The following is full way description of disassembly/reassembly. In this manual is listed according to the disassembly procedures. If you find the certain unit or assembly, please consult it’s name by the picture in the "Samsung CLP-500N/550 Service Repair Manual"
Main components of Samsung printer CLP-500N/550 printer include: Cover, ITB (Image Transfer-Bell), Fuser unit, HVPS (High Voltage Power Supply) board, main PBA (card formater), SMPS board (Switched-mode power supply), LSU (Laser Scanning Unit), Holder Pad, transfer roller, OPE PBA, pick up roller.
The ensuing is disassemble (removable) components Samsung printer CLP-500N/550 printer manual.
I. How to remove cover
This section is description how to open all of the covers (front cover, DEVE cover, exit cover, and duplex cover).
1. take away the paper tray.
2. Pull the side handle to open the DEVE cover until it is at right angles to the main frame
3. Open the top cover by press & keep the cover open button.
4. Move out 2 screws
5. Move out the top cover as shown below
6. Push both of the top corners to remove the catches and open the front cover & then remove the waste toner tank
7. Take out 9 screws located top & inside front cover
8. Take out 2 hooks (left and right of the front cover) by a flat bladed screwdriver & then remove the front cover. Take care to disconnect it out of the frame
9. take away 10 screws to remove rear cover then take out of the frame by push left to right
10. To remove The Exit Cover. You remove the 2 screws indicated by a long blade screwdriver from inside the OPC cavity.
II. How to remove ITB (Image Transfer-Bell)
1. Move out the top cover. (Review I)
2. Move out the ITB unit after remove the ITB lock levers on both sides of the unit.
III. How to remove Fuser unit
1. Open the Deve cover, exit cover (Review I)
2. take away 5 screws & then remove the connector cover
3. Unplug jack connector.
4. take away the fuser by holding both sides of the fuser & then pull the fuser upwards.
Caution: The fuser is so hot. So, You must turn the printer off and wait until your printer to cool before remove it.
IV. How to remove HVPS (High Voltage Power Supply) board
1. take away the front cover. Top cover, rear cover (Refer to I).
2. Unplug the 1 connectors from the main PBA
3. Take out one harness and 4 high-voltage connector from the HVPS
4. Take out 5 screws & then remove the HVPS.
V. How to remove main PBA (card formater)
1. Take out the rear cover. (Refer to I)
2. Take out 5 screws from the main PBA bracket
4. Release 2 screws link to the main PBA parallel port and then remove the main PBA bracket
3. Unplug the all jack connectors. And remove the main PBA (card formater).
VI. How to remove SMPS board (Switched-mode power supply)
1. take away the rear cover. (Refer to I)
2. Take out 5 screws from the SMPS. Then remove 1 screw from the harness guide
3. Take out 4 connectors from the SMPS and then remove the SMPS (Switched-mode power supply) board.
VII. How to remove LSU (Laser Scanning Unit)
1. Move out all the components: Deve cover, Toner cartridges, ITB unit, & OPC drum(Refer I, II)
2. Move out 5 screws.
3. Unplug 2 connector & remove the LSU unit
VIII. How to remove fuser fan
1. take away rear cover, top cover (Refer I) & remove main PBA (refer V)
2. Release 3 screws remove one connector from the main PBA and then take out the fuser fan.
IX. How to remove main drive assembly
1. Move out rear cover (Refer I) & remove SMTP (refer V), remove fuser (refer III), remove fuser fan
2. take away all connector from harness guides
3. Move out the SMPS cover bracket
4. Look inside the OPC drum cavity & locate the T2 cam. Move out the washer using tweezers and then remove the T2 cam.
5. Remove the washer used tweezers & then remove the OPC gear and pin.
6. take away the motor harness. Then remove 5 screws & then take out the main drive assembly
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