. Remove five screws securing the motor assembly and remove a connector from engine board(Engine board and SMPS board are integrated), then take the motor assembly out.

3-3

Disassembly and Reassembly

3-6 HVPS Board
1. Before you remove HVPS board, you should remove: ·Main Cover (see [3-1 Main Cover])

2. Remove four screws and a connector from HVPS board, then take the board out.
When you reassemble the HVPS board, make sure that five terminals should be put in place.
Terminal

Note

3-7 Fuser Assembly
1. Before remove fuser assembly, you should remove: · Main Cover (see [3-1 Main Cover]) 3. Remove two screws and unplug a fuser assembly harness. Then use a " - " screwdriver to unlatch the fuser assembly to remove.

2. Remove two ground screws and a connector as illustrated.

3-4

Disassembly and Reassembly

3-8 Thermostat and Halogen Lamp
1. Remove a screw from the fuser assembly and remove the thermostat cover, then remove two screws securing the thermostat. 3. Take the halogen lamp out from the Heat Roller.

Note

When you reassemble the halogen lamp, handle it with care as it is fragile.

2. Remove two screws from the fuser assembly, and take the Heat Roller out.

3-5

Disassembly and Reassembly

3-9 SMPS Board
1. Before you remove the SMPS board, you should remove: · Main Cover (see [3-1 Main Cover]) 3. Unplug connectors from the main board and connectors from SMPS, then remove the SMPS. Remove four screws from SMPS and remove the SMPS board.

2. Remove screws in the order of a b then remove the shield engine assembly.

a

Note

The Engine board and SMPS board are integrated in a body.

b

3-6

Disassembly and Reassembly

3-10 Main Board and Sensor Board
1. Before you remove the main board, you should remove: · Main Cover (see [3-1 Main Cover]) · SMPS board (see [3-9 SMPS Board]) 3. Release four snap-fits securing the insulator engine board and then remove the insulator.

2. Remove two screws from the main board and unplug all of connectors, then remove the board.

Main B d

4. Release four snap-fits securing the sensor board and then remove the sensor board.

3-7