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Kyocera ECOSYS FS-6950DN, Service Manual

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Kyocera ECOSYS FS-6950DN Service Manual Download Page 66

2F7

1-5-4

1-5-3  Paper feed section

(1) Detaching and refitting the paper feed assembly (paper feed roller and pickup roller)

Procedure

1. Remove the paper cassette.
2. Slide the paper feed roller pin.
3. While pressing the lever and then remove 

the paper feed roller assembly.

4. Check or replace the paper feed assembly 

and refit all the removed parts.

Figure 1-5-4

(Paper

f

eed

 

roller)

(Pickup
roller)

Paper

 f

eed

 

asse

m

bly

Paper

 f

eed

 

roller

 

pin

L

ever

L

ock

Summary of Contents for ECOSYS FS-6950DN

Page 1: ...SERVICE MANUAL Published in January 2007 842F7115 2F7SM065 Rev 5 FS 6950DN...

Page 2: ...icials for details in your area for proper disposal ATTENTION IL Y A UN RISQUE D EXPLOSION SI LA BATTERIE EST REMPLACEE PAR UN MODELE DE TYPE INCORRECT METTRE AU REBUT LES BATTERIES UTILISEES SELON LE...

Page 3: ...2 1 7 2 4 2 2 August 4 2006 1 2 3 1 2 6 1 2 8 1 3 5 1 3 6 1 3 8 1 4 6 1 4 9 1 5 1 1 5 2 1 5 25 1 5 26 1 5 28 1 5 29 1 6 5 2 1 13 2 2 1 2 2 2 2 3 3 2 4 1 3 September 11 2006 1 3 14 1 5 12 1 5 13 4 Nov...

Page 4: ...This page is intentionally left blank...

Page 5: ...sonnel to ensure the safety of their customers their machines as well as themselves during maintenance activities Service personnel are advised to read this booklet carefully to familiarize themselves...

Page 6: ...this symbol CAUTION Bodily injury or damage to property may result from insufficient attention to or incorrect compliance with warning messages using this symbol Symbols The triangle symbol indicates...

Page 7: ...or dusty place This may cause fire or electric shock Do not install the copier near a radiator heater other heat source or near flammable material This may cause fire Allow sufficient space around the...

Page 8: ...carefully Always check that the copier is correctly connected to an outlet with a ground connection Check that the power cable covering is free of damage Check that the power plug is dust free If it i...

Page 9: ...trapped wire and missing screws Check that all the caution labels that should be present on the machine according to the instruction handbook are clean and not peeling Replace with new ones if necess...

Page 10: ...This page is intentionally left blank...

Page 11: ...ckground 1 4 13 9 Dirt on the top edge or back of the paper 1 4 13 10 Undulated printing at the left edge scanning start position 1 4 13 1 4 4 Electric problems 1 4 14 1 4 5 Mechanical problems 1 4 16...

Page 12: ...ry card 1 6 3 3 Downloading the firmware from the USB memory 1 6 5 2 1 Mechanical Construction 2 1 1 Paper feed section 2 1 1 1 Paper cassette paper feeding 2 1 1 2 MP tray paper feed section 2 1 2 3...

Page 13: ...ets 80 g m2 Photo conductor a Si diameter 30mm 1 3 16 Charging system Contact charger roller method positive charging Developing system Single component developer Transfer system Transfer roller Separ...

Page 14: ...out toner container 19 5 kg 43 lbs Operating noise During printing LpA 50 dB A During standby LpA 40 dB A During sleep mode Immeasurably low In accordance with EN ISO7779 Bystander position sound pres...

Page 15: ...ht side cover 7 Paper cassette 8 MP Multi Purpose tray 9 Left side cover 10 Power switch 11 Waste toner box 12 Rear unit 13 USB memory connector 14 USB interface connector 15 Network indicators 16 Par...

Page 16: ...2F7 1 1 4 2 Operation panel Figure 1 1 2 Ready PAR A4 PLAIN 1 Message display 2 Indicators 3 Menu key 4 OK key 5 Cursor keys 6 GO key 7 Cancel key...

Page 17: ...MP tray paper feed unit 3 Toner container 4 Developer unit 5 Main charger unit 6 Drum unit 7 Laser scanner unit 8 Paper exit section 9 Rear unit 10 Fuser unit 11 Transfer separation section 12 Duplex...

Page 18: ...2F7 1 1 6 This page is intentionally left blank...

Page 19: ...Avoid dust and vibration Choose a surface capable of supporting the weight of the machine Place the machine on a level surface maximum allowance inclination 1 Avoid air borne substances that may adve...

Page 20: ...ttacihng the label Installing the toner container and waste toner box Adding paper to paper cassette Connecting the printer cables Connecting the power cord and toner installing Printing a status page...

Page 21: ...packing 1 Printer 2 Outer case 3 Bottom pad L 4 Bottom pad R 5 Machine cover 6 Top pad L 7 Top pad R 8 Accessory spacer 9 Plastic bag 10 Installation guide etc 11 Plastic bag 12 Toner container 13 Pow...

Page 22: ...el sheet on the indicator as shown in the figure Figure 1 2 3 1 Open the top cover 2 Remove the tape Figure 1 2 4 Attaching the label Menu Ready PAR A4 PLAIN Language label sheet Installing the toner...

Page 23: ...the PUSH HERE marks on the toner container until the container clicks into place 7 Close the top cover Figure 1 2 6 8 Open the cap of the waste toner box 9 Open the left side cover 10 Insert the new w...

Page 24: ...Push the bottom plate down until it locks Figure 1 2 8 4 Turn the paper size dial so that the size of the paper you are going to use appears in the paper size window Figure 1 2 9 Adding paper to the...

Page 25: ...s pushing the lock lever one by one and adjust them to the desired paper size 7 Place the paper in the cassette with side to be printed downward so that the leading edge is aligned against the paper s...

Page 26: ...20 minutes 3 Wait until the message display indicates MSG language The default message lan guage is English 4 Press T or S key repeatedly until the mes sage display shows the desired language and then...

Page 27: ...es and the License Agreement displays If the installation program fails to launch use Windows Explorer to access the CD ROM and select Setup exe 3 Select View License Agreement to read the information...

Page 28: ...gning the cutouts of the memory with the matching keys of the socket carefully plug the memory into the memory socket until it clicks in place 6 Push the two socket clamps to secure the memory 7 Close...

Page 29: ...nect the power cord and printer cable 2 Remove the two screws and then open the option interface slot cover 3 Install the memory card or hard disk into the memory card slot 4 Close the option interfac...

Page 30: ...disconnect the power cord and printer cable 2 Remove the two screws and then open the option interface slot cover 3 Install the network interface card 4 Secure the network interface card by two screw...

Page 31: ...an event log EVENT LOG Displayed when FRPO I1 is set to 1 To set paper feed operation as printer driver priority mode To reset counter for the maintenance kit To initialize the developer unit toner i...

Page 32: ...00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 8088808880808000 8088808880808000 8088808880808000 8088808880808000 808880888080800...

Page 33: ...690 t P00 S00 U00 F00 N00 D50 DM0301 DAN 0002001001210052 0020 0020 1061 0811 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 AAAAAAA AAAAAAA AAAAAAA AAAAAAA AAAAAAA AAAAAAA AAAAAAA AAAAAAA AAAAAAA AAAAAAA AAAAAAA 003D...

Page 34: ...00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 0...

Page 35: ...Version error 03 Checksum error 04 NVRAM crush error NVRAM download 00 Normal bit0 Font data bit1 Host data bit2 Macro data bit3 Program data bit4 Operation panel message data download file name displ...

Page 36: ...per feeder 1 to 4 bit6 Reserved bit7 Duplex bit8 Reserved bit9 Reserved bit10 to 15 Reserved 2nd 2 bytes bit0 Face up bit1 Face down bit2 Reserved bit3 Reserved bit4 to 15 Reserved Operation panel mes...

Page 37: ...formation APC PWB table information 1 byte actual data 32 bytes DRT correction coefficient 4 bytes 11 23 groups Engine parameter Hexadecimal 128 bytes 256 digits Toner container information Drum seria...

Page 38: ...01 88 01 01 13 9998 10 48 01 88 01 01 12 9997 10 48 01 88 01 01 11 9996 10 48 01 88 01 01 10 9995 10 48 01 88 01 01 9 9994 10 48 01 88 01 01 8 9993 10 48 01 88 01 01 7 9992 10 48 01 88 01 01 6 9991 10...

Page 39: ...mode 1 MICR mode bit 7 Not used Second byte Displayed in OEM mode only 5 Main PWB mask version 6 Main PWB firmware release date 7 Total page counter 8 Drum serial number 9 Printer serial number 10 Pap...

Page 40: ...50 Paper does not arrive at the paper feeder 3 paper feed sensor Cassette 5 35 51 Paper does not pass the paper feeder 3 paper sensor 34 52 Paper remains at the paper feeder 3 paper feed sensor when...

Page 41: ...3 Cassette 4 Cassette 5 Printer 42 31 32 49 47 48 33 34 35 MP tray Sensors Fuser Fuser Fuser Inside the printer Inside the printer Inside the printer Rear unit Rear unit Rear unit Duplex conveying Du...

Page 42: ...Oficio II 22 Special 1 23 Special 2 24 A3 wide 25 Ledger wide 26 Full bleed paper 12 8 27 8K 28 16K R A8 16K E 32 Statement R B2 Statement E 33 Folio 34 Western type 2 35 Western type 4 e Detail of pa...

Page 43: ...ner container or maintenance kit 13 Unknown Toner Log NOTE It is not logged if 100 or more counts are not added to the count at the last error Count Item Remembers 1 to 5 of occur rence of unknown ton...

Page 44: ...means that maintenance kit should be replaced at 300 000 pages of printing The interval counter must be manually reset using this service item Maintenance kit MK 430 includes the following units Drum...

Page 45: ...he Ready state Ready will displayed Devel oper initialization is finished Completion Automatic drum surface refreshing Description The drum surface refreshing operation is normally performed when the...

Page 46: ...Purpose To clean the drum surface when image failure occurs due to the drum This mode is effective when dew condensation on the drum occurs Method 1 Enter the service mode Drum 2 Press the OK key Dru...

Page 47: ...4 1 2 Paper misfeed detection Figure 1 4 2 Paper Jam MP tray Paper misfeed location Paper misfeed message Paper Paper exit sensor exit sensor Paper exit sensor Face down tray paper full sensor Paper...

Page 48: ...engine PWB Replace the engine PWB See page P 1 5 22 0420 Paper feeder communication error Communication error between engine PWB and optional paper feeder Improper installa tion paper feeder Follow i...

Page 49: ...ce the harness Defective drum motor drive transmission system Check if the gears rotate smoothly If not grease the bushings and gears Check for broken gears and replace if any Defective drum motor Rep...

Page 50: ...e does not rise by 1 C 1 8 F after the fuser heater lamp M has been turned on continuously for 15 s during warm up or at standby The fuser thermistor S detection temperature does not rise by 1 C 1 8 F...

Page 51: ...fuser thermistor S temperature The temperature of the fuser thermistor S detects 250 C 482 F or more continu ously for 3 s Shorted fuser ther mistor S Measure the resistance If it is 0 replace the fus...

Page 52: ...e operation panel PWB and the main PWB Defective main PWB Turn the power switch off on to restart the printer If the error is not resolved replace main PWB See page P 1 5 26 Defective system DIMM PWB...

Page 53: ...ne PWB See page P 1 5 22 F050 Engine PWB ROM checksum error A checksum error occurred with ROM on the engine PWB Some error may have occurred when downloading the firmware of the engine PWB Download t...

Page 54: ...lack horizontal streaks P 1 4 9 P 1 4 10 P 1 4 11 P 1 4 11 P 1 4 12 6 Black vertical streaks 7 Unsharpness 8 Gray background 9 Dirt on the top edge or back of the paper 10 Undulated print ing at the l...

Page 55: ...ngine PWB Refer to figure1 4 3 above Poor contact of engine PWB s developing bias output terminal and devel oper unit s contact Check the installation of the developer unit Refer to figure 1 4 4 below...

Page 56: ...um main charger unit Refer to figure 1 4 5 below Figure 1 4 5 Poor contact of engine PWB s main charger out put terminal and printer s contact spring Check the installation position of the engine PWB...

Page 57: ...See page P 2 4 2 the problem may be the dam aged heat roller or press roller in the fuser unit Replace fuser unit heat roller or press roller If a fuser unit which is known to work normally is availa...

Page 58: ...e the current drum unit in the printer with the nor mal one If the symptom disappears replace the drum unit with a new one See page P 1 5 11 Defective developing roller developer unit If a developer u...

Page 59: ...ailable for check replace the current developer unit in the printer with the normal one If the symptom disappears replace the devel oper unit with a new one See page P 1 5 10 Print example Causes Chec...

Page 60: ...paper torn from a sheet is caught around actuator of registration sen sor paper exit sensor duplex sensor duplex jam sensor or face down tray paper full sensor Check visually and remove it if any Defe...

Page 61: ...one If the symptom disappears replace the fuser unit with a new one Defective harness between engine PWB YC6 and fuser drawer connector or improper connector inser tion Reinsert the connector Also che...

Page 62: ...k the installation position of paper feed drive unit paper feed clutch MP tray paper feed clutch and middle feed clutch or MP tray paper feed solenoid Defective installation position of paper feed mot...

Page 63: ...sly damaged When removing the hook of the connector be sure to release the hook 2 Drum Note the following when handling or storing the drum When removing the drum unit never expose the drum surface to...

Page 64: ...5 2 Outer covers 1 Detaching and refitting the top cover Procedure 1 Open the top cover 2 Remove the two screws 3 Remove the one connector and then remove the top cover Figure 1 5 1 Screw Screw Connec...

Page 65: ...ay 3 Open the rear unit 4 Remove the top cover See page P 1 5 2 5 Unlatch the three latches and then remove the right cover Figure 1 5 2 6 Remove the one screw 7 Unlatch the six latches and then remov...

Page 66: ...Procedure 1 Remove the paper cassette 2 Slide the paper feed roller pin 3 While pressing the lever and then remove the paper feed roller assembly 4 Check or replace the paper feed assembly and refit...

Page 67: ...il it locks 3 Unlatch the two latches and then remove the retard guide Figure 1 5 5 4 Remove the retard holder roller from the retard guide 5 Check or replace the retard roller and refit all the remov...

Page 68: ...ee page P 1 5 10 2 Remove the spring 3 Pull the registration upper roller Figure 1 5 7 4 Remove the registration upper roller from the bush 5 Remove the gear and bush from the regis tration upper roll...

Page 69: ...roller 9 Remove the gear and three bushes from the registration lower roller 10 Check or replace the registration upper and lower roller and refit all the removed parts Figure 1 5 10 Bush Registration...

Page 70: ...feed roller Procedure 1 Remove the paper cassette 2 Open the top cover 3 Remove the two holders from the main unit frame Figure 1 5 11 MP tray back side MP tray MP tray back side Holder Holder Main un...

Page 71: ...der 7 Slide the MP tray paper feed roller holder 8 Remove the MP tray paper feed roller 9 Check or replace the MP tray paper feed roller and refit all the removed parts Figure 1 5 13 Holder Main unit...

Page 72: ...Detaching and refitting the developer unit Procedure 1 Open the top cover 2 Open the MP tray 3 Remove the developer unit 4 Check or replace the developer unit and refit all the removed parts Figure 1...

Page 73: ...emove the developer unit See page P 1 5 10 2 Open the left side cover and then remove the waste toner box 3 Unlock the drum unit lock and then remove the drum unit 4 Check or replace the drum unit and...

Page 74: ...cedure 1 Remove the drum unit See page P 1 5 11 2 Unlock the lock lever and then remove the main charger unit 3 Check or replace the main charger unit and refit all the removed parts Figure 1 5 16 Mai...

Page 75: ...eveloper unit See page P 1 5 10 2 Remove the drum unit See page P 1 5 11 3 Slide the paper chute guide and unhook the hooks 4 Remove the paper chute guide Figure 1 5 17 5 Remove the shaft transfer rol...

Page 76: ...r brush unit is inserted into the four projections of the frame and does not run on to the projec tions B The separation charger brush unit is firmly in contact with the separation charger plate of th...

Page 77: ...he rear unit rails Do it both ends of the rear unit 3 Check or replace the fuser unit and refit all the removed parts Place the fuser unit on the rear unit rails and push the fuser lock so that the fu...

Page 78: ...edure 1 Remove the fuser unit See page P 1 5 15 2 Remove the two screws and then open the fuser unit Figure 1 5 21 3 Remove the two screws form the fuser heater lamp M and S Figure 1 5 22 Screw Screw...

Page 79: ...and S and refit all the removed parts Seat the fuser heater lamp M and S aligning its wattage mark and welding mark faced with the correct direction and side Figure 1 5 23 Fuser heater lamp M Fuser he...

Page 80: ...emove the heat roller from the fuser upper frame 3 Remove the heat R bush heat L bush heat gear Z46 and heat roller ground plate from the heat roller 4 Check or replace the heat roller and refit all t...

Page 81: ...fuser unit See page P 1 5 15 2 Open the fuser unit See page P 1 5 16 3 Remove the press roller from the fuser lower frame 4 Remove the two bearings 5 Check or replace the press roller and refit all th...

Page 82: ...ch the two latches and then remove the cord cover 4 Unlatch the four latches and then remove the fuser drawer connector 5 Remove the two connectors Figure 1 5 26 6 Remove the heat roller See page P 1...

Page 83: ...move the two screws nuts and then remove the terminal and cord plate 10 Remove the thermal cutout 11 Check or replace the fuser thermistor S and M and thermal cutout and refit all the removed parts Fi...

Page 84: ...an motor See page P 1 5 28 5 Stand the printer front side up 6 Remove the five screws and then remove the bottom plate 1 7 Remove the four screws and then remove the bottom plate 2 Figure 1 5 30 8 Rem...

Page 85: ...remove the DU base Figure 1 5 32 12 Remove the four snaps 13 Remove the one tab 14 Remove the one screw and then remove the grounding terminal Figure 1 5 33 Screw DU base Screw Screw Screw Screw Screw...

Page 86: ...Remove the three screws and then remove the engine PWB assembly 18 Remove the two connectors B from the engine PWB Figure 1 5 34 Left wire guide Connector A Connector A Connector B Connector B Connec...

Page 87: ...plate engine L ground plate and shield plate 22 Check or replace the engine PWB and refit all the removed parts To replace the engine PWB remove the EEPROM from the old engine PWB and mount it to the...

Page 88: ...age P 1 5 3 3 Remove the six connectors from the main PWB 4 Remove the one screw and then remove the connect R PWB 5 Remove the wires from clamp Figure 1 5 36 6 Remove the six screws and then remove t...

Page 89: ...the connector Figure 1 5 38 9 Remove the five screws and then remove the main PWB from the controller box 10 Check or replace the main PWB and refit all the removed parts Figure 1 5 39 Inner cover Sc...

Page 90: ...1 Remove the top cover See page P 1 5 2 2 Remove the right and left cover See page P 1 5 3 3 Remove the one connector YC11 form the connect L PWB 4 Remove the two hooks and then remove the PSU fan mo...

Page 91: ...ctor between con nect L PWB and then remove the power source unit 9 Remove the power source unit 10 Check or replace the power source unit and refit all the removed parts Figure 1 5 42 Screw Screw Scr...

Page 92: ...6 Remove wires from the clamp 7 While opening the four hooks and then remove the wires 8 Remove the right fan motor Figure 1 5 43 9 Remove the three screws and then remove the paper feed drive unit 10...

Page 93: ...ee page P 1 5 2 2 Remove the right cover See page P 1 5 3 3 Remove the controller box See page P 1 5 26 4 Remove five screws and then remove the main drive unit 5 Check or replace the main drive unit...

Page 94: ...2 Remove the right cover See page P 1 5 3 3 Remove the three connectors from the main PWB 4 Remove the four screws and then remove the laser scanner unit 5 Check or replace the laser scanner unit and...

Page 95: ...rmware from PC via the parallel interface or using a memory card that contains the new firmware Figure 1 6 1 S2F7_1000001021 cmp Firmware file name example Product code 2F7 This machine Pause under ba...

Page 96: ...ed to the printer 8 Message display 5 is displayed during downloading When message display 6 is displayed to indicate downloading is fin ished turn printer power off and then turn on 9 Confirm that me...

Page 97: ...ure 1 6 When formatting is complete turn printer power off Figure 1 6 5 7 Remove the formatted memory card from the memory card slot 8 Insert the memory card to the PC s slot or to the adaptor 9 Copy...

Page 98: ...mory card slot 19 Turn printer power on 20 Confirm that message display 4 is dis played after warm up 21 Print the status page Print the status page to check that the firmware version has been updated...

Page 99: ...during downloading 8 When message display 3 is displayed to indicate downloading is finished 9 Turn printer power off 10 Remove the USB memory from USB mem ory slot 11 Turn printer power on 12 Confirm...

Page 100: ...2F7 1 6 6 This page is intentionally left blank...

Page 101: ...ction is then sent in between the feed roller and the retard roller Function of the built in torque limiter in the retard roller gives weak resistance force against the rota tion Normally when only a...

Page 102: ...revents papers from multiple feeding Figure 2 1 3 MP tray paper feed section Figure 2 1 4MP tray paper feed section block diagram 1 MP tray paper feed roller 2 Bottom plate 3 MP tray frame 4 MP tray s...

Page 103: ...d on and then sent to the transfer separation sec tion by the upper registration roller and lower registration roller Figure 2 1 5Paper feed conveying section Figure 2 1 6Paper feed conveying section...

Page 104: ...le with the main charger unit Figure 2 1 7 Drum section Figure 2 1 8Drum section block diagram 1 Drum 2 Main charger case 3 Charger roller cleaning roller 4 Main charger roller TB2 Main high voltage o...

Page 105: ...am is dis persed as the polygon motor revolves to reflect the laser beam over the drum Various lenses and mirror are housed in the laser scanner unit adjust the diameter of the laser beam and focalize...

Page 106: ...Main PWB APC PWB Polygon motor PD PWB Pin photo sensor YC12 1 YC10 1 YC12 2 YC14 2 YC14 4 YC14 5 YC14 7 YC14 8 YC12 2 YC12 3 POLRDYN POLONN OUTPEN YC12 4 PDMASKN POLCLK SAMPLEN1 VDATAP1 VDATAN1 BEAMS...

Page 107: ...r or not toner remains in the developer unit Figure 2 1 11Developer unit Figure 2 1 12Developing section block diagram 1 Developing blade 2 Blade magnet 3 Developing roller 4 Developer case 5 Agitator...

Page 108: ...the transfer roller The transfer roller is negatively biased so that the positively charged toner is attracted onto the paper while it is pinched by the drum and the transfer roller Figure 2 1 13Tran...

Page 109: ...cleaned to the electrically neutral state This is necessary to erase any residual positive charge ready to accept the uniform charge for the next print process The residual charge is canceled by expo...

Page 110: ...he fuser thermistor detects the temperature of the surface on the heat roller heated by the fuser heater lamp and this temperature is controlled by the engine PWB If the fuser section shows extremely...

Page 111: ...m Fuser unit Thermal cutout Fuser heater lamp M Fuser heater lamp S Heat roller Paper exit sensor Fuser thermistor S Fuser thermistor M Power source PWB Engine PWB YC102 1 YC6 9 YC6 2 YC102 3 YC102 5...

Page 112: ...he guide comprised of the rear cover and the frame finally reaching the face down upper roller The paper is delivered to the top tray by the rotation of the face down upper roller Figure 2 1 19Paper e...

Page 113: ...gram Connect R PWB Connect L PWB Face down tray paper full sensor Fuser unit Rear unit Paper exit section Face up down solenoid Duplex sensor YC9 2 YC9 3 YC9 4 YC9 5 AUTA1 AUTB3 AUTB1 AUTB3 Engine PWB...

Page 114: ...igure 2 1 22Duplex conveying section block diagram 1 DU roller 2 DU feed pulley 3 DU base 4 DU lower guide 5 DU roller 6 DU feed pulley 7 Duplex jam sensor actuator 8 DU roller 9 DU feed pulley 10 Fee...

Page 115: ...oftware such as the print data processing and provides theinterface with computers 2 Engine PWB Controls printer hardware such as high voltage bias output control paper conveying system control and fu...

Page 116: ...uplex sensor Detects paper jam in the rear unit 25 Temperature humidity sensor Detects the ambient temperature and absolute humidity 26 Toner sensor Detects the toner in the toner container 27 Fuser t...

Page 117: ...ro cross signal circuit MP tray paper feed sensor Power source unit Connect L PWB 5V1 SWSLEEPN AC input 24V1 24V2 24V3 HEATONN2 HANDSN ZCROSS HEATONN1 Interlock switch 1 Interlock switch 2 Power switc...

Page 118: ...C power source via interlock switch 1 Connected to the con nect L PWB 2 24V2 O 24 V DC 24 V DC power source via interlock switch 1 3 GND Ground 4 GND Ground 5 GND Ground 6 GND Ground 7 24V3 I 24 V DC...

Page 119: ...tration sensor Duplex jam sensor Paper gauge sensor 1 Paper gauge sensor 2 Duplex sensor Connect L PWB Paper feeder Drum PWB Waste toner sensor PWB Eraser lamp PWB Photo transistor Waste toner sensor...

Page 120: ...2F7 2 3 4 Figure 2 3 4Engine PWB silk screen diagram YC12 YC10 20 19 2 1 1 5 YC4 YC6 YC1 1 13 14 1 2 7 1 14 YC15 U7 1 2 13 1 1 13 8 1 1 12 5 YC11 YC9 YC8 YC5 YC3...

Page 121: ...DC pulse Paper feeder serial communication clock signal 10 OPRDYN I 0 5 V DC Paper feeder READY signal 11 OPSEL0 O 0 5 V DC Paper feeder selection signal 0 12 OPSEL1 O 0 5 V DC Paper feeder selection...

Page 122: ...y detection sensor clock signal and detection voltage humidity YC10 1 24V4 O 24 V DC 24 V DC power source Connected to the main motor 2 GND Ground 3 MMOTONN O 0 5 V DC Main motor On Off 4 MMOTRDYN I 0...

Page 123: ...2F7 2 3 7 YC15 1 5V1 O 5 V DC 5 V DC power source Connected to the feed fan motor 2 FANDRN O 0 2 5 5 V DC Feed fan motor Full speed Half speed Off Connector Pin Signal I O Voltage Description...

Page 124: ...BINTTH USBVBUSH USBCLK URESET URVALI D UTXREADY URXACTIVE URXERR UOPMODE 1 0 ULSTATE 1 0 USUSPPEND UTERMSEL UTXVALID USBDATA 15 0 UXCVRSEL HUSBDP HUSBDM VBUSSW OUTPEN PDN VDATAP N 2 1 SAMPLEN 2 1 POWC...

Page 125: ...10 11 12 1 2 3 4 5 6 7 8 9 10 11 12 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 3 4 1 2 3 4 2 1 1 2 2 1 1 2 2 1 2 1 Drum motor Main motor S03092 S03084 S03085 Fuser therm istor M Fuse...

Page 126: ...e of defect 39 mm 1 9 16 Developing roller 38 5 mm 1 1 2 Main charger roller 94 mm 3 11 16 Drum 36 mm 1 7 16 Upper registration roller 52 mm 2 1 16 Lower registration roller 93 mm 3 11 16 Heat roller...

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