6. Disassembly and Reassembly
Contents
1. T ee ee E ie i i is R Asi 3 amp y nu vi Bracket Cover SMPS 3 Look inside the OPC drum cavity and locate the T2 cam Remove the washer using tweezers and then remove the T2 cam Cam Drive e Washer Plain e Q 6 28 Service Manual Samsung Electronics Disassembly and Reassembly 4 Remove the washer using tweezers and then remove the OPC gear and pin The OPC gear can be found inside the printer after removing the OPC drum unit Take care that the pin is not lost as you remove the gear Pin Drive P oS Gear Drive Washer Plain 5 Remove the 3 harnesses Motor Duplex solenoid and Feed Regi Clutch Release 6 screws 3 10 silver and then take out the main drive ass y Service Manual 6 29 Samsung Electronics Disassembly and Reassembly 6 4 10 HVPS High Voltage Power Supply gt gt Before disassembling it Disassemble the front cover amp top cover Refer to 6 4 1 Disassemble the rear cover Refer to 6 4 3 Disassemble the main PBA bracket Refer to 6 4 7 1 Remove one harness from the main PBA HVPS EE oO a E HE qmm eee E O uod l lle1ed H lt Main PBA gt lt HVPS gt 2 Remove one harness and 4 high voltage harnesses from the HVPS SS o O com rE x mel A 6 30 Service Manual Samsung Electronics Disassembly and Reassembly2. SOL T1_CLN GAND o SOL 3RD E SOL 2ND SsOL_ist g SOL_4TH QB CLT_4TH AB t CLT_3RD AB CLT 2ND GQ em CLT AST 6 34 Service Manual Samsung Electronics Disassembly and Reassembly 3 Remove 4 high voltage terminals Terminal Cc Terminal N if Q Y Service Manual 6 35 Samsung Electronics Disassembly and Reassembly 6 4 13 DEVE Drive Motor ITB Cleaning Solenoid gt gt Before disassembling it Disassemble the rear cover Refer to 6 4 3 Disassemble the main PBA Refer to 6 4 7 Disassemble the main PBA bracket Refer to 6 4 7 Disassemble the DEVE drive motor Refer to 6 4 7 1 Release 4 screws 3 6 gold and then remove the DEVE drive motor 6 36 Service Manual Samsung Electronics Disassembly and Reassembly 6 4 14 Erase Lamp gt gt Before disassembling it Remove all consumable parts Toner cartridge ITB unit and OPC drum Refer to 6 3 3 Disassemble the front cover and top cover Refer to 6 4 1 Disassemble the waster toner ass y Refer to 6 4 18 1 Release 2 screws 4 15 gold and 2 clips located close to the DEVE cover hinge and remove the LSU cover A Release one screw 4 10 silver and then remove the lamp cover B 2 gt i 2 Release 2 clips and lift the eraser lamp ass y remove one harness and then remove the erase lamp Erase Lamp
3. Samsung Electronics Disassembly and Reassembly 6 4 15 DEVE cover gt gt Before disassembling it Remove all consumable parts Toner cartridge ITB unit and OPC drum Refer to 6 3 3 Disassemble the front cover and top cover Refer to 6 4 1 Disassemble the LSU cover Refer to 6 4 14 1 Remove 2 screws 3 10 silver and then remove the DEVE open link guide Ca ies Deve Open Link Guide Deve Open Link 2 Separate the DEVE cover by pulling it in the direction of the arrow rt B i i i LSU Cleaner e Deve Cover Pag 6 38 Service Manual Samsung Electronics 6 4 16 LSU unit gt gt Before disassembling it Remove the consumable parts Toner cartridge ITB unit and OPC drum Refer to 6 3 3 Disassemble the Deve cover Refer to 6 4 15 1 Release 4 screws 4 10 silver Use a short length cross head screwdriver oe E 2 Release one screw 3 8 yellow Use a short length cross head screwdriver Sr eS a eS Samsung Electronics 6 39 Disassembly and Reassembly 3 Separate 2 harnesses and remove the LSU unit 6 40 Service Manual Samsung Electronics 6 4 17 DEVE OEM PBA gt gt Before disassembling it Disassemble the front cover and the top cover Refer to 6 4 1 1 Separate one harness CN1 from the HVPS and one harness CN2 from the DEVE OEM PBA Remove 6 screws 3 8 bl
4. Samsung Electronics Disassembly and Reassembly 6 4 11 DEVE drive ass y gt gt Before disassembling it Disassemble the rear cover Refer to 6 4 3 Disassemble the main PBA Refer to 6 4 7 1 Remove the main PBA shield and harness guide by releasing 5 screws 2 EA 3 6 machine screw gold 2 EA 3 10 silver 1 EA 4 10 silver 3x 10 White 3 x 6 Yellow 2 Remove the ground harness and the harness guide bracket by releasing 3 screws 2 EA 3 6 machine screw gold 1 EA 4 10 silver Harness Guide Bracket 4 x 10 White 6 32 Service Manual Samsung Electronics Disassembly and Reassembly 3 Separate the harness from the DEVE motor Motor Harness 4 Release 5 screws 3 10 silver from the DEVE drive ass y Remove 4 harnesses connected to the DEVE drive PBA and then remove the DEVE drive ass y CLT_4TH XR 3 CLT_3RD AQB a Service Manual 6 33 Samsung Electronics Disassembly and Reassembly 6 4 12 DEVE drive PBA and DEVE cover open S W gt gt Before disassembling it Disassemble the rear cover Refer to 6 4 3 Disassemble the main PBA Refer to 6 4 7 Disassemble the main PBA bracket Refer to 6 4 7 2 1 Release 1 screw 3 10 silver and then take out the DEVE cover open S W Deve Cover Open S W 2 Remove all harnesses and 6 screws 3 10 silver and then take out the DEVE drive PBA SUPPLY
5. Take out the Rear Cover as shown below 6 18 Service Manual Samsung Electronics Disassembly and Reassembly 6 4 4 Duplex Cover Ass y and Transfer Roller T2 gt gt Before disassembling it Open the duplex cover the DEVE cover and the exit cover Refer to 6 3 3 Remove the front cover and top cover Refer to 6 4 1 Remove the rear cover Refer to 6 4 3 1 1 Release 2 hinge screws 3 10 silver one on each side of the duplex unit 2 Remove the duplex cover ass y by pulling it in the direction shown by the arrows in A and B below A Lift up the left side section B Remove the duplex cover ass y by pulling the right side section towards the left mii ii z Service Manual 6 19 Samsung Electronics Disassembly and Reassembly 3 Release 4 hooks on the right and left side with a flat bladed screwdriver and then remove the duplex ass y Duplex Ass y 4 Remove the transfer roller by turning the bush on each end of the roller 6 20 Service Manual Samsung Electronics Disassembly and Reassembly 6 4 5 Fuser 1 Open the DEVE cover Pull Caution Before opening the exit cover completely open the DEVE cover until it is at right angles to the main frame and the toner cartridges are ejected 2 Open the exit cover Exit Cover Deve Cove _e s Samsung Ele
6. as cont amination will reduce print quality Take care not to damage the roller s surface when installing or removing a toner car tridge Samsung Electronics 5 Disassembly of DEVE drive ass y and the main drive ass y The alignment of the drive mechanism is critical and it has been set up in factory using a jig and a driving gear It is adjust ed for the best gearing alignment If the motor is disassembled alignment would not be maintained and this could cause operational noise and image problems image alignment and toner distribution may be affected 6 Disassembly of terminal parts Do not adjust the variable resistors on the PBA They have been already adjusted in the factory 7 Disassembly of the fuser unit The fuser melts toner onto the paper at a high temperature therefore you need to take special care not to get burned by a hot fuser When removing the fuser from a set that has recently been operat ing you need to take extra care Do not touch an AC line Copper con tact on a main frame even after remov ing the fuser Service Manual Disassembly and Reassembly 6 3 2 Screws used in the printer The screws listed in the table below are used in this printer Please ensure that when you disassemble the printer you keep a note of which screw is used for which part and that when reassembling the printer the correct screws are used in the appropriate places NO DESCRIPTION S 67 6 0 8 SPEC N
7. items mentioned a stock of these items should be maintained 1 Disassembly of the LSU unit There are no serviceable parts inside the LSU Alignment of the mirrors is critical Opening the LSU will allow dust into the laser and significantly reduce print quality lt is very dangerous to operate or service a machine with the LSU open or system interlocks disabled Exposure to laser radiation can cause blindness 2 Disassembly of the ITB unit Do not disassemble the ITB The align ment of the home sensor is critical and is set up in the factory on a special jig Incorrect re assembly will cause print quality degradation 3 Care of the OPC unit If an OPC unit is exposed to direct sun light for a long time the parameters and response of the electrostatic surface are changed causing image transfer and print quality issues Also there is no protective shutter on the OPC drum to prevent scratching Please take extra care to ensure the OPC drum is protected from sunlight and physical contact when servic ing the machine 4 Care of the Toner cartridge Toner cartridges contain an extremely fine powder Please keep toner cartridges away from children The toner powder contained in the toner cartridge may be harmful and if swallowed you should con tact a doctor Take care not to spill toner spillages should be cleaned with a vacume cleaner and washed in could water hot water sets the toner Do not touch the developer roller surface
8. more than 5 minutes Samsung Electronics Disassembly and Reassembly 6 3 4 Replacing the Waste Toner Tank gt gt Removing the waste toner tank 1 Push the top corners of the front cover to release the cover catches te HL 2 Lift the hook at the top of the waste toner tank and gently pull the top edge of the waste tank forward Lift the tank out PULL Caution Be careful not to let toner spill from the waste toner tank 6 10 Service Manual Samsung Electronics N Disassembly and Reassembly 3 Remove the Toner Caps from the side of the tank and fit them to the tank inlets as shown below Toner Cap 4 Fit a new waste toner tank Samsung Electronics Disassembly and Reassembly 6 4 Disassembly Procedure 6 4 1 Top cover and Front cover 1 Remove the cassette i y e Cassette pareta 2 Open all of the covers in the following order Duplex cover DEVE cover Exit cover Refer to 6 3 3 Exit Cover Deve Cover 3 Duplex Cover 6 12 Service Manual Samsung Electronics 3 Release 2 screws 3 10 silver Top Cover e 4 Take out the Top Cover as shown below 6 13 Samsung Electronics Disassembly and Reassembly 5 Push both of the top corners to release the catches and open the front cover and then remove the waste toner tank Refer to 6 3
9. see photograph Pull the MP Ass y upward and release the assy Note it is not possible to remove the assy at this stage take care not to put excessive strain on the cable harness 6 44 Service Manual Samsung Electronics Disassembly and Reassembly 6 4 20Pick UpAss y gt gt Before disassembling it Disassemble all consumable parts Toner cartridges ITB unit and OPC drum Refer to 6 3 3 Disassemble the front cover and top cover Refer to 6 4 1 Disassemble the rear cover Refer to 6 4 3 Disassemble the duplex cover Refer to 6 4 4 Disassemble the SMPS amp main PBA Refer to 6 4 7 Disassemble the Erase Lamp Refer to 6 4 14 Disassemble the Waster Toner Ass y Refer to 6 4 18 1 Undo 2 screws 3 10 silver and remove the Pick up Solenoid Then remove the plastic circlip which retains the Pick Up Gear and also remove the gear wheel Release the shaft retaining bearing Pick Up Solenoid 2 Remove the 3 screws 4 10 silver in the Pick up Ass y Pick Up Ass y Samsung Electronics Disassembly and Reassembly 3 Remove the 3 8 black screw retaining the Guide Pick Up plate Using a small flat bladed screwdriver or similar tool force the brass ground plate off the retaining lugs and bend it upward slightly Release the Eraser Lamp harness and paper Empty Sensor harness these pass between the main engine frame and base frame and cannot be remov
10. 4 ASUR 6 Release 7 screws 3 10 silver located inside the front cover Release 2 screws 3 10 silver located on the top of the front cover 6 14 Service Manual Samsung Electronics Disassembly and Reassembly 7 Release 2 hooks on the right and the left side with a flat bladed screwdriver and then remove the front cover Take care to disconnect one harness connected to the frame COLOR Service Manual 6 15 Samsung Electronics Disassembly and Reassembly 6 4 2 OP Panel Ass y gt gt Before disassembling it Remove the front cover Refer to 6 4 1 1 Release 3 screws A below 3 8 black and take out the OP panel ass y 2 Release 4 screws B below 3 8 black from the Panel PBA and remove the panel PBA 3 Release 2 screws C below 3 6 gold from the LCD and then take out the LCD e A OP Panel Screw 3 8 Black e B Panel PBA Screw 3 8 Black C LCD Screw 3 6 Yellow 6 16 Service Manual Samsung Electronics Disassembly and Reassembly 6 4 3 Rear Cover gt gt Before disassembling it Open the duplex cover the DEVE cover and the exit cover Refer to 6 3 3 Remove the top cover Refer to 6 4 1 1 1 Remove 10 screws A Top 2 EA 3 10 Silver B Side 3 EA 3 10 Silver C Bottom 3 EA 4 10 Silver D Rear 2 EA 3 10 Silver Service Manual 6 17 Samsung Electronics Disassembly and Reassembly 2
11. 6 10 gt gt Disassembling the waste toner tank 0000 ceca page 6 10 6 4 Process of Disassembly 00 0 c ccc cece ees page 6 12 6 4 1 Top Cover and Front Cover 0 0 c ccc ccc eens page 6 12 6 4 2 OP Panel ASS 0 0 0 ect eee ene neaes page 6 16 6 4 3 Rear Cover 3b icc chu ac ey ccebugedacdedkeduatGanbos ated eudeanuas page 6 17 6 4 4 Duplex Cover Ass y and Transfer Roller T2 Roller page 6 19 OA oO FUSE Geccescearedass E Or oe beeen RE page 6 21 6 4 6 Exit COver 2 oss2cc ancesceeresebev eens eo bereneses soeeenees so page 6 23 6 4 7 SMPS and Main PBA 0 0 teens page 6 24 6 4 9 FUSE Rall oe aecces ns uran pE see cekecaed exe awneener cee eaess page 6 27 6 4 9 Main Drive ASS Y 0 nananana nananana nananana page 6 28 6 4 10 HVPS High Voltage Power Supply cee eee page 6 30 6 4 11 DEVE Drive ASS 0 nnna nananana nananana page 6 32 6 4 12 DEVE Drive PBA and DEVE Cover Open S W page 6 34 6 4 13 DEVE Drive Motor and ITB Cleaning Solenoid page 6 36 OF IA Blase lam 24 sececetetrenesse 454 seusanteauannet acs ETENN page 6 37 64 15 DEVE COVER ites rirsraei tied aE a a N ESA geen nae page 6 38 64 10 E SUUNI eeror rtirar ERRE AETA EER ArT 4 page 6 39 6 4 17 DEVE OEM PBA ccc nannan ananena page 6 41 6 4 18 Waste Toner ASS Y 0 ccc ete nent eeeeees page 6 42 6 4 19 MPT Multi P
12. Disassembly and Reassembly 6 Disassembly and Reassembly 6 1 Cautions When Replacing Parts 0 cece eens page 6 2 6 1 1 Cautions when assembling and disassembling page 6 2 6 1 2 Cautions when handling PBA 0 cc cece eee page 6 2 6 2 Parts for Maintenance and Repair 000005 page 6 3 6 2 1 Replacing cycle of parts for maintenance and repair page 6 3 6 2 2 Printer Cleaning 0 ccc teen teen enes page 6 4 6 3 Information Related in Disassembly and Assembly page 6 5 6 3 1 Attentional item when disassembling or assembling page 6 5 1 Disassemble of LSU Unit 0 0 eee page 6 5 2 Disassemble of ITB Unit 0 0 0 0 eee page 6 5 3 Custody of OPC Unit sasecuascaeeeesuieaeeneeasacaneeaceaan s page 6 5 4 Custody of Toner Cartridge 0 annann cece es page 6 5 5 Disassemble of DEVE Drive Ass y and Main Drive Ass y page 6 5 6 Disassemble of Terminal Parts ccc eee eee ees page 6 5 7 Disassemble of Fuser Unit 0 0 0 0 cece eae page 6 5 6 3 2 Screw Used in the Printer 0 0 0 ccc cece eee page 6 6 6 3 3 Various Cover Open and Consumption Part Disassembly page 6 7 gt gt Consumption Parts disassembly 0 0 00 0 eee ee page 6 7 6 3 4 Replacing the Waste Toner Tank 0 0 cee eee ee eens page
13. O DESCRIPTION S 08 6 6 3 SPEC S1 SCREW MACHINE 6001 000485 2 6 4 GOLD S11 SCREW TAPTITE 6003 000269 3 6 GOLD cy S2 _SCREW TAPPING 8002 000115 4 15 GOLD saaan S12 SCREW TAPTITE 6003 001001 3 8 BLACK Y S13 SCREW MACHINE 6001 000568 3 8 SILVER lt S3 SCREW TAPPING 6002 000175 3 8 GOLD an S S14 SCREW TAPTITE 6003 001256 4 10 SILVER S4 SCREW TAPTITE 6002 000308 2 6 6 GOLD KREW TAPTITE 0002 000908 2 66 GOLD Ep Sy 15 SCREW TAPTITE 6003 000261 3 6 GOLD S5 SCREW TAPTITE 6003 000119 3 8 BLACK E T E TE T E E E E een N SS cy F S16 SCREW MACHINE 6003 001068 2 16 BLACK S6 SCREW TAPTITE 6008 000152 2 10 GOLD P P or er S17 SCREW TAPTITE 6003 000301 4 6 GOLD SS SESE SM SOREWTAPTITE sone cong01 ee GOLD naa ACSC HE IFT TE ARIS EEN EES UE TS REESE NY 5 w S18 SCREW SPICIAL 6009 001396 3 10 BLACK S8 SCREW TAPTITE 6003 000196 3 10 SILVER SS S wY D 8 S19 SCREW TAPTITE 6003 000008 4 6 SILVER S9 SCREW TAPTITE 6003 000266 3 6 GOLD ey 5 Y 2 S10 SCREW ASS Y MACH 6006 001193 3 6 GOLD D 2 6 6 Service Manual Samsung Electronics Disassembly and Reassembly 6 3 3 Opening Covers and replacing Consumable parts This section shows you how to open the covers front cover DEVE cover exit cover and duplex cover and how to remove and replace the consumable parts toner cartridge ITB unit and OPC drum gt gt Consumable parts r
14. ack and then take out the DEVE OEM PBA Pnn m _ 2 Remove 12 terminals Terminals Samsung Electronics 16 41 J Disassembly and Reassembly 6 4 18 Waste toner ass gt gt Before disassembling it Disassemble a front cover and a top cover Refer to 6 4 1 1 Release 6 screws 3 10 silver Upper part 4 screws Lower part 2 screws 2 Remove the waste toner ass y by first reaching into the OPC cavity and lightly depressing the waste toner receiver whilst at the same time gently pulling the waste toner motor assy away from the set Once the ass y is released refer to the photograph and remove the ass y Caution It is very likely that waste toner will be spilled when removing the waste toner ass y 6 42 Service Manual Samsung Electronics Disassembly and Reassembly 3 Release one screw 3 10 silver and then remove the sensor cover Samsung Electronics Disassembly and Reassembly 6 4 19 MPT Multi Purpose Tray gt gt Before disassembling it Disassemble all consumption parts Toner cartridge ITB unit and OPC drum Refer to 6 3 3 Disassemble the front cover and top cover Refer to 6 4 1 Disassemble the rear cover Refer to 6 4 3 Disassemble the duplex cover Refer to 6 4 4 Disassemble the SMPS amp main PBA Refer to 6 4 7 1 Release 4 screws 3 10 silver 2 Release the 2 clips located underneath the machine
15. ctronics 3 Release 5 screws 3 10 silver and then remove the harness cover To lf bd Harness Cover 4 Remove one harness 5 Remove the fuser by holding both sides of the fuser and then pulling the fuser upwards Samsung Electronics Disassembly and Reassembly 6 4 6 Exit Cover gt gt Before disassembling it Remove the front cover Refer to 6 4 1 remove the rear cover Refer to 6 4 3 remove the duplex cover Refer to 6 4 4 1 Remove the E ring and the hinge pin by using a flat bladed screwdriver e E Ring e Hinge Pin 2 Remove the exit cover Samsung Electronics Disassembly and Reassembly 6 4 7 SMPS and Main PBA gt gt Before disassembling it Remove the rear cover Refer to 6 4 3 1 Release 5 screws 3 6 machine screw gold from the main PBA bracket p n E Main PBA Bracket 2 Release 2 screws 3 10 machine screw silver connected to the main PBA parallel port and then remove the main PBA bracket 6 24 Service Manual Samsung Electronics Disassembly and Reassembly 3 Release 5 screws from the SMPS Release one screw 3 10 silver from the harness guide e A Right side 3EA 3 6 Gold e B Left side 1EA 3 10 Silver e C Bottom 1EA 4 10 Silver Harness Guide i a i k A m WH k Ginn r ae i an DE zE e T ay l CED Ole BB oo
16. ed Guide Pick Up Plate Ground Feed Eraser Lamp Harness 4 Remove the ACTUATOR EMPY JC72 00465A sensor arm and then take out the Pick up Ass y by lifting the right hand side and sliding the shaft from the frame 6 46 Traninung Manual Samsung Electronics Disassembly and Reassembly No Code Description Qt y 1 6003 000119 SCREW TAPTITE 1 JC33 00007A SOLENOID PICK UP JC61 00482A SPRING ETC PICK UP 1 JC70 00359A IPR GROUND FEED 1 JC70 00360A IPR GUIDE INPUT 2 3 4 5 1 6 JC72 00463A PMO CAP CONNECTOR L 1 7 8 9 JC72 00465A PMO CAP CONNECTOR U JC72 00719A PMO ACTUATOR EMPTY JC72 00729A PMO SHAFT PICK UP 1 11 JC72 01218A PMO HOLDER ERASER 1 JC72 41191A PMO BEARING SHAFT JC72 41364A PMO BUSHING_P U MP JC73 00149A RPR RUBBER PICK UP MLC500 5538 PBA ERASER ASS Y MLC500 5542 PBA PAPER EMPTY ASS Y lt Pick Up Ass y ExplodedView and Parts List gt Samsung Electronics
17. emoval 1 Pull the side handle to open the DEVE cover and then press down firmly until the toner cartridges are ejected Caution Before opening the exit cover completely open the DEVE cover eject the toner cartridges 2 Removing a toner cartridge K Y M and C EE Black Toner Cartridge gt Yellow Toner Cartridge EE Margenta Toner Cartridge E Cyan Toner Cartridge bag Caution Take care not to damage the rollers Keep the toner cartridge on a flat surface Service Manual 6 7 Samsung Electronics Disassembly and Reassembly 3 Open the exit cover by pressing the cover open button Exit Cover Deve Cove eie e Caution Before opening the exit over completely open the DEVE cover until it is at right angles to the main frame and the toner cartridges are ejected 4 Remove the ITB unit by releasing the ITB lock levers on both sides of the unit Lever Lever 6 8 Service Manual Samsung Electronics Disassembly and Reassembly 5 Remove the OPC drum by carefully lifting the unit using the handle provided Take care to ensure that the OPC drum surface is not scratched or damaged Do not touch the surface of the drum when lifting the drum handle or when removing the drum OPC Drum _ e s Caution The surface of the OPC drum could be damaged if the OPC drum is exposed to direct sunlight for
18. ited life shorter than that of the whole machine These parts must be replaced periodically The table below shows the interval at which these parts should be replaced The table shows the life of each part and is measured when using A4 paper When servicing a machine always check the status of these parts using the control panel and ensure that parts are replaced at the appropriate times otherwise a general degradation in print quality will occur COMPONENT REPLACEMENT CYCLE REMARK Toer Cartridge Black intial 2 000 pages 5 coverage User replace replacement 7 000 pages 5 coverage Toer Cartridge Cyan intial 1 500 pages 5 coverage User replace replacement 5 000 pages 5 coverage Toer Cartridge Magenta intial 1 500 pages 5 coverage User replace replacement 5 000 pagse 5 coverage Toer Cartridge Yellow intial 1 500 pages 5 coverage User replace replacement 5 000 pages 5 coverage OPC Unit mono 50 000 pages User replace color 12 500 pages ITB Unit T1 Roller mono 50 000 pages User replace color 12 500 pages Waste Toner Tank 3 000 Images User replace Fuser Unit simplex 100 000 pages Engineer duplex 50 000 pages Transfer Roller T2 Roller simplex 50 000 pages Engineer duplex 25 000 pages Page Counted value based on sides of paper printed Duplex 2 pages Image Counted value based on printed monochrome images When printing a color section 1 page 4 images i e each side is made up of 4 c
19. ive case anti static bag or wrapped in aluminum foil 2 Do not store a PBA where it is exposed to direct sunlight gt gt Precautions when replacing PBA 1 Disconnect power connectors first before disconnecting other cables 2 Do not touch any soldered connections connector terminals or other electronic parts when handling insulated parts gt gt Precautions when checking PBA 1 Before touching a PBA please touch other grounded areas of the chassis to discharge any static elec trical charge on the body 2 Take care not to touch the PBA with your bare hands or metal objects as you could create a short cir cuit or get an electric shock Take extra care when handling PBAs with moving parts fitted such as sen sors motors or lamps as they may get hot 3 Take care when fitting or removing screws Look out for hidden screws Always ensure that the correct screw is used and always ensure that when toothed washers are removed they are refitted in their orig inal positions 6 1 3 Releasing Plastic Latches Many of the parts are held in place with plastic latches The latches break easi ly release them carefully To remove such parts press the hook end of the latch away from the part to which it is latched 6 2 Service Manual Samsung Electronics Disassembly and Reassembly 6 2 Parts for Maintenance and Repair 6 2 1 Replacing cycle of parts for maintenance and Repair Some of the parts in this printer have a lim
20. o 4 Remove 4 harnesses from the SMPS Service Manual 6 25 Samsung Electronics Disassembly and Reassembly 5 Remove all harness connected to the main PBA 6 Release 5 screws 3 6 machine screw gold from the main PBA and then remove the main PBA Main PBA FR a a a ee ee N1 NIWA WASTE TONER i EXT B 3 iain HVPS DUPLEX Q OB Gen _ PANEL O W m mi n U m ee O ne EE ki E ae T2HOME EQ o BLOC Q l FSR_ROLL ABJ oa a FUSER FAN CQ j J C Nic sms vPEMPT AED a CNI MPSOL QNB ie i Parallel Port FEED AE e Pick uP CH nee CDn DRIVER CLT_FEED Q EB orc TA 7 cee LSU SW EMPT GI eee Sees EASER ee LSU_FAN 6 26 Service Manual Samsung Electronics Disassembly and Reassembly 6 4 8 Fuser Fan gt gt Before disassembling it Remove the top cover Refer to 6 4 1 Remove the rear cover Refer to 6 4 3 Remove the main PBA bracket Refer to 6 4 7 1 Release 3 screws 3 10 silver remove one harness from the main PBA and then take out the fuser fan Samsung Electronics Disassembly and Reassembly 6 4 9 Main Drive Ass gt gt Before disassembling It Remove the rear cover Refer to 6 4 3 Remove the fuser Refer to 6 4 5 Remove the SMPS Refer to 6 4 7 Remove the fuser fan Refer to 6 4 8 1 Remove all harnesses from the harness guides 2 Remove the SMPS cover bracket
21. olor images The life span of each of these parts is stored in memory The amount of each life used can be checked at any time using the control panel When a part is replaced it is necessary to reset the life used that is stored in memory How to initialize a the value of part s life span From the control panel select the following items in order Menu Setup Maintenance Check other Select a desired part Reset Service Manual 6 3 Samsung Electronics Disassembly and Reassembly 6 2 2 Printer Cleaning A printer should be regularly cleaned especially if it is used in a dusty environment This will ensure that print quality remains high and failure due to contamination of printing services is less likely to occur Clean the printer with a soft lint free cloth dipped in a Recommended cleaner Recommended cleaner can be purchased from our service center where available Do not touch the transfer roller when cleaning the inside of the printer Grease and oils from the skin will contaminate the surface and reduce print quality Do not touch transfer roller when cleaning inside of machine If transfer roller gets dirty printing quality could be low Please refer to the User Manual for cleaning instructions 6 4 Service Manual Samsung Electronics Disassembly and Reassembly 6 3 Information Related to Disassembly and Assembly 6 3 1 Special service parts Never disassemble or adjust the
22. urpose Tray 20 0000 eee page 6 44 6 4 20 Pick Up ASSY 2 6s5 ce 4undeae Gubaeednuedaoaaevenebens page 6 45 Traninung Manual 6 1 Samsung Electronics Disassembly and Reassembly 6 1 Precautions when replacing parts 6 1 1 Precautions when assembling and disassembling Use only approved Samsung spare parts Ensure that part number product name any voltage current or temperature rating are correct Failure to do so could result in damage to the machine circuit overload fire or electric shock Do not make any unauthorized changes or additions to the printer these could cause the printer to mal function and create electric shock or fire hazards Take care when dismantling the unit to note where each screw goes There are 19 different screws Use of the wrong screw could lead to system failure short circuit or electric shock Do not disassemble the LSU unit Once it is disassembled dust is admitted to the mirror chamber and will seriously degrade print quality There are no serviceable parts inside Regularly check the condition of the power cord plug and socket Bad contacts could lead to overheating and firfe Damaged cables could lead to electric shock or unit malfunction 6 1 2 Preautions when handling PBA Static electricity can damage a PBA always used approved anti static precautions when handling or storing a PBA gt gt Precautions when moving and storing PBA 1 Please keep PBA in a conduct
Download Pdf Manuals
Related Search