Oki C911 DICOM Maintenance Manual Download Page 265

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45530603TH Rev.2

7-5

Oki Data CONFIDENTIAL

7. PERIODIC MAINTENANCE

(6) Push the center lever (blue) to the right.

(7) Rotate the belt unit left/right lock lever knobs (blue) to the left, and pull the lock lever

to front-side.

❶

❷

(8) Hold the handle and pull out the belt unit, hold the right and left labeled parts (blue)

and remove the belt unit.

Note!

• Carefully remove the belt unit so that waste toner does not spill.

• Never place the removed belt units upright.

Note!

Ensure not to touch or damage the Belt surface.

Summary of Contents for C911 DICOM

Page 1: ...C911 C931 C941 Maintenance Manual 120213B...

Page 2: ...other manufacturers and referred to in this guide will not affect the applicability of the information in it Mention of software products manufactured by other companies does not necessarily constitut...

Page 3: ...e without notice Unexpected mistakes may exist in the manual OKI will not assume any responsibility whatsoever for damage to the equipmentrepaired adjusted changed by the user etc with this manual The...

Page 4: ...ed before taking corrective actions against abnormalities 4 2 4 3 Precautions when taking corrective actions against abnormalities 4 2 4 4 Preparation for troubleshooting 4 2 4 5 Troubleshooting metho...

Page 5: ...t Low Voltage FAN Geard Motor 6 22 6 2 26 Paper size sensor 6 22 6 2 27 Belt Drive Assy Fuser Drive Assy Belt Mini Pitch 6 23 6 2 28 MPT Unit 6 23 6 2 29 Hopper Assy Board F1S MPT relay PCB 6 24 6 2 3...

Page 6: ...Oki Data CONFIDENTIAL 1 CONFIGURATION 1 1 System configuration 1 2 1 2 Printer configuration 1 4 1 3 Composition of optional items 1 5 1 4 Specifications 1 6 1 5 Interface specifications 1 9...

Page 7: ...1T 2 OPT cnt CPU Fuser Control Temp Port cnt CPU Power PU Second transfer FAN Left Side MPT cover Paper size Paper width Paper thick sensor Driver Board F1D Driver CPU CE1 Sub EMF Sub LED HEAD W DDR3...

Page 8: ...ex unit control 7 F1T 2 Optional tray units control 8 F1P or F1A Control panel control 9 F1E External LED 10 F1G Tag terminal 11 F1H Head power relay 12 F1K Cassette sensor relay Common to the main un...

Page 9: ...al part of the printer is composed of the following sections Electrophotographic processing section Paper paths Controller a combination PU CU board Operator panel Power supplies high voltage power su...

Page 10: ...items The following optional items are available for the apparatus 1 Optional Tray Unit 4 Internal hard disk 2 Optional Tray Unit with Casters 3 High capacity OptionalTray Unit three layer of optional...

Page 11: ...ogram font 128MB Classification Item Specification C911dn C931dn ES9411dn ES9431dn C941dn ES9541dn Power consumption Power input ODA ODB 120V AC 10 OEL ODA230 AOS Korea China 230V AC 10 Off mode 100 1...

Page 12: ...e after printing Factory default Sleep mode Background level Classification Item Specification C911dn C931dn ES9411dn ES9431dn C941dn ES9541dn Paper handling Tray capacity 1st tray Universal cassette...

Page 13: ...1000BASE T 100BASE T 10BASE T Page description language Standard PCL6 PCL5c PCLXL3 0 XPS Direct PDF Printing PDF1 7 PostScript3 IBM PPR III XL EPSON FX Emulation switch Automatic Font Bit map font Pro...

Page 14: ...f powered device 1 5 1 2 USB interface connectors and cables 1 Connector Printer side B receptacle female Upstream port Product equivalent to UBB 4R D14C 4D LF SN Connector pin arrangement 2 3 4 1 Cab...

Page 15: ...on 1 0 acquiring IPv6 Ready Logo Phase 2 IPv6 Core Protocols 1 5 2 2 Connector and cable of network interface 1 Connector 1000BASE T 100 BASE TX 10 BASE T automatically switched not usable simultaneou...

Page 16: ...L 2 DESCRIPTION OF OPERATION 2 1 Electrophotographic process mechanism 2 2 2 2 Printing process 2 5 2 3 Low voltage Power Supply 2 17 2 4 Cover Opening and Closing Detection Switch 2 18 2 5 Initializa...

Page 17: ...lt by the first transfer roller that is arranged at inside of the intermediate transfer belt Therefore the toner image is transferred to the intermediate transfer belt Then the toner image is transfer...

Page 18: ...2 The electrostatic latent image at surface of the OPC drum is formed a visible image by the toner 5 Transfer The intermediate transfer belt is arranged in contact with the OPC drum surface And the e...

Page 19: ...ens and shuts down the power supplied to the heater The pressure roller is pressed against the fuser belt by press springs those arranged both sides of the pressure roller Heater Assy Thermostat Fuser...

Page 20: ...lex unit by the separation of the Duplex separator After the paper is entered the paper reverse transportation path the paper is transported from there to the inside of the Duplex unit by the reversal...

Page 21: ...IN 1 sensor comes ON When the hopping clutch is ON the paper feed roller is driven 2 After causing the IN 1 sensor to come ON the paper is further transported over a certain distance to finally again...

Page 22: ...ed on the intermediate transfer belt Intermediate transfer roller unit Fuser unit Timing roller Belt drive roller Paper K Dru m C Drum M Drum Y Drum Intermediate transfer belt First transfer roller Sp...

Page 23: ...ation of each of the ID units is performed by clock wise the motor When move the Up Down solenoid come out the latch of the trigger gear and rotate the trigger gear by detent spring Rotate trigger gea...

Page 24: ...Face down stacker Fuser unit Fuser belt Fuser roller Fuser motor Decurler mechanism Figure 2 8 8 JobOff Parts Structure and Operation As illustrated in Figure 2 9 the position of paper ejected to face...

Page 25: ...nsor as illustrated in Figure 2 10 the cam rotates with the reverse rotation of the feed motor causing the shutter of the color registration sensor and the density sensor to open 2 When the cam rotate...

Page 26: ...tion will have to be performed in the self diagnostic mode section 5 3 2 6 to check the error indication Error checking methods and countermeasure The color registration test function among the other...

Page 27: ...ill have to be performed in the self diagnostic mode section 5 3 2 7 to check the error indication Error checking methods and countermeasure The density correction test function among the other self d...

Page 28: ...Fuser Unit ID counter One count represents the value that results from dividing the amount of rotation of the drum by three when three A4 size sheets in Long Edge Feed are printed in continuous print...

Page 29: ...counted on an A4 Letter basis Refer to A4 Letter conversion table on the next page Operation when paper has jammed Printed pages are not counted when a paper feed hopping jam or a feed jam code 380 oc...

Page 30: ...printed pages are not counted The printed pages are counted if paper jams occur after passing the fuser Dealing for Duplex printing The count is increased by two In the case of the printing of both si...

Page 31: ...6 1 2 B4 2 4 B5 1 2 JIS B6 1 2 COM 10 1 COM 9 1 DL 1 C5 1 C4 1 HAGAKI 1 2 OUFUKUHAGAKI 1 2 Nagagata 3 ENVELOPE1 1 Nagagata 4 ENVELOPE2 1 Yougata 4 ENVELOPE3 1 Kakugata 2 ENVELOPE5 2 Kakugata 3 ENVELOP...

Page 32: ...board lighted off Turning ON and OFF of 5VS to the main CPU is performed by the Power supply control CPU 2 3 2 Power supply Voltage in Each Mode The output voltage value of the low voltage power supp...

Page 33: ...is displayed by opening the front cover during the sleep mode Front cover is opened Refer to the Help Exit unit opening closing detection The removal of the fuser unit is detected by opening the exit...

Page 34: ...CE1 MAIN 5 Completion of the Sub CE1 Recognition processing of CE1 SUB 6 Completion of loading the PU FW The Engine control program is read from NAND FLAHS IC702 and expanded to memory 7 Completion of...

Page 35: ...ONFIDENTIAL 3 INSTALLATION 3 1 Cautions and do s and don ts 3 2 3 2 Installation instructions 3 3 3 3 Cautions for mounting Optional Tray Unit 3 4 3 4 Cautions for Banner Tray 3 7 3 5 Cautions for Pac...

Page 36: ...s parts that get extremely hot In the event that the cover becomes unusually hot emits smoke bad smell or abnormal noise remove the power plug from the power outlet and contact the customer informatio...

Page 37: ...nsure that none of the accessories to the apparatus is missing and that they are free from breakage or other flaw If any irregularity is discovered contact the user management section for instructions...

Page 38: ...lign the holes on the base to the 2 protrusions on the Optional Tray Unit Gently place the main unit on the Optional Tray Unit For the Optional Tray Unit and large capacity Optional Tray Unit with cas...

Page 39: ...Rev 2 3 5 Oki Data CONFIDENTIAL 3 INSTALLATION 2 Loosen the nuts upper side at the top of the feets 2 pieces on the right of the apparatus 3 Rotate the nuts and bolts at the bottom of each foot to low...

Page 40: ...45530603TH Rev 2 3 6 Oki Data CONFIDENTIAL 3 INSTALLATION 4 When each foot has reached the ground tighten the upper side nuts at the top to secure the tray unit...

Page 41: ...oner replacement cover and the front cover Stacker Stacker handle Handle Custom sized paper storage section Handle 3 Attach the Banner tray onto the multi purpose tray 1 Hold the handle of Banner tray...

Page 42: ...rusions of Banner tray into the insertion points on both sides of the multi purpose tray 4 Check that the Banner tray is secured in place 5 Close the toner replacement cover and the front cover 6 Hold...

Page 43: ...he multi purpose tray 8 Lower the stacker towards the Banner tray side When remove Check that there are no paper in the Banner tray 1 Pull out the Banner tray 1 Open the toner replacement cover and th...

Page 44: ...packing the printer close the toner change cover completely following procedure Note Be sure to unplug the AC cable Packing when transport only 1 Power off the Printer b a c 2 Remove the all toner car...

Page 45: ...STALLATION 5 Fasten toner cartridge detect lever by adhesive tape 6 Fasten all toner cartridge detect lever as above procedure 4 to 5 7 Check the toner change cover close completely Note Peel the adhe...

Page 46: ...ers to be checked before taking corrective actions against abnormalities 4 2 4 3 Precautions when taking corrective actions against abnormalities 4 2 4 4 Preparation for troubleshooting 4 2 4 5 Troubl...

Page 47: ...th your hand and do not allow any foreign materials to touch it 2 Do not expose the OPC drum to the direct sunlight 3 The fuser unit is extremely hot Do not touch 4 Do not expose image drums to any li...

Page 48: ...atus Message represents a blank line Online indicator Inspection lamp Details Error code Firmware Update Error Please retry If network doesn t work please try firmware update over USB Varies Varies In...

Page 49: ...ELP for details Off Blink This error indicates that the waster toner box is missing and printing stops Error 331 LCD Status Message represents a blank line Online indicator Inspection lamp Details Err...

Page 50: ...Indicates detection of a paper jam in the multi pass print path Error 375 Multi Path JAM Error 375 Open Right Side Cover Paper Jam Please see HELP for details Off Blink Indicates that a paper jam has...

Page 51: ...Status Message represents a blank line Online indicator Inspection lamp Details Error code Install Toner Or Press OK Button COLOR Please see HELP for details Off Blink Indicates that a toner empty er...

Page 52: ...nter recognizes no duplex unit not indicate that a duplex unit was installed recognized and then removed Error 458 LCD Status Message represents a blank line Online indicator Inspection lamp Details E...

Page 53: ...ve Paper STACKER Please see HELP for details Off Blink The stacker of the printer unit is filled with printed paper Error 480 Face Down Stacker Error 484 Face Up Stacker Error 480 484 LCD Status Messa...

Page 54: ...in the Factory Mode this error is displayed as Service call 163 Error 5400 Yellow Error 5401 Magenta Error 5402 Cyan Error 5403 Black Error 5404 White Error 5405 Clear Error 5400 5401 5402 5403 5404...

Page 55: ...ails Off Blink Indicates that the cover is open Error 586 Toner cover Error 586 LCD Status Message represents a blank line Online indicator Inspection lamp Details Error code Close Cover COVER Please...

Page 56: ...cessively fed paper remains in the printer Error 640 J4 Duplex Entry Path Error 641 J5 Duplex Reversal Path Error 642 J3 Duplex Transport Path Error 640 641 642 Check the lower side of Duplex Unit Pap...

Page 57: ...dicates that no spot color duct is installed Error 676 Spot Color settings changes Shut down and restart to enable new settings Off Blink This status message is displayed when the spot color setting i...

Page 58: ...s Message represents a blank line Online indicator Inspection lamp Details Error code Incompatible Image Drum COLOR Please see HELP for details Off Blink Indicates detection of an image drum not suita...

Page 59: ...ne Online indicator Inspection lamp Details Error code Incompatible Image Drum COLOR Please see HELP for details Off Blink The detected image drum is not optimal Invalid Image Drum Detected Error 7100...

Page 60: ...ll turn off automatically It may take some time to complete this process Off Off Indicates that the printer is shutting down The shut down process is started by holing down the power switch for four o...

Page 61: ...rror 043 Error 045 Error Flash File System Error Failed to access to the Flash ROM that is mounted directly on the CU PCB Format the Flash forcibly This requires caution as it erases NIC F W The NIC F...

Page 62: ...es Power OFF ON Replace the printer control PCB Panel display Cause Check details Result Solution Service Call 108 Error 09 Detection of an error in clock adjustment to the duplex unit Does this error...

Page 63: ...ts of the high voltage system Is there any defective contact point No Replace the high voltage power supply unit Service Call 123 Error Abnormal environment humidity or unconnected humidity sensor Pow...

Page 64: ...e FFC connection condition between the LED head and the PCB No Correct the FFC connection condition Does this error recur Yes Replace the LED head unit Does this error recur Yes Replace either applica...

Page 65: ...r cover and inspect the initial movement Is there any abnormality with up down movement No Replace the ID unit Yes Inspect the driver replay PCB ID up down sensor ID motor driving mechanism Panel disp...

Page 66: ...he power is restored the display may change to Service Call 994 Error in some cases Panel display Cause Check details Result Solution Service Call 181 Error 182 Error 183 Error 184 Error 185 Error Opt...

Page 67: ...ON Does this error message reappear Yes Format the HDD again If it does not solve the problem replace the HDD Panel display Cause Check details Result Solution Power Off On 901 Error 902 Error Short c...

Page 68: ...rocess for the file system can be started from Others Setup Storage Common Setup Check File System of Admin Setup Erasing Disk nnn Off Off Indicates that the hard disk is being erased The erasure proc...

Page 69: ...ies to make When the total number of copies is 1 the normal message PRINTING is displayed LCD Status Message represents a blank line Online indicator Inspection lamp Details Copy kkk lll Varies Varies...

Page 70: ...iately after this message appears therefore it is hard to read this message Color Adjusting Varies Varies Indicates that automatic color adjustment is being executed LCD Status Message represents a bl...

Page 71: ...n lamp Details Remedial measure TRAY Near End Varies Varies Indicates that paper in the selected tray specified for Paper Feed in menus is running out While the printer is idling Ready to print the LC...

Page 72: ...ear Prompts the user to use an optimal toner cartridge LCD Status Message represents a blank line Online indicator Inspection lamp Details Remedial measure Incompatible COLOR Toner Varies On Indicates...

Page 73: ...of user intervention PS Memory Overflow Blink Varies The PostScript interpreter detected insufficient memory for processing the job LCD Status Message represents a blank line Online indicator Inspecti...

Page 74: ...isplayed when the cover is opened closed or the power is restored after a transfer belt life error occurs Replace with a new belt unit Change Waste Toner Box Varies On When the cover is opened and clo...

Page 75: ...Clear Prompts the user to use an optimum image drum LCD Status Message represents a blank line Online indicator Inspection lamp Details Remedial measure COLOR Image Drum Life Varies On Indicates that...

Page 76: ...ack Calibration Error In the Shipping Mode the PU firmware does not notify the CU firmware of this status therefore this error does not occur in a user environment Density Black Sensor Error Varies Va...

Page 77: ...rom that tray becomes unavailable Tray 1 Tray 2 Tray 3 Tray 4 Tray 5 Remove and reset the cassette of the indicated tray LCD Status Message represents a blank line Online indicator Inspection lamp Det...

Page 78: ...e USB Hub LCD Status Message represents a blank line Online indicator Inspection lamp Details Remedial measure Unsupported USB Device Detected Please detach it Varies Varies Indicates that a USB devic...

Page 79: ...Related to JobAccount This message remains displayed until the OK button is pressed Execute Acquire immediately on the server PC with the print job accounting LCD Status Message represents a blank li...

Page 80: ...ROR 25 WRITE ONLY Replace the HDD Invalid Secure Data Press OK Button Varies Varies Indicates that an integrity check in authentication printing found data corruption of the job so the job has been de...

Page 81: ...is turned on 4 69 8 2 Paper unloading jam occurs after a paper is taken into printer 4 69 8 3 Paper unloading jam occurs in the middle of paper running path 4 70 9 Duplex printing jam Errors 370 371...

Page 82: ...OM Visually check the sheath of the cable for peeling Replace with a normal cable Connection between the control panel PCB and the LCD Check if the FCP is normally connected to the LCD connector of th...

Page 83: ...n 2 1 Any operation does not start at all Check item Check work Actions to be taken at NG 2 1 1 Check the peripherals of the power supplies AC power that is supplied to the printer Check the supplied...

Page 84: ...Check if operations of the respective motors are normal or not by using the self diagnostic mode Check if any load exists or not Buzzer sound when an error occurs Replace the corresponding consumable...

Page 85: ...again and recheck the operations Replace the optional part Note If any troubles such as printer does not start up normally occurs remove the CU option HDD and check if the trouble symptom changes or...

Page 86: ...per jam has occurred Open TRAY 5 Side Cover Please see Help for details Tray5 IN1 Error code Message on the display screen Sensor name s 635 Check the paper fed to the printer Open Tray 5 Side Cover P...

Page 87: ...s sensor IN2 sensor MPT Paper end sensor MPT Last sheet detection sensor Tray1 IN1 sensor DUPLEX Front sensor Tray1 paper end sensor Tray1 paper near end sensor Tray2 IN1 sensor Tray2 paper end sensor...

Page 88: ...ng Be sure to hold the handle to lift When it is hot wait until it cools down and start the work 1 Lift the opener of the output unit and pull out the output unit 4 Close the right side cover 5 Open t...

Page 89: ...If there is remaining paper in the fuser unit pull up the fuser unit s jam release levers blue 4 Ensure to slowly pull the remaining paper in the opposite direction from the paper feeding direction 5...

Page 90: ...ata CONFIDENTIAL 4 TROUBLESHOOTING PROCEDURE 9 If paper winds around the Decurl unit remove the decurl unit and pull out the remainning paper Note Pay attention to don t drop into the printer when rem...

Page 91: ...tput unit and attach the screw Note Pay attention to don t drop into the printer when attach the screws 11 Hold the fuser unit s handle with both hands and set to the output unit 12 Push down the fuse...

Page 92: ...7 Oki Data CONFIDENTIAL 4 TROUBLESHOOTING PROCEDURE 14 Lift the Opener and open the right side cover Opener 15 Slowly remove the remaining paper 16 Close the right side cover 17 Put the output unit ba...

Page 93: ...output unit If the jammed paper cannot be seen put the output unit back into the printer and go to Removing paper from the duplex unit 2 If there is remaining paper in the fuser unit pull up the fuse...

Page 94: ...surface 7 Pull up the fuser unit s jam release levers blue and be sure to slowly pull out the remaining paper in the opposite direction from the paper feeding direction 8 If paper winds around the Dec...

Page 95: ...e Pay attention to don t drop into the printer when attach the screws 11 Push down the fuser unit s lock lever blue 12 Put the output unit back into the printer 10 Hold the fuser unit s handle with bo...

Page 96: ...0603TH Rev 2 4 51 Oki Data CONFIDENTIAL 4 TROUBLESHOOTING PROCEDURE Removing paper from the duplex unit 1 Pull out the duplex unit 2 Remove the remaining paper 3 Put the duplex unit back into the prin...

Page 97: ...CONFIDENTIAL 4 TROUBLESHOOTING PROCEDURE Error Code 391 392 393 394 395 631 632 633 634 635 Example In the case of Tray 1 1 Open the tray side cover indicated by the error code 2 Remove the remaining...

Page 98: ...642 1 Pull out the duplex unit and detach it by slightly lifting with both hands If jammed paper cannot be seen in the printer or duplex unit put the duplex unit back into the printer and go to step...

Page 99: ...ly remove the remaining paper 6 If the tip of the remaining paper is not visible pull up the fuser unit s lock lever blue 7 Hold the fuser unit s handle with both hands and remove the unit onto a flat...

Page 100: ...OOTING PROCEDURE 9 Hold the knob and push down the transfer roller unit 10 If paper winds around the Decurl unit remove the decurl unit and pull out the remainning paper Note Pay attention to don t dr...

Page 101: ...old the fuser unit s handle with both hands and set to the output unit Note Check the inside of the printer for remaining paper and then set the fuser unit 11 Set to the output unit and attach the scr...

Page 102: ...4 TROUBLESHOOTING PROCEDURE 13 Push down the fuser unit s lock lever blue Error Code 375 650 1 Pull out the duplex unit and detach by slightly lifting it 14 Put the output unit back into the printer 2...

Page 103: ...ta CONFIDENTIAL 4 TROUBLESHOOTING PROCEDURE 3 Put the duplex unit back into the printer 4 Pull out the output unit and remove the remaining paper If no paper remains in visible locations in the printe...

Page 104: ...the tip of the remaining paper is not visible pull up the fuser unit s lock lever blue 7 Hold the knob pull up the transfer roller unit lift the paper guide and remove the remaining paper 6 Hold the...

Page 105: ...HOOTING PROCEDURE 8 Hold the knob and push down the transfer roller unit 9 If paper winds around the Decurl unit remove the decurl unit and pull out the remainning paper Note Pay attention to don t dr...

Page 106: ...old the fuser unit s handle with both hands and set to the output unit Note Check the inside of the printer for remaining paper and then set the fuser unit 10 Set to the output unit and attach the scr...

Page 107: ...parts Check the sensor lever of the 1st tray paper entrance sensor Check if shape and movement of the sensor levers have any abnormality or not Replace with a normal sensor lever 4 1 3 Check condition...

Page 108: ...nserted in a slanted angle or not Also check that cables are assembled without any abnormality Normalize the connection condition Replace with a normal cable Hopping motor drive cable Check that any c...

Page 109: ...using the Maintenance Menu SWITCH SCAN function Replace the PU CU PCB or connection cable 5 2 Jam occurs immediately after the paper feed is started Check item Check work Actions to be taken at NG 5...

Page 110: ...immediately after paper feed is started Multipurpose tray Check item Check work Actions to be taken at NG 6 1 1 Check condition of the paper running path Paper running path of the multipurpose tray Ch...

Page 111: ...ring assembling of the printer Remove the HOPM connector of the PU CU PCB and check the following at the cable side Short circuit between pin 1 2 3 4 and FG Replace the cable and normalize the assembl...

Page 112: ...e taken at NG 7 2 4 Check the system connection Feed motor drive cable belt motor drive cable fuser motor drive cable Check the connection condition of the cables PU CU PCB FDMRG2CL connector DCBELT c...

Page 113: ...pin 4 FG Several M between pin 5 FG Replace the PU CU PCB 7 4 Jam occurs immediately after paper has reached the fuser Check item Check work Actions to be taken at NG 7 4 1 Motor operation check Fuser...

Page 114: ...sed Eliminate any in between condition of the cover between the fully open position and fully closed position Duplex Separator Confirm that the Duplex Separator works normally by using the Motor Clutc...

Page 115: ...on of the respective sensor in the two status One is the status in which paper remains inside the Duplex unit The other is the status in which paper is removed from the Duplex unit Replace the Duplex...

Page 116: ...which no paper remains in the duplex unit Confirm that the sensor signals are normally detected by using the SWITCH SCAN function of the self diagnostic mode Replace the Duplex PCB faulty sensor or c...

Page 117: ...the motor and the solenoid Check to make sure that there is no problems with cables such as a break Driver relay PCB Replace the driver relay PCB and check for recurrence of the same error Printer con...

Page 118: ...outlet adopter Correct the connection line If the connection has no problem replace the low voltage power supply Heater ON signal that is output from PU to the low voltage power supply Check that the...

Page 119: ...and Power supply voltage is decrease Check the connection of power supply Setting the Print Mode is Normal 14 1 5 Spot color setting Spot color toner Check if the spot color toner is using Clear toner...

Page 120: ...on tray PCB is normally connected Correct the connections Square connector connecting the option tray unit to the printer Check if any foreign material exists in the connecting portion of the square c...

Page 121: ...r window The white paper should be placed in the manner of opposing the toner sensor 4 When light is reflected by a white paper so that incident light falls on the toner sensor the control panel displ...

Page 122: ...tch Test of the self diagnostic mode Check if any extra load exists or not Replace the PU CU PCB or the ID motor 4 5 2 19 Humidity sensor error Service call 123 19 1 Humidity sensor error Check item C...

Page 123: ...ment condition within a short time Example is such a case that a printer is moved from storage condition of a cold area in winter to an office environment Leave the printer for around one hour at the...

Page 124: ...rawer AC4 signal 6 7 RSNS1 AMP 6 high voltage terminal CN1 PH 2 HEAD4_M3 HRS 31 CU FAN 3p 31p 4 9p CN2 8 CN1 5 ID1 Up Down ID4 Up Down ID3 Up Down ID2 Up Down PH 2 PH 2 PH 2 PH 2 PH 2 CN CN Relay 2 2p...

Page 125: ...t over entire page 4 83 4 Black banding black streaking in vertical direction 4 83 4 1 Thin vertical line with color Refer to Figure 4 2 D 4 83 4 2 Thin vertical line without color Refer to Figure 4 2...

Page 126: ...ansfer Open and close the Front Cover to confirm the ID unit any abnormal mechanical load does not exist and the ID unit can be moved down to the DOWN position normally Check the ID Up Down mechanics...

Page 127: ...s Keep Mode of the System Maintenance menu Check item Check work Actions to be taken at NG 2 1 3 Intermediate transfer roller Stain of intermediate transfer roller Check the stain of the paper and int...

Page 128: ...PCB Measure resistance Replace the Head power relay PCB 3 1 3 High voltage terminal ID unit terminal Check that the high voltage terminal of the ID unit is contacting with the Contact Assembly normall...

Page 129: ...eck work Actions to be taken at NG 6 1 1 Result of color registration error correction Color registration error correction time If a printer is normal it is approx 40 seconds Use the self diagnostic m...

Page 130: ...ction Banding streaking in vertical direction 8 2 Causing of Slipping and Wearing on the printing image Refer to Figure 4 2 H Check item Check work Actions to be taken at NG 8 2 1 Banding streaking in...

Page 131: ...nt Adjust Paper Black Setting or Paper Color Setting If faded out when decrease setting the best value 4 5 3 10 Stain of around Solid printing 10 1 Stain of around Solid printing Refer to Figure 4 2 K...

Page 132: ...ble or not through network Confirm if the Ping command can be sent or not from a PC to a printer Confirm if correct reply is returned from a printer to a PC when the PC sends the Ping to a printer Set...

Page 133: ...the network information to check the link status Check the speed of the printer and the hub and also the communication mode When Hub Link Setting is not set to Auto and also the hub setting that match...

Page 134: ...PCB F20 Not install F21 Not install F22 Not displayed operator panel Not start of initialization OPE 3 3V 4 6 Fuse check Fuse Name Error Description Insert Point Resistance Printer controller PCB F23...

Page 135: ...ar end sensor F1L Rail unit relay 24VFUG TR2 MOV DUP SEP SOL FU SOL 5VPS2 TR2 position sensor Fuser IN sensor Fuser release sensor EXIT1 sensor FU stacker full sensor DUPF sensor DUPIN sensor RFID IN2...

Page 136: ...45530603TH Rev 2 4 91 Oki Data CONFIDENTIAL 4 TROUBLESHOOTING PROCEDURE Printer control PCB Fuse location Component side F23 F24 F25 F22 F5 F9 F2 F4 F3 Fuse rating...

Page 137: ...45530603TH Rev 2 4 92 Oki Data CONFIDENTIAL 4 TROUBLESHOOTING PROCEDURE Driver relay PCB Fuse location Component side Control panel PCB Fuse location F33 F32 F2 F4 F33 F5...

Page 138: ...45530603TH Rev 2 4 93 Oki Data CONFIDENTIAL 4 TROUBLESHOOTING PROCEDURE Duplex unit PCB Option tray PCB Fuse location Print head relay PCB Fuse location F502 F502...

Page 139: ...45530603TH Rev 2 4 94 Oki Data CONFIDENTIAL 4 TROUBLESHOOTING PROCEDURE Spot color PCB Fuse location...

Page 140: ...45530603TH Rev 2 4 95 Oki Data CONFIDENTIAL 4 TROUBLESHOOTING PROCEDURE High voltage power supply PCB Fuse location Low voltage power supply PCB Fuse location...

Page 141: ...TRAY1 5 1 2 3 4 No Cassette H H H H A3 nobi 18 H H L L 17 Tabloid L H L L A3 L H H L B4 H H H L Legal 14 13 5 H L H L Legal 13 H L H H A4 SEF L L L H Letter SEF L L L L Executive L L H L B5 SEF L L H...

Page 142: ...nus are provided in addition to general menus Select the menu intended for each adjustment purpose 5 1 System maintenance menu for maintenance personnel 5 2 5 2 Maintenance Utility 5 3 5 3 User mainte...

Page 143: ...mat in HTTP Returns error logs from the latest error of the number to the number set in this menu The default is 20 The maximum is still 500 even when HDD is installed ET New Parts Keep Mode Execute P...

Page 144: ...copied becouse of the interface error and e tc Section 2 4 1 1 10 3 Unavailable Item Adjustment Section in Maintenance Utility Operation manual Operation from operation panel section in this maintena...

Page 145: ...ce for each sensor Section 2 4 1 5 1 Section 5 3 2 3 19 Motor and Clutch Tests Executes the motor clutch test Purpose To check of performance for each item such as a motor or clutch Section 2 4 1 5 2...

Page 146: ...er automatically upon a memory overflow or tray request Item Settings Functions System Adjust Manual Timeout Off 30 seconds 60 seconds Sets the time to wait for feeding paper for printing a job at man...

Page 147: ...eding the printable area is clipped by this specification Display Conditions Duplex unit should be installed Item Settings Functions Print Adjust MPTray Overprint X Adjust 0 00millimeter 0 25 millimet...

Page 148: ...ting image in 0 25 millimeter increments parallel to the direction of paper movement i e vertically Print image exceeding the printable area is clipped by this specification Display Conditions C941 an...

Page 149: ...play Conditions Tray 3 should be installed Item Settings Functions Print Adjust Tray3 Duplex X Adjust 0 00millimeter 0 25 millimeterto 2 00 millimeter 2 00millimeter to 0 25millimeter To the paper fed...

Page 150: ...e printable area is clipped by this specification Display Conditions Tray 4 and Duplex unit should be installed Item Settings Functions Print Adjust Tray4 Overprint X Adjust 0 00millimeter 0 25 millim...

Page 151: ...by this specification Display Conditions C941 and Tray 5 and Duplex unit should be installed Overprint Y Adjust 0 00millimeter 0 25 millimeterto 2 00 millimeter 2 00millimeter to 0 25millimeter To th...

Page 152: ...e a setting when a stand out dark dot or line at cyan printing Megenta Transfer Setting 0 1 2 3 3 2 1 Lower a setting when a stand out white dot at magenta and red printing Raise a setting when a stan...

Page 153: ...reen When paper size is selected paper size in each tray is displayed Toner gauge is the default Panel Brightness During Operating 5 to 31 Adjusts the brightness of the operation panel LCD backlight b...

Page 154: ...e off mode even when the LAN cable is connected Default for ODA model is Disable Others Setup RAM Setup Receive Buffer Size Auto 0 5 megabyte 1 megabyte 2 megabyte 4 megabyte 8 megabyte 16 megabyte 32...

Page 155: ...and Boot Menu HDD Setup Enable HDD is Yes Item Settings Functions Admin Setup Others Setup Security Setup Make Secure HDD Execute Enables the encryption function of data stored in HDD Generates a cip...

Page 156: ...cel Yes or No is focused On Yes is focused Off No is focused Display Timeout 60 to 180 to 300 Sets the display timeout value for the inquiry screen for job cancel When timeout is performed the cancel...

Page 157: ...r name These Stations set 1 to 5 in one by one in order from upstream side to downstream side of at transportation direction of the intermediate transfer belt In this section these are used Station1 t...

Page 158: ...of BF line error detections Display of the number of noise detections and number of TC line error detections Display of the number of noise detections and number of ID line error detections Display of...

Page 159: ...BIN DUPLEX 1 JOB OFFSET 1 TRAY2 TRAY3 TRAY4 and DUPLEX are displayed only when installed REG ADJUST TEST REG ADJ EXECUTE REG ADJ RESULT WRT POS ADJ EXE WRT POS ADJ RSLT MENU DIAGNOSITC MODE XX XX XX M...

Page 160: ...ipping modes No 3 No 24 11 Engine parameter setting SENSOR SETTING Sets whether to enable or disable error detection performed by each sensor No 25 12 Display of LED head serial number LED HEAD DATA D...

Page 161: ...is used for checking IN sensors and switches 1 Enter the self diagnostic mode level 1 and until SWITCH SCAN appears on the upper display press the MENU or MENU button the MENU button displays the nex...

Page 162: ...y1 Lift up sensor Tray2 side cover sensor Tray2 Lift up sensor Tray3 side cover sensor Tray3 Lift up sensor Tray4 side cover sensor Tray4 Lift up sensor Tray5 side cover sensor Tray5 Lift up sensor MP...

Page 163: ...ch Port Level H L CVO SI_FR_ TC Tray 1 side cover sensor H Close L Open Front cover Open sensor H Open L Close Toner Cover Open sensor H Open L Close CVO EX_FU_ MPT EXIT Cover sensor H Close L Open FU...

Page 164: ...CVO Tray 3 Paper End Sensor H Paper exists L No paper exists Tray 3 Paper Near End Sensor H Paper exists L No paper exists Tray 3 Side Cover Sensor H Close L Open T3 LF_FED Tray 3 Lift up Sensor H Do...

Page 165: ...lay TRAY 1 2 3 4 PX753 T1 CASETTE SIZE T2 CASETTE SIZE T3 CASETTE SIZE T4 CASETTE SIZE T5 CASETTE SIZE H H H H No Cassette H H L L A3n L H L L Tabloid L H H L A3 H H H L B4 H L H L Legal14 13 5 H L H...

Page 166: ...on the upper display press the MENU or MENU button the MENU button displays the next test option and the MENU button displays the preceding test option Then press the OK button 2 Press the MENU or MEN...

Page 167: ...lutch 1 Rail unit is closed FEED MOTOR Feed motor Regist clutch 2 MPT cover and Rail Unit is closed MPT LIFT UP MOTOR Hopping motor Reverse rotation Rail unit is closed Panel Display Driven Unit Condi...

Page 168: ...arator solenoid Rail unit is closed 2PASS SOLENOID 2 Pass solenoid Duplex unit is installed and rail unit is closed DUPLEX ENTRY MOTOR DUPLEX motor 1 Duplex unit is installed and rail unit is closed D...

Page 169: ...4 By pressing OK button under the condition where PRINT EXECUTE is displayed in the lower line of the display after making a setting the test print is executed based on the value set in the step 2 to...

Page 170: ...ers the print setting mode of each station ON and OFF are changed over by using MENU or MENU button The selection of the station is performed by the ON LINE button or CANCEL button and a blinking part...

Page 171: ...COM 10 LEF 16K 184x260 LEF A6 SEF MONARCH LEF 16K 195x270 LEF B4 DL LEF 16K 197x273 LEF B5 LEF C5 LEF 8K 260x368 mm B5 SEF C4 LEF 8K 270x390 mm B6 SEF NAGAGATA3 LEF 8K 273x394 mm B6 HALF SEF NAGAGATA...

Page 172: ...ation3 Transfer low voltage setting value Unit KV S4TR Station4 Transfer low voltage setting value Unit KV s5tR S5TR Station5 Transfer low voltage setting value Unit KV s1R s2R s3R s4R S1R Station1 Tr...

Page 173: ...ription on color registration adjustment should be followed for recovery from an error caused by the test 1 Enter the self diagnostic mode Level1 and until the following message appears press the MENU...

Page 174: ...T only WRT POS ADJ RSLT Displays the result of WRT POS ADJ EXE For displayed items refer to WRT POS ADJ RSLT display item Panel display at the completion of color registration correction test Upper li...

Page 175: ...tects an abnormal color registration correction value in the right position of S3 vertical scanning fine adjustment Displayed error name Contents S3 FINE L Detects an abnormal color registration corre...

Page 176: ...position of S1 LED vertical scanning coarse adjustment SRAM CRSE ADJ S1 X Pattern detection value of S1 LED main scanning coarse adjustment SRAM Upper line of the display Lower line of the display De...

Page 177: ...ts will be stored as described in memory filed The contents in SRAM are deleted when the test starts and values detected at the normal competition or until the apparatus stops due to errors are writte...

Page 178: ...displays the preceding test result Press the BACK button to return to step 2 DANS ADJ RESULT Pressing the CANCEL button during the test cancels the test restoring the state of step 2 DENS ADJ RESULT W...

Page 179: ...ects the out of focus of the LED head or dirt due to ID failure STATION 5 ID ERROR1 Detects the out of focus of the LED head or dirt due to ID failure STATION 1 ID ERROR2 Detects the out of focus of t...

Page 180: ...LTA S3 01 02 03 01 Light adjustment value DEC 02 DB adjustment value First DEC SRAM DELTA S4 01 02 03 01 Light adjustment value DEC 02 DB adjustment value First DEC SRAM DELTA S5 01 02 03 01 Light adj...

Page 181: ...rmal competition or until the apparatus stops due to errors are written 5 3 2 8 Adjustment of Media Thickness Sensor This self diagnosis is used for adjusting the media Thickness sensor Notes Check th...

Page 182: ...When the sensitivity adjustment is completes the upper line of the display shows the result of the test OK or an error name the lower line of the display shows RESULT oK WeigHt scan aDJ RsLt Remark Th...

Page 183: ...H with a cursor 1LSB o 1 m Note 1 Note 2 SRAM THICKNESS P CHK T u m OFFSET T Setting weight of the check sheet m OFFSET Weight adjustment H T value can be set from 46H to 10EH with a cursor 1LSB o 1 m...

Page 184: ...calculated by the sensitivity at the sixth sheet mV m Note 1 SRAM CALCULATED SNS P 7 S N S _ VALUE SNS_VALUE Value calculated by the sensitivity at the seventh sheet mV m Note 1 SRAM Upper line of th...

Page 185: ...ESS DATA can be displayed and set Note 2 When the upper line of the panel shows N PAPER SAMPLE P PAPER SAMPLE P Pressing the MENU button displays the next test result Pressing the MENU button displays...

Page 186: ...s OK button when displayed in1 in2 in3 WR Fin 1 3 Enter Media Thickness detect mode Press MENU button until following display 14 times tHicK MPt_PW t1LiFt Press OK button when displayed tHicK MPt_PW t...

Page 187: ...SNS ADJ WIDTH SNS ADJ EXE 2 After the message to load the adjustment media is displayed load the adjustment media on MPT and adjust the paper guide At this time make sure to move the guide from the o...

Page 188: ...2 as necessary 5 Press the BACK button to end the test restoring the state of the step 1 Table 5 8 1 PAPER WIDTH SNS ADJ Selection Items SUB MENU Details Handling of results WIDTH ADJ PAR SET Sets th...

Page 189: ...arrowest size 64 0 16 0mm ADJUST VALUE ERROR A calculated slant adjustment or offset adjustment value is out of the specified range Slant adjustment No within 0 02 Offset adjustment value Not within 1...

Page 190: ...f a fuser unit until present 2 FUSER USED DEC Displays the usage of the fuser unit TR BELT UNIT IMAGES DEC Images Displays the number of prints made to date from the first time installation of a belt...

Page 191: ...MPRESSIONS PRINTS DEC Prints TOTAL SHEET CNT PRINTS DEC Prints Displays the total number of printed sheets 1 1 Two counts apply to the duplex printing 5 3 2 12 Factory Shipping mode switching The Fact...

Page 192: ...desired setting is on the display The setting is stored in the EEPROM The state is restored to the step 2 5 Repeat steps 2 through 4 when necessary 6 Press the BACK button to end the setting except w...

Page 193: ...cle By cleaning the drum exposure part under the ID by rotating in order the filming of the entire drum can be deleted 1 Enter the self diagnostic mode and until DRUM MANUAL CLEANING appears press the...

Page 194: ...self diagnostic mode and until ERROR CODE appears press the MENU or MENU button eRRoR coDe 2 Press the OK button to display the following message eRRoR coDe Px gen XX Det XX Lst XX Px Page x 1 3 Save...

Page 195: ...est Print 2 Prints the pattern for analysis related to CYMK print quality Test Print 3 Prints the pattern for check the reduction of paper when 2 pass printing Test Print 4 Prints the pattern for anal...

Page 196: ...ke a setting of the serial number on PU Maintenance utility operation manual section 2 4 1 1 9 5 and a setting of switching to the Shipping mode Maintenance utility operation manual section 2 4 1 1 9...

Page 197: ...EEPROM the PU control board with a new one clears life information about consumables including the total number of printed sheets and Waste toner box Note that until the consumables are replaced this...

Page 198: ...adjustment setting when the printer prints an improper density Note The setting must be performed with the printer in a static state Do not perform it while the printer warms up 1 Press the MENU or ME...

Page 199: ...efore the access to HDD is FAIL Display conditions HDD is installed Storage Common Setup Check File System Execute Resolves a mismatch between the actual available and displayed available space of the...

Page 200: ...ures are to detach them Reverse the procedures to attach them The reference part numbers used in this manual such as and do not identical to the part numbers in the maintenance disassembly configurati...

Page 201: ...e to unplug the AC cable Press and hold the power switch for approximately 1sec to turn off the power supply switch Check that the operation panel is completely turned off and then turn off the main p...

Page 202: ...hickness for Adjustment Note Use a toner vacuum Using a general purpose vacuum may cause the toner to catch fire Table 6 1 2 shows the tools necessary to use Maintenance Utility software Table 6 1 2 M...

Page 203: ...TS 6 2 Part replacement procedure This section describes the procedure for replacing the parts and assemblies shown in the disassembly diagram 6 2 1 Toner Cartridge 1 Open the Toner change cover 6 2 2...

Page 204: ...hotoreceptor from the lower side taking care that your hand does not touch the drum on the lower side green cylindrical section Note Ensure not to touch or damage the drum Do not expose the image drum...

Page 205: ...45530603TH Rev 2 6 6 Oki Data CONFIDENTIAL 6 REPLACEMENT OF PARTS 6 2 3 Belt Unit 1 Open the Front cover 2 Remove the waste toner box from the printer...

Page 206: ...r knobs blue two pieces at left and right to the left and pull these lock levers to front side 5 Hold the handle and pull out the belt unit hold the label part blue at left and right side of it and re...

Page 207: ...ata CONFIDENTIAL 6 REPLACEMENT OF PARTS 6 2 4 Transfer roller unit 1 Pull out the EJ Rail unit 2 Pull up both tips of the transfer roller unit s lock levers blue 3 Hold the transfer roller unit s labe...

Page 208: ...3TH Rev 2 6 9 Oki Data CONFIDENTIAL 6 REPLACEMENT OF PARTS 6 2 5 Fuser unit 1 Pull out the EJ Rail unit 2 Pull up the fuser unit s lock lever blue 3 Hold the fuser unit s handle with both hands and re...

Page 209: ...45530603TH Rev 2 6 10 Oki Data CONFIDENTIAL 6 REPLACEMENT OF PARTS 6 2 6 Waste toner box 1 Open the front cover 2 Remove the waste toner box from the printer...

Page 210: ...t down the LED Head 4 Unlock the connector of back side Note Unlock the connector when disconnect and connect If not break the FFC terminal Lock Lever break away easy carefully when remove 5 Warp the...

Page 211: ...eft of LED head 2 Hitch the calw of back and warp the holder by LED head and hitch the claw of front side Back side Front side 3 Connect the back side connector and lock the lever And connect the fron...

Page 212: ...sy 2 Remove the Guide Assy Tail 3 Remove the Label Tray 4 Remove the Indicator Paper Size Fuse check of the Main PCB Board F1X Board F1Y Power on after the check below W CL F1 is conduction state on B...

Page 213: ...ach the Toner cartridge Refer to section 6 2 1 2 Remove the four screws black 8mm and remove the Cover Assy TC 6 2 10 Cover Assy OP Panel 1 Open the Cover Assy TC and front cover Refer to section 6 2...

Page 214: ...move two claws and the Cover Top A 4 Remove the Lever Stacker Full 6 2 12 Eject Assy Joboff Motor Joboff 1 Remove the Lever Stacker Full Refer to section 6 2 11 2 Remove the photo sensor and disconnec...

Page 215: ...ar Refer to section 6 2 11 3 Remove the Plate Sheild F1D Refer to section 6 2 20 4 Remove the Motor FAN Assy Refer to section 6 2 24 5 Remove the cable from F1D board 6 Remove the six screws silver 8m...

Page 216: ...ge and Image Drum Refer to section 6 2 1 6 2 2 2 Remove the Eject Assy Joboff Refer to section 6 2 12 3 Remove the spot color duct for 5 color model only 4 Remove the three screws silver 6mm and remov...

Page 217: ...screws silver 6mm and remove the Cover Dup Top from the Duplex Unit 3 Remove the screw black 8mm and remove the Board FIT 1 4 Remove the two Screw Shoulder silver 15 4mm and connector and spring 6 2...

Page 218: ...color PCB Board Memory FAN 1 Remove the Cover Rear Refer to section 6 2 11 2 Lossen the eight screws silver 6mm and slide the Plate Cover MainPCB for MPT side and remove it 3 Remove the three screws...

Page 219: ...ate Box MainPCB 4 Remove the Sheet Insulation HV 5 Remove the six screws silver 6mm and remove the Board AHV 6 2 22 Motor Assy ID 1 Remove the Plate Cover MainPCB and Plate Shield F1D Refer to section...

Page 220: ...GRW FFC Cable Motor FAN 1 Remove the Plate Box MainPCB Refer to section 6 2 21 2 Remove the Guide Cable FFC Refer to section 6 2 22 3 Remove the screw silver 6mm and remove the TAGRW Assy 4 Remove the...

Page 221: ...lectric Shock There is a risk of electric shock during replacement of the low voltage power supply Use insulating gloves or avoid direct contact with any conducting part of the power supply and cautio...

Page 222: ...emove the Cover Cable FU 6 Remove the four Round head screws black 6mm and remove the Fuser Drive Assy 7 Remove the screw silver 6mm and remove the Gear Assy WT 8 Remove the three screws silver 6mm an...

Page 223: ...black 8mm and remove the Boad F1S Adjustment of Paper Width Sensor This function is used to adjust the detection value of the MPT paper width sensor and display the implementation results adjustment v...

Page 224: ...o section 6 2 20 3 Disconnect four cables and spot color kit connector 2 4 20 2 4 Remove the two screws silver 6mm and remove the Frame Assy TC R for five color model 5 Remove the two screws silver 6m...

Page 225: ...2 31 2 Remove the Plate Fix Pivot For C941 ten for C911 C931 eight 10 Attention of assembling Attach the Lock out of TC when assembling Frame Assy TC Frame Assy TC R Color Location of Lock out 1 2 3 4...

Page 226: ...relay PCB Board MFH Environmental sensor PCB Board F1G Tag terminal PCB Board F1N Toner low sensor PCB 1 Remove the Frame Assy TC and Frame Assy TC R Refer to section 6 2 31 2 Remove the screw silver...

Page 227: ...screws silver 6mm and remove the Cover LSD F 3 Remove the Round head screw black 6mm and screw silver 6mm and remove the Cover LSD R 4 Remove the two screws and remove the Decrul Assy 5 Remove the fou...

Page 228: ...r PCB LSD 3 Disconnect all cables from the board and remove the screw silver 6mm and remove the Board F1L 4 Remove the two screws silver 6mm and remove the Bracket Gear FU and remove Gear Oneway Z33 a...

Page 229: ...late Rail Belt 6 Remove the two screws silver 6mm and remove the Cover In E 7 Disconnect connectors 8 Remove the three screws silver 6mm and remove the Regist Sensor Assy 9 Remove the three screws sil...

Page 230: ...r 6mm and remove the Motor Assy Regist 6 2 40 Waste toner full sensor Board F1N Toner Low sensor PCB 1 Remove the Roller Assy Regist 2 Roller Assy Synchro Regist Sensor Assy_753 Refer to section 6 2 3...

Page 231: ...ide Tray Assy 4 Remove the four screws silver 6mm and four Round head screw black 6mm and remove the Hopping Unit 2 2 4 4 6 2 42 Connector Assy Fuser 1 Remove the Guide Assy Eject Refer to section 6 2...

Page 232: ...o section 6 2 44 2 Remove the five screws silver 6mm and remove the Hopping Assy 3 Remove the two screws silver 6mm and remove the Drive Assy 4 Remove the screw silver 6mm and remove the Board F1K 5 2...

Page 233: ...Sensor Assy Front 4 Remove the two Round head screws black 6mm and remove the Cover In D 5 Remove the two screws silver 30mm and remove the Motor FAN 6 2 46 Board F1W Soft switch PCB 1 Remove the Cass...

Page 234: ...er supply 2 Check that the operation panel is completely turned off and then switch off the main power supply 6 2 48 Holder Head F Holder Head R 1 Remove the LED Head and Plate Assy Top Refer to secti...

Page 235: ...45530603TH Rev 2 6 36 Oki Data CONFIDENTIAL 6 REPLACEMENT OF PARTS 3 Pull out Tray 1 4 While expanding the claws of feed roller in outside direction remove them from the axial...

Page 236: ...45530603TH Rev 2 6 37 Oki Data CONFIDENTIAL 6 REPLACEMENT OF PARTS 5 Similarly remove the remaining two paper feed rollers...

Page 237: ...ecified must be applied to portions from which lubricant was wiped Lubrication work 1 Lubricant names and their abbreviations EM 30LP MOLYKOTE EM 30LP HP 300 MOLYKOTE HP 300 EM D110 MOLYKOTE EM D110 F...

Page 238: ...sy Joboff 45173601PA Retard Assy Apply a HARVES to the all over the gear Gear Z50 Z20 Class C Apply a normal amount of MOLYKOTE to the gear teeth and Shaft Grease prohibition at the post Class C Apply...

Page 239: ...PARTS 45175001PA Plate Assy Retard 45529101PA Plate Assy Motor B Class C Apply a normal amount of MOLYKOTE to the all over the gear teeth Gear Feed_Z20 Class C Apply a normal amount of MOLYKOTE to th...

Page 240: ...Apply a normal amount of MOLYKOTE to the inside of the E ring groove Roller Pressure Class C Apply a normal amount of MOLYKOTE to the inside of the E ring groove Class C Apply a normal amount of MOLYK...

Page 241: ...the bottom put the grease to the range of turning the tooth of Gear Coupling Class B Apply a normal amount of MOLYKOTE In the state the Gear Lift Up is stayed at the top put the grease to the tooth o...

Page 242: ...REPLACEMENT OF PARTS 45187301PA Plate Assy Front 1 45189701PA Belt Drive Assy Class A Apply a small amount of MOLYKOTE Class C Apply a small amount of MOLYKOTE to the all shaft Apply a MOLYKOTE from t...

Page 243: ...l amount of MOLYKOTE EM30LP to the all over the gear GEAR RED Z56 16 GEAR RED Z66 27 GEAR MOTOR FU PLATE MOTOR FU Caulking Class F Apply a large amount of MOLYKOTE to the all over the gear Class F App...

Page 244: ...192901PA Motor Assy Regist Class C Apply a normal amount of MOLYKOTE to the all over the gear and shaft Class C Apply a normal amount of MOLYKOTE EM30LP to the all over the shaft Class C Apply a norma...

Page 245: ...SIDE RA Class C Apply a normal amount of MOLYKOTE EM30LP to the all over the shaft and gear Gearse prohibition at the this position Class C Apply a normal amount of MOLYKOTE EM30LP to the all over the...

Page 246: ...er the gear and shaft Class C Apply a normal amount of MOLYKOTE EM30LP to three or four theeth of the gear Gearse prohibition at the shaft of motor Motor DC Geard Cab Gear Worm TS Gear Red C_Z5620 Cou...

Page 247: ...501PA Gear Assy DV 45209301PA Shaft Assy Drum Class F Apply a large amount of MOLYKOTE EM 30LP to the Gear DV Grease prohibition at the coupling Class C Apply a normal amount of MOLYKOTE EM 30LP to th...

Page 248: ...a normal amount of MOLYKOTE EM 30LP to the all over the gear Gear CL Z28 Class C Apply a normal amount of MOLYKOTE EM 30LP to the D cut of the Post Apply a HARVES Apply a HARVES Apply a HARVES Grease...

Page 249: ...a normal amount of MOLYKOTE EM 30LP to the inside of the E ring groove Class C Apply a normal amount of MOLYKOTE EM 30LP to the inside of the E ring groove Class C Apply a normal amount of MOLYKOTE EM...

Page 250: ...he gear Gear Idle Z30R Gear Idle Z26 Plate Gear OW Caulking Class C Apply a normal amount of MOLYKOTE EM 30LP to the inside of the E ring groove Class C Apply a normal amount of MOLYKOTE EM 30LP to th...

Page 251: ...OLYKOTE EM 30LP to the bush Class C Apply a normal amount of MOLYKOTE EM 30LP to the gear and shaft Bush Bush Plate Eject ML Gear Idle Z41 SH BUSH ROLLER BUSH ROLLER Plate Eject MR Caulking Class C Ap...

Page 252: ...FIDENTIAL 6 REPLACEMENT OF PARTS 1 452862xxPA EJ Rail Unit 2 452862xxPA EJ Rail Unit Apply a HARVES to the slider link Class C Apply a normal amount of MOLYKOTE EM 30LP 2places Class C Apply a normal...

Page 253: ...places Class C Apply a normal amount of MOLYKOTE EM 30LP to the gear Class F Apply a normal amount of MOLYKOTE EM 30LP to the gear Class C Apply a normal amount of MOLYKOTE EM 30LP to the all over the...

Page 254: ...ply a normal amount of MOLYKOTE EM 30LP to the bush 2 places Class C Apply a normal amount of MOLYKOTE EM 30LP to the gear 2 places Bush Gear Puressure Bearing Regist Gear Regist Class C Apply a norma...

Page 255: ...LSD 45246501PA Decurl Assy Class C Apply a normal amount of MOLYKOTE EM 30LP 2 places Class C Apply a normal amount of MOLYKOTE EM 30LP Class C Apply a normal amount of MOLYKOTE EM 30LP to inside of t...

Page 256: ...a HARVES Apply a HARVES Gear Idle TR2 Gear Idle TR2 Plate Side TR2 R Caulking Plate Side TR2 R Caulking Cam Drive TR2 Cam Drive TR2 Shaft Assy TR2 Class C Apply a normal amount of MOLYKOTE EM 30LP to...

Page 257: ...y TR2 EM 30L Class E Apply a large amount of MOLYKOTE EM 30LP to the gear Class C Apply a normal amount of FLOIL GE 334C to the inside of bush Class C Apply a normal amount of FLOIL GE 334C to the ins...

Page 258: ...T OF PARTS 45238101PA JobOff Assy 2 45235201PA Guide Assy Eject Lower Class C Apply a normal amount of MOLYKOTE EM 30LP to the gear and shaft Gear Idle Z41 SH x 2 Gear Eject Z17 SH x 2 Class C Apply a...

Page 259: ...normal amount of MOLYKOTE EM 30LP to the gear Class D Apply a normal amount of FLOIL GE 334C 35mm from the end of shaft Class D Apply a normal amount of FLOIL GE 334C 35mm from the end of shaft Apply...

Page 260: ...XX Plate Base Assy Same as Option Tray LCF Caster Tray 45182601 Cover Assy TC 2 sets Apply a HARVES to inside of the hole and R portion by brush Class C Apply a normal amount of MOLYKOTE EM D110 to th...

Page 261: ...ing 7 2 7 2 Cleaning the LED lens array 7 3 7 3 Cleaning feed rollers 7 8 7 4 Cleaning feed rollers of the Multi purpose Tray 7 10 7 5 Cleaning Belt Unit 7 13 7 6 Cleaning Pinch rollers 7 14 7 7 Clean...

Page 262: ...FIDENTIAL 7 PERIODIC MAINTENANCE 7 1 Cleaning Clean the inside and outside of the printer with a waste cloth and a handy vacuum cleaner when necessary Note Do not touch the image drum terminals LED le...

Page 263: ...rtation direction white belt or line falling out as white or dilute printing on prints Cleaning the LED head Clean the LED head when a printed output contains a faded image a white line or blurred let...

Page 264: ...and remove the photoreceptor from the lower side taking care that your hand does not touch the drum on the lower side green cylindrical section Note Be careful not to touch or damage the drum Do not l...

Page 265: ...lever knobs blue to the left and pull the lock lever to front side 8 Hold the handle and pull out the belt unit hold the right and left labeled parts blue and remove the belt unit Note Carefully remo...

Page 266: ...he LED head with soft tissue paper or cloth 10 Set the belt unit to the printer and push it in firmly 11 Raise the belt unit left right lock lever rotate the lock lever knob blue to the right to lock...

Page 267: ...14 Align the arrow label red on the image drum with the one on the printer slowly insert in the slot taking care that your hand does not touch the photoreceptor green below and firmly push it inside...

Page 268: ...eaning the feed rollers of Tray 1 1 Take off your wristwatch bracelet etc 2 Press and hold the power switch for approximately 1 sec to turn off the power supply 4 Pull out the casette of the Tray 1 5...

Page 269: ...45530603TH Rev 2 7 9 Oki Data CONFIDENTIAL 7 PERIODIC MAINTENANCE 6 Install the casette to Tray 1 7 Turn on the main power supply and press the power switch to boot the printer...

Page 270: ...PERIODIC MAINTENANCE 7 4 Cleaning feed rollers of the Multi purpose Tray 1 Press and hold the power switch for approximately 1 sec to turn off the power supply 2 Turn off the main power supply 3 Pull...

Page 271: ...PERIODIC MAINTENANCE 4 While pressing the claw of the feed roller outward remove it from the shaft 5 Lift Section A 6 Wipe off the dirt on feed rollers 2 places and on the separator with the moist sof...

Page 272: ...ONFIDENTIAL 7 PERIODIC MAINTENANCE 8 Fit the feed roller on the shaft and push it all the way to the end while rotating it 9 Close the right side cover 10 Turn on the main power supply and press the p...

Page 273: ...1 Remove the Belt unit refer to the section 7 2 Note Carefully remove the belt unit so that waste toner does not spill Never place the removed belt units upright 2 Impregnate a BEMCOT with primary or...

Page 274: ...FIDENTIAL 7 PERIODIC MAINTENANCE 7 6 Cleaning Pinch rollers 1 Clean the pinch rollers with a soft cloth or tissue when any foreign materials adhered on the pinch rollers If the foreign materials are h...

Page 275: ...ute To clean regularly prevent the dirt Note Be careful not to touch or damage the transfer roller Don t use water neutral detergent or methanol because damage to transfer roller 1 Press and hold the...

Page 276: ...d the fuser unit s handle with both hands and remove the unit onto a flat surface 6 Pull up both tips of the transfer roller unit s lock levers blue 7 Hold the transfer roller unit s label parts blue...

Page 277: ...the soft tissue Note Be careful not to touch or damage the transfer roller 10 Set the transfer roller unit to the output unit Note Be careful not to touch or damage the transfer roller 11 Push down th...

Page 278: ...45530603TH Rev 2 7 18 Oki Data CONFIDENTIAL 7 PERIODIC MAINTENANCE 13 Push down the fuser unit s lock lever blue 14 Put the output unit back into the printer...

Page 279: ...Oki Data CONFIDENTIAL 8 CONNECTION DIAGRAMS 8 1 Resistance value check 8 2 8 2 Parts location 8 9...

Page 280: ...Electrical circuit diagram connection Part outside view Resistance value Tray lift up motor also used by option trays M 1 2 Between pin 1 and pin 2 Several decades Toner supply motor M 1 2 Between pi...

Page 281: ...gram connection Part outside view Resistance value Fuser motor Fuses IP1 and IP2 Across both ends of each fuse 1 or less Belt motor Fuse F1 Across both ends of the fuse 1 or less Hopping motor also us...

Page 282: ...outside view Resistance value Feed motor M 1 2 3 4 Between pin 1 and pin 2 Several Between pin 3 and pin 4 Several Job offset motor M 1 2 3 4 Between pin 1 and pin 2 Several Between pin 3 and pin 4 S...

Page 283: ...DUPLEX motor 1 M 1 2 3 4 Between pin 1 and pin 2 Several Between pin 3 and pin 4 Several Hopping clutch also used by option trays Clutch 1 3 2 Between pin 1 and pin 2 Approx 240 Registration 1 clutch...

Page 284: ...Part outside view Resistance value MPT clutch Clutch 1 2 Between pin 1 and pin 2 Approx 240 DUPLEX hopping clutch Clutch 1 2 Between pin 1 and pin 2 Approx 240 DUPLEX separator solenoid Solenoid 1 2 B...

Page 285: ...n 2 Several decades ID up down solenoid Solenoid 1 2 Between pin 1 and pin 2 Several decades Fuser unit See Fig 8 1 See Fig 8 1 Heater normal temperature Between pin 1 and pin 2 Several decades Betwee...

Page 286: ...e backside 3 13R RWZV K2GG P4 Receptacle 13R RWZV K4GG P4 Plug 4 G 3 4 2 G 1 2 1 Correspondence of connecting rows Each thermistor model number P is the same as that of PX756 4 5 6 2 3 1 Signal at the...

Page 287: ...6 R577 R590 R591 R592 R594 R601 R630 R631 R632 RAILIF RCOVER REG1CL RFID RM1 RM71 RM72 SATAIF SATAPOW1 TRY USB1 XIF Z7 Z8 C355 C353 C351 C354 C356 C352 3 454571xx 1 12 9 8 4 25 48 1 24 32 17 33 48 16...

Page 288: ...V F1A F1A 32V F0 5A F2A F1A 32V F0 5A F1A 32V 32V 32V 32V 32V 32V F1A F3A 32V F0 5A F8 F1A F4A F5 F3 F2 5A 32V F1 5A F12 F14 F2A 32V 32V 32V 32V 32V 32V F2A F7 F9 F3A 32V F3A F10 F11 F2A RM702 R1589 R...

Page 289: ...46 R54 R96 R99 R102 R109 R116 R137 R138 R149 RM1 RM2 RM3 RM4 RM5 RM6 RM7 RM8 Z1 Z2 Z3 Z4 Z5 32 31 1 60 29 59 5553 5149 47 46 45 44 43 41 39 37 35 34 BF507 BF508 BF509 C501 C502 C503 C504 C505 C506 C50...

Page 290: ...DRIVE0 F1 F2 F4 F5 F6 F7 F31 F32 F33 FSFAN1 FSFAN2 FSFAN3 IC1 IDFAN IDMTR0 IDMTR1 IDMTR2 IDMTR3 IDMTR4 IDSOL0 IDSOL1 IDSOL2 IDSOL3 INTLSW JOFM1 OPAMP1 POW24 PTC2 PTC3 PTC5 Q1 Q2 Q3 Q4 Q5 Q7 Q8 Q9 Q10...

Page 291: ...7 JP48 JP49 JP50 JP51 JP52 JP54 JP55 JP56 JP57 JP58 JP59 JP60 JP61 JP62 JP63 JP64 JP65 JP66 MAIN1 MOTOR1 MOTOR2 SNSDUP SOL 449826xx 3 3 2 3 3 4 8 1 1 6 1 7 6 4 4 9 SOLDER 2A 0 5A C501 C507 C512 C521 C...

Page 292: ...20 JP19 JP18 JP17 JP16 JP15 JP14 JP13 JP12 JP11 JP10 FLWR CP2 CP1 CL2 CL1 1 1 Board F1T SOLDER 4 1 5 1 7 1 12 13 4 1 3 1 21 1 2 3 449826xx F1T D507 R524 TR506 TR503 R912 R911 R910 R908 R907 R906 R904...

Page 293: ...0 5A Board F1Q 3 453456xx 48 37 36 25 24 13 12 1 9 1 26 25 2 1 4 1 1 40 F1Q 49 64 1 16 17 32 33 48 PS ATTEN BACK HELP MENU MENU ENTER CANCEL ONLINE 1 2 3 4 5 6 7 8 9 C 0 3 453456xx BF501 BF502 C501 C5...

Page 294: ...IAL 8 CONNECTION DIAGRAMS 8 External LED PCB 9 Tag terminal PCB 10 Print head power relay PCB 1 CN LED REF1 CN2 CN1 F1G 2 450850xx 1 1 1 2 HPOW4 HPOW3 HPOW2 HPOW1 HPOW0 CP6 CP5 CP3 CP2 CN1 451093xx 2...

Page 295: ...oft switch PCB SNS NEAREND LIFT COVOPEN CASSNS 2 450853xx C E K A 6 7 1 1 C E K A A K E C F1K SOL SNS4 SNS3 SNS2 SNS1 MOTOR MAIN2 MAIN1 FAN CN1 F1L Board F1L 12 11 1 1 3 1 4 1 9 1 3 1 6 3 1 1 2 1 1 4...

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Page 297: ...TION DIAGRAMS 17 Low voltage power supply PCB 18 High voltage relay PCB 19 Belt thermistor PCB 20 Environmental sensor PCB Board AHR 1 AHR 450409xx 4 CN1 S1 S2 S3 S4 S5 S6 S7 S8 S9 S10 S19 S20 S400 S4...

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