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Oki C810 Maintenance Manual Download Page 165

44015503TH  Rev. 1 

164 /

Oki  Data  CONFIDENTIAL

7.  TROUBLESHOOTING PROCEDURE

Panel display

(The mark indicates no 

message in the upper row.)

ON

LINE
lamp

Inspec-

tion

lamp

Details

Remedial

measure

 

Belt Reflex Error

varies

On

Belt reflectance check error
Because the PU firmware does not 
notice this status to the CU firmware 
in the Shipping Mode even when the 
PU firmware has detected this status, 
this error does not occur in the user 
environment. 

—

 

Density Shutter 
Error2

varies varies Density correction shutter error 2

Because the PU firmware does not 
notice this status to the CU firmware 
in the Shipping Mode even when the 
PU firmware has detected this status, 
this error does not occur in the user 
environment. 

—

 

Density Shutter 
Error1

varies varies Density correction shutter error 1

Because the PU firmware does not 
notice this status to the CU firmware 
in the Shipping Mode even when the 
PU firmware has detected this status, 
this error does not occur in the user 
environment. 

—

 

Density Color 
Calibration Error

varies varies Density correction color calibration 

error
Because the PU firmware does not 
notice this status to the CU firmware 
in the Shipping Mode even when the 
PU firmware has detected this status, 
this error does not occur in the user 
environment.

—

 

Density Color Sensor 
Error

varies varies Density correction color sensor error

Because the PU firmware does not 
notice this status to the CU firmware 
in the Shipping Mode even when the 
PU firmware has detected this status, 
this error does not occur in the user 
environment.

—

Panel display

(The mark indicates no 

message in the upper row.)

ON

LINE
lamp

Inspec-

tion

lamp

Details

Remedial

measure

 

Density Black 
Calibration Error

varies varies Density correction black calibration 

error.
Because the PU firmware does not 
notice this status to the CU firmware 
in the Shipping Mode even when the 
PU firmware has detected this status, 
this error does not occur in the user 
environment.

—

 

Density Black Sensor 
Error

varies varies Density correction black sensor error.

Because the PU firmware does not 
notice this status to the CU firmware 
in the Shipping Mode even when the 
PU firmware has detected this status, 
this error does not occur in the user 
environment.

—

 

%COLOR% Image 
Drum Smear Error

varies varies Density correction ID ERROR 2.

This error occurs when abnormal 
density due to the LED head focus 
error is detected. (Extremely stained
LED head)
Because the PU firmware does not 
notice this status to the CU firmware 
in the Shipping Mode even when the 
PU firmware has detected this status, 
this error does not occur in the user 
environment.
%COLOR%

yellow
Magenta
Cyan
Black

—

Summary of Contents for C810

Page 1: ...C810 C830 Maintenance Manual 0609A ...

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 constitute endorsement by the manufacturer While all reasonable efforts have been made to make this document as accurate and helpful as possible we make no warranty of any kind expressed or implied as to the ...

Page 3: ...NTIAL Document Revision History Rev No Date Changed items Person in charge No Page Description of change 1 2009 02 25 Issue MD11 Wakana Rev No Date Changed items Person in charge No Page Description of change Document Revision History ...

Page 4: ...e in preparing the manual to make it accurate it still may contain errors Oki Data will not hold itself liable for any damage that results or is claimed to have resulted from repair adjustment or modification of the printer conducted by the user using this manual The parts employed in the C830 printer are so delicate that they may be damaged if not treated properly Oki Data Corporation highly reco...

Page 5: ...2 Connection of the power cable 41 3 5 3 Installation and recognition confirmation of options 43 3 6 Printing of the configuration report 57 3 7 Connection methods 58 3 8 Checking of paper used by the user 60 4 REPLACEMENT OF PARTS 61 4 1 Notes on replacement of parts 62 4 2 Part replacement procedure 64 4 2 1 Belt unit 64 4 2 2 Fuser unit 65 4 2 3 Left side cover 66 4 2 4 Right side cover 67 4 2 ...

Page 6: ...7 1 Before starting the repair work 157 7 2 Confirmation items before taking corrective action against abnormalities 157 7 3 Precautions when taking corrective action against abnormality 157 7 4 Preparation for troubleshooting 157 7 5 Troubleshooting method 158 7 5 1 LCD message list 158 7 5 2 Preparation for troubleshooting 179 7 5 2 1 LCD display error 180 7 5 2 2 Abnormal operations of printer ...

Page 7: ...e Web browser 218 7 5 4 2 Print operation is not possible 224 7 5 4 3 Cannot create Certificate 225 7 5 4 4 Installation of Certificate is not possible 225 7 5 4 5 Other questionnaires 227 7 5 4 6 Restrictions when using Internet Explore 7 229 7 6 Fuse check 230 7 7 Paper cassette switches versus Paper size correspondence table 231 7 8 Data protection kit A3 232 7 8 1 Data protection kit A3 DPK A3...

Page 8: ...Oki Data CONFIDENTIAL 1 CONFIGURATION 1 1 System configuration 8 1 2 Printer configuration 9 1 3 Composition of optional items 10 1 4 Specifications 11 1 5 Interface specifications 14 ...

Page 9: ... release sensor Fuser entrance sensor Density sensor Color registration board right Color registration board left Belt unit fuse cut Fuser fuse cut UP LOW upper center upper side for compensation lower thermistor Low voltage board FAN heater control others Fuser entrance release 5v 24v 0vL 0vP AC SW M HEAT Fuser end cooling FAN Shutter solenoid Low voltage FAN ARMORED CPU PU board Fuse cut EXIT Co...

Page 10: ...internal part of the C830 printer is composed of the following sections Electrophotographic processing section Paper paths Controllers CU PU Operator panel Power supplies high voltage power supply low voltage power supply Figure 1 2 represents the configuration of the printer Figure 1 2 ...

Page 11: ...ollowing optional items are available for the C830 printer 1 Additional tray 型名 CAB S1 Model name Capacity MEM256E 256 MB MEM512C 512 MB 3 Cabinet 4 Additional memory 5 Internal hard disk Memo Internal hard disks for C830 are incompatible with those for C5900 6 Data protection kit A3 2 Duplex Unit ...

Page 12: ...rint quality guaranteed Non operating 0 C to 43 C power off Storage one year max 10 C to 43 C with drums and toner cartridges Transportation one month max 29 C to 50 C with drums but no toner cartridges Transportation one month max 29 C to 50 C with drums and toner cartridges Operating environment humidity Operating 20 to 80 50 to 70 humidity for full color print quality guaranteed Maximum wet bul...

Page 13: ... A6 size paper cannot be printed from trays 2 and 3 Postcards and double postcards can be printed only from the MPT As for Custom the available size differs depending on trays Minimum paper size Tray 1 A6 Tray 2 Tray 3 options A5 MPT Postcard Media weight Tray 1 64 g m2 to 120 g m2 Tray 2 Tray 3 options 64 g m2 to 175 g m2 MPT 64 g m2 to 200 g m2 Classification Item Specification s Operator panel ...

Page 14: ...ction kit A3 Tray configuration 2nd tray and 3rd tray Cassette Universal 530 sheets Duplex unit Provided Long sheet supporter Not provided Others Unavailable Factory setting Japan PCL PS model Other USB IF logo Provided Windows logo Provided Operation with UPS or inverter Proper operation by use of a UPS uninterruptible power supply or an inverter is not guaranteed Do not use a UPS and an inverter...

Page 15: ...lf powered device 1 5 1 2 USB interface connectors and cables 1 Connector Printer side B receptacle female Upstream port Product equivalent to UBR24 4K5C00 Made by ACON Connector pin arrangement 2 Cables Length USB 2 0 cables no more than five meters long two meters or less recommended Shielded USB 2 0 cables shall be used 1 5 1 3 USB interface signals Signal name Function 1 Vbus Power 5V 2 D For ...

Page 16: ...ervers 32 queues Support of encrypted passwords in print server mode NetWare 6J 5J 4 1J NDS bindery SNMP EtherTalk ELAP AARP DDP AEP NBP ZIP RTMP ATP PAP IEEE 802 1X EAP TLS PEAP 2 Cable Non shield twisted pair cable with RJ 45 connector Category 5 recommended 1 5 2 3 Network interface signals Pin No Signal name Direction Function 1 TXD FROM PRINTER Transmitting data 2 TXD FROM PRINTER Transmittin...

Page 17: ...e 9 bit 1 5 3 2 Connector and cable of parallel interface 1 Connector Printer side 36 pole connector female Product equivalent to 57LE 40360 12 D56 DDK Ltd Cable side 36 pole connector male Product equivalent to 57FE 30360 20N D8 DDK Ltd Pin arrangement on the interface cable side 2 Cable Use a cable of 1 8 m or less Use a shielded twisted pair cable for noise prevention 1 5 3 3 Parallel interface...

Page 18: ...Oki Data CONFIDENTIAL 2 DESCRIPTION OF OPERATION 2 1 Electrophotographic process mechanism 18 2 2 Printing process 21 ...

Page 19: ... an electric charge is applied to it from the backside by the transfer roller so that the toner image is transferred to the paper 5 Drum cleaning The drum cleaning blade removes toner remaining on the OPC drum after the transfer 6 Belt cleaning The belt cleaning blade removes toner remaining on the belt 7 Fusing Heat and pressure are applied to the toner image on the paper to promote its fusion 2 ...

Page 20: ...by the toner 5 Transfer A sheet of paper is placed over the OPC drum surface and an electric charge is given to the paper from its backside by the transfer roller When a high voltage is applied to the transfer roller from the power source the charge induced on the transfer roller moves on to the surface of the paper through the contact part between the transfer roller and the paper the toner being...

Page 21: ...ace There is also a thermostat for safety purposes When the heat roller temperature rises above a certain temperature the thermostat opens and shuts down the power supplied to the heater The backup roller unit is pressed against the heater with a press spring on both sides 7 Drum cleaning Unfixed toner remaining on the OPC drum is removed by the drum cleaning blade and collected into the waste ton...

Page 22: ...the paper is fed along the paper feed route of the Duplex unit to eventually merge the same route that comes from the tray From here on the same operation as that of one sided print of paper fed from the tray takes place Face down stacker Face up stacker MPT Sub roller Paper feed roller Sub roller Transport roller Paper feed roller Registration roller L Registration roller U MPT paper feed roller ...

Page 23: ...certain distance to finally hit the registration roller U This corrects skew of the paper 3 As shown in Figure 2 4 the registration motor rotates counterclockwise to let the registration roller U transport the paper As the registration motor rotates counterclockwise the registration roller U is driven Figure 2 3 Figure 2 4 3 Transport belt 1 As the transport belt motor rotates in the direction of ...

Page 24: ... of the different ID units when the printer is operated for monochrome print As the lift up motor rotates counterclockwise the lift up link slides to the right causing the ID units to go up except for the K ID unit as can be seen in Figure 2 7 Namely the printer is readied for monochrome print Lift up link C ID unit M ID unit y ID unit K ID unit C ID unit M ID unit y ID unit K ID unit Lift up moto...

Page 25: ... motion of the color registration sensor and the density sensor 1 As illustrated in Figure 2 9 when the solenoid is energized the link lever moves causing the cover of the color registration sensor and the density sensor to open 2 As the solenoid is de energized the spring pushes the cover causing the cover of the color registration sensor and the density sensor to close Figure 2 8 Figure 2 9 Ejec...

Page 26: ... pages or more have been printed after the previous correction A correction error may be issued due to an inadequate toner amount of the pattern generated a sensor stained with toner deficient opening closing of the shutter or for other reasons However even if an error is issued it is not indicated on the operator panel Therefore forcible color registration correction will have to be performed in ...

Page 27: ...the shutter operates imperfectly replace the shutter unit If no problem was found by the checks 1 through 3 there is a problem with the circuit Replace each of the color registration sensor PCBs PRC PCB the relay board P6Y PCB the PU board PU PCB and the cable one by one and check that no error will occur again BELT REFLX ERR Check 4 If this indication appears check the cleaned state of the toner ...

Page 28: ...vious correction exceeds 500 A correction error may be issued due to an inadequate toner amount of the pattern generated a sensor stained with toner deficient opening closing of the shutter or for other reasons However even if an error is issued it is not indicated on the operator panel Therefore forcible density correction will have to be performed in the self diagnostic mode section 5 3 2 7 to c...

Page 29: ... sensor installed inside the printer The shielding plate is mounted inside the ID and rotates in synchronization with toner agitation Moreover the ID has a shutter fitted The shutter is synchronized with the operation lever of the toner cartridge and the toner sensor can detect that the toner cartridge has been loaded properly Detection may not take place normally and a toner sensor error may be i...

Page 30: ...version 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 380 occurs Printed pages are counted when any jam except the said jams occurs Since the total number of prints is counted up when the front end of print media passes the writing sensor a feed jam 380 is also included into the limits for counted according to its j...

Page 31: ...OID 2 4 A3 NOBI 2 4 A3 WIDE 2 4 A3 2 4 A4 1 2 A5 1 2 A6 1 2 B4 2 4 B5 1 2 COM 9 1 2 COM 10 1 2 MONARCH 1 2 DL 1 2 C5 1 2 C4 1 2 HAGAKI 1 2 OUFUKU HAGAKI 1 2 CUSTOM LENGTH 210mm 1 2 Paper size Simplex Duplex CUSTOM 210 LENGTH 900mm 2 4 CUSTOM 900mm LENGTH 4 8 ENVELOPE1 Choukei 3 1 2 ENVELOPE2 Choukei 4 1 2 ENVELOPE3 Youkei 4 1 2 ENVELOPE4 Envelope A4 1 2 ENVELOPE5 Kakugata 2 2 4 ENVELOPE6 Kakugata ...

Page 32: ...and don ts 32 3 2 Unpacking procedure 33 3 3 Printer installation instructions 34 3 4 List of components and accessories 35 3 5 Assembly procedure 36 3 6 Printing of the configuration report 57 3 7 Connection methods 58 3 8 Checking of paper used by the user 60 ...

Page 33: ...ombustible spray near the printer It may case a fire because the printer contains 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 information center It may lead a fire If water or any other liquid enters the inside of the printer remove the power plug from the...

Page 34: ... procedure Personal injury may occur Since the printer weights approximately 40 kg it should be lifted by two or more people Remove the four handles from the sides of the box as illustrated below and lift the corrugated fiberboard box Handle one on each side four in total ...

Page 35: ...ient humidity 20 80 RH relative humidity Maximum wet bulb temperature 25 C Exercise caution to avoid dew condensation If the printer is installed in a location with ambient relative humidity below 30 use a humidifier or antistatic mat Installation space Place the printer on a flat desk large enough to accommodate its footings Provide enough spaces around the printer Plan view Side view 60cm 20cm 2...

Page 36: ...ion for instructions Personal injury may occur Since the printer weights approximately 40 kg it should be lifted by two or more people Printer main unit Image drum cartridges one each of cyan magenta yellow and black installed in the printer Toner cartridges one each of cyan magenta yellow and black installed in the printer Inform the user that the toner cartridges and image drum cartridges can be...

Page 37: ...aper from the top of the printer 2 Remove the protective tapes three places and protective paper from the front of the printer 3 Remove the protective tapes three places from the back of the printer and the power unit 4 Remove the protective tapes from the power unit 5 Press the OPEN button to open the top cover Paper Desiccant Protective tape Paper Protective tape OPEN button Protective tape ...

Page 38: ...to direct sunlight or strong light approx 1500 lux or above Even under room light do not leave them exposed for five minutes or longer 2 Put the image drum cartridge on newspaper or something remove the tape holding the protective sheet and pull the sheet out in the direction of the arrow Image drum cartridge How to hold the image drum cartridge 3 Remove the toner cover 4 Similarly remove the prot...

Page 39: ...gaged with the protrusion of the cartridge guide f Turn the lever on the toner cartridge in the direction of the arrow until it stops Note Do not force the toner cartridges into place If the cartridges do not fit check to see if the color of the lever on each of the toner cartridges corresponds to the color of the label on each of the image drum cartridges If the colors of these labels do not corr...

Page 40: ... size paper move the paper stopper toward you to remove it Then attach it to the position shown 3 Fan the edges of paper stack and align the edges of the stack on a level surface 4 Load the paper with the print side facing down Note Place the paper against the front side of the paper cassette Do not allow the level of paper to pass the mark of the paper guide 300 sheets of 70 kg paper 5 Hold the p...

Page 41: ...sert the paper print face up along the manual feed guide straight as far as it will go Multi purpose tray Multi purpose tray Paper support extension Manual feed guide Manual feed guide 5 Press the set button Storing Quick Guide Stick a bag for Quick Guide on the printer to store Quick Guide 1 Remove double faced tapes two places from the back of the bag 2 Stick the bag for Quick Guide on the print...

Page 42: ...l outlet Do not connect the printer to the same power outlet shared by other electric appliances Especially if the printer is connected to the same power outlet in conjunction with an air conditioner copy machine or shredder electric noise may cause false operation of the printer If it is inevitable to connect them to the same power outlet use a commercial noise filter or noise cut transformer Ope...

Page 43: ... will start 2 After Shutdown Completed Turn off the power or press the restart button to restart appears press the power switch OFF O No use for a long time Unplug the power cord when the printer will not be used for a long time such as during long vacations or trips Note This printer does not cause any malfunction even if the power plug is disconnected for a long time four weeks or longer Unwarra...

Page 44: ...nal tray unit To detach the additional tray unit follow the same procedure in reverse order of installation Pin Hole on the bottom of the printer 3 Connect the power cord and the printer cable to the printer and turn the power ON Note If SERVICE CALL 182 ERROR or SERVICE CALL 183 ERROR appears remove the installed tray unit and reinstall it to the printer 1 Turn off the printer and disconnect the ...

Page 45: ...e printer driver hasn t been set up set up the printer driver by referring to the relevant user s manual Setup and then perform the following setup Note Administrator privileges on the computer are required Settings for Windows PS printer driver Screen of Windows XP For Windows Vista Server 2008 select Start Control Panel Printers For Windows XP select Start Control Panel Printers and Other Hardwa...

Page 46: ...tting is also updated Memo For how to create the desktop printer see Creating the Desktop Printer of Setup for Macintosh with USB Connection in the user s manual Setup Select the printer in Chooser and click Reconfigure Click Configuration Select an appropriate value in Number of Trays and click OK Close Chooser Select Apple Menu System Configuration Click Printers and Faxes Select a printer name ...

Page 47: ...e printer cable Note Installing with the printer ON may damage the printer Memo Refer to Turning off the power for the turn off procedure 2 Put the additional trays on the cabinet Note Do not lift the printer and additional trays together Align the holes on the bottom of the additional tray to the pins of the cabinet Place the additional trays gently on the cabinet Accessories 型名 CAB S1 Anti tip b...

Page 48: ... the bottom 4 Install the support plate Memo The plate can be installed only when two additional trays are used It cannot be installed for the printer main unit only when one additional tray is used Open the multi purpose tray Multi purpose tray Front cover Align the holes on the bottom of the printer to the pins of the additional tray Place the printer gently on the stack of additional trays Push...

Page 49: ...port plate Install the support plate to the printer and cabinet with the screw unscrewed in the step Note Watch the shape of the support plate to install it Side cover Screw 5 Attach anti tip brackets Attach an anti tip bracket for the front side to the left side of the cabinet with three screws Screw Screw Screw hole Attach the side cover of the printer Fix the side cover with the screw Close the...

Page 50: ...ower cord and cables to the printer and turn on the power 8 Check that the additional trays are correctly attached and set up the additional trays in the computer Memo For the procedure to check for installation of additional trays see 1 Installation of an additional tray unit How to remove the anti tip bracket covers Insert a flat blade screwdriver into the opening of an anti tip bracket cover mo...

Page 51: ...making collated sets of copies Additional memory Model name Memory capacity total None standard 256 MB 256 MB MEM256E 256 MB 512 MB MEM512C 512 MB 768 MB 1 Turn off the printer and disconnect the power cord Turn off the printer by following the steps described under Turning off the power in section 3 5 2 Note The printer or additional memory may fail if the power is switched off without taking shu...

Page 52: ...against the printer to fit it firmly Close the metal cover plate Before taking the additional memory out of the package discharge any static electricity from the package by bringing the package in contact with a metal section Slide the metal cover plate in the direction of the arrow to open it Insert the memory into the slot at an angle 5 Attach the side cover Screw Side cover Attach the side cove...

Page 53: ...lation of an internal hard disk Note Fonts cannot be downloaded to any optional internal hard disk for the printer Two types of internal hard disks are provided as options for the C830 printers as shown below Standard internal hard disk It is an internal hard disk to be added to C830 printers It is used for authenticated printing print job saving and buffer printing or used when Collating Error ap...

Page 54: ...e to follow the shutdown procedure Installation of an internal hard disk with the power on may cause a failure of the printer 2 Open the top cover and the front cover 3 Remove the side cover Loosen the screw one place Remove the side cover Pull it outward to remove the side cover by holding the upper edge of the side cover to lift OPEN button Multi purpose tray Handle Open the multi purpose tray P...

Page 55: ...y the printer recognize If the printer driver hasn t been set up set up the printer driver by referring to the relevant user s manual Setup and then perform the following setup by taking steps described on the following pages 7 Print the configuration report and check the printout for successful installation of the internal hard disk Screw Side cover Attach the side cover Fix the side cover with t...

Page 56: ...perties Click Get printer information in Installable Options on the Device Settings tab and click Setup or Obtain printer information When the printer has been connected to the computer via USB manually set the Hard Disk setting to Installed Click OK Setting for Windows PCL Printer Driver For Windows Vista Server 2008 select Start Control Panel Printers For Windows XP select Start Control Panel Pr...

Page 57: ...osh with USB Connection in the user s manual Setup Select Apple Menu System Configuration Click Printers and Faxes Select a printer name and click Options and Supplies to select the Driver tab Select an appropriate value in Hard Disk and click OK Settings for Mac OS X In Mac OS X when options are added before installing the printer driver device information can be automatically obtained but when c...

Page 58: ...ray1 Check to make sure that Ready to Print is displayed on the panel Press the button several times until Printer Information Printing is selected and then press the ENTER button Press the button until Configuration report is selected and then press the ENTER button Press the ENTER button Printing of the configuration report is started Memo To print Network Information two pages press the button ...

Page 59: ...r less is recommended Switching off the printer and the computer Memo Although a USB cable can be plugged in or unplugged with the computer and the printer switched on for secure installation of the USB driver and the printer driver to be performed subsequently the printer should be turned off Connecting the computer to the printer 1 Plug the USB cable into the USB interface connector of the print...

Page 60: ... Connecting the computer to the printer 1 Plug the Ethernet cable into the network interface connector of the printer 2 Plug the Ethernet cable into the hub Ethernet cable Hub Parallel connection Preparing a parallel cable Note A parallel cable does not come with the printer Ask the user to prepare a parallel cable Turning off the printer and the computer Connecting the computer to the printer 1 C...

Page 61: ...203g m2 Ultra heavy 1 Ultra heavy 1 176 189 kg 204 220g m2 Ultra heavy 2 Ultra heavy 2 Postcard 4 Envelope 4 Label 0 1 to under 0 17 mm Heavy Label Label 1 0 17 to 0 2 mm Ultra heavy 1 Label 2 1 The factory default for the media type is Light OEL Medium Light ODA 2 Media weight and type can be set on the operator panel and in the printer driver The settings in the printer driver take priority Data...

Page 62: ...hem 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 configuration diagram 44015501TL and the RSPL 44015501TR 4 1 Notes on replacement of parts 62 4 2 Part replacement procedure 64 4 3 Portions lubricated 103 4 REPLACEMENT OF PARTS ...

Page 63: ...ollars should be tentatively installed in their original positions 7 Do not use static prone gloves when handling integrated circuits ICs or circuit boards including microprocessors and ROM and RAM chips 8 Do not place printed circuit boards PCBs directly on the printer or a floor b Be sure to use the following procedure to reconnect the printer Connect the AC cord and the interface cable to the p...

Page 64: ...5 200 1 4 Digital multimeter 1 5 Pliers 1 6 Handy vacuum cleaner toner vacuum 1 See note 7 E ring pliers 1 E shaped ring removal Note Use a toner vacuum Using a general purpose vacuum may cause toner to catch fire Table 4 1 2 shows the tools necessary to use Maintenance Utility software Table 4 1 2 Maintenance Tools No Maintenance Tool Quantity Use Remarks 1 Notebook personal computer with Mainten...

Page 65: ...r replacing the parts and assemblies shown in the disassembly diagram 4 2 1 Belt unit 1 Open the top cover 2 Remove the image drum unit 3 Turn the two lock handles blue of the belt unit in the direction of the arrows and holding the unit by the blue handle detach the unit Top cover Note Cover the image drum cartridges with a piece of black paper Black paper Handle blue ...

Page 66: ...CONFIDENTIAL 4 REPLACEMENT OF PARTS 4 2 2 Fuser unit 1 Open the top cover 2 Pull the fuser unit lock lever blue in the direction of the arrow and detach the fuser unit Top cover Fuser unit lock lever blue Fuser unit lock lever blue ...

Page 67: ...AL 4 REPLACEMENT OF PARTS 4 2 3 Left side cover 1 Open the top cover 2 Open the multi purpose tray 3 Open the front cover 4 Remove the screw silver colored to detach the left side cover tool number 1 Front cover Multi purpose tray Top cover ...

Page 68: ...TIAL 4 REPLACEMENT OF PARTS 4 2 4 Right side cover 1 Open the top cover 2 Open the multi purpose tray 3 Open the front cover 4 Loosen the screw and detach the right side cover tool number 1 Top cover Front cover loosened Multi purpose Tray ...

Page 69: ...68 Oki Data CONFIDENTIAL 4 REPLACEMENT OF PARTS 4 2 5 Rear cover Assy 1 Pull out the duplex unit 2 Remove the two screws silver colored tool number 1 3 Sliding the rear cover Assy in the direction of the arrow detach it ...

Page 70: ...F PARTS 4 2 6 LED Assy 1 Open the top cover 2 Remove the FFC cables As shown in diagram 1 applying force in the direction of the arrow unlatch the portion A and then the portion B to detach the LED Assy Top cover Latch A Latch A Diagram 1 Latch B Latch B FFC ...

Page 71: ... drum motor image drum lift up motor and feed motor 1 Open the top cover 2 Remove the right side cover see section 4 2 4 3 Remove the ten screws silver colored and the plate shield Assy tool number 1 4 Remove the FFC cables of the LED heads the RFID FFC cable and the power supply connector C M Y K ...

Page 72: ...DENTIAL 4 REPLACEMENT OF PARTS 7 Remove the four screws silver colored to detach the image drum motor tool number 1 5 Remove the rear cover Assy see section 4 2 5 6 Remove the five screws silver colored to detach the main controller PCB ...

Page 73: ... 72 Oki Data CONFIDENTIAL 4 REPLACEMENT OF PARTS 8 Remove the two screws silver colored and the cable to detach the feed motor 9 Remove the two screws silver colored and the cable to detach the image drum lift up motor ...

Page 74: ...T OPTION POWFAN HSOL FSNSOL HOPIDUP SIZE 4 2 8 Print engine controller PCB 1 Remove the plate shield Assy see section 4 2 7 1 through 3 2 Remove the three screws silver colored the crew black and the reinforcement plate tool number 1 3 Remove the all the connectors and the two screws silver colored to detach the print engine controller PCB tool number 1 ...

Page 75: ...D CUIF DCHEAT CU M belt PE sensor Size switch M paper feed and image drum up down Shutter clutch fuser end cooling fan M fuser Paper feed clutch Toner sensor board ORZ Low voltage power supply fan Relay board Operator panel M image drum High voltage board Low voltage power supply Option duplex second RFID CUIF FSNS PE SSNS DCID OPE Low voltage power supply Option duplex second POWER BELT OPTION PO...

Page 76: ...3 2 Remove the right side cover see section 4 2 4 3 Remove the rear cover Assy see section 4 2 5 4 Remove the plate Assy shield see section 4 2 6 5 Remove the four FFC cables the RFID FFC cable and the fan connector 6 Remove the screw silver colored and the cable Assy LED heads tool number 1 FFC cables Fan connector RFID FFC cable ...

Page 77: ...ws and the fan Assy see section 4 2 7 6 8 Remove the five screws silver colored and slide out the main controller PCB Assy rearward tool number 1 see section 4 2 7 7 9 Remove the screw silver colored the two E shaped retainer rings and the two torsion springs to detach the top cover Assy ...

Page 78: ...p cover 1 Remove the top cover Assy see section 4 2 9 2 Remove the eleven screws black the three screws black the cable cover and the top cover tool number 1 4 Warp and remove the auxiliary top cover 3 Remove the screw and the cable Assy LED heads Remove the film contact x 11 ...

Page 79: ...n 4 2 7 2 6 Detach and unclamp at the two points the FFC of the operator panel Assy 7 Unlatch the operator panel cover Assy at the two points A to remove it and at the same angle as shown left below remove the operator panel cover Top cover Front cover Multi purpose tray Clamp FFC Front cover Operator panel cover Assy Unlatched points A 8 Remove the three screws silver colored to detach the operat...

Page 80: ...the top cover 2 Unlatch the operator cover Assy at the two points A remove the FFC and the Assy 3 As shown in diagram 2 unlatch the operator panel cover Assy at the two points B remove the board PRP the LCD button and the button key Top cover Unlatched points A Unlatched points B Diagram 2 ...

Page 81: ... shaft ejection Assy FD 1 Remove the rear cover Assy see section 4 2 5 2 Remove the screw silver colored to remove the guide ejection Assy upper 3 Remove the gears idler ejection and 4 Remove the two molded E shaped rings and warp and detach the shaft ejection Assy FU and the shaft ejection Assy FD ...

Page 82: ...right side and rear covers the top cover Assy the print engine controller PCB and the guide ejection Assy upper see sections 4 2 3 4 2 4 4 2 5 4 2 8 4 2 9 and 4 2 13 2 Slide out the guide ejection lower to the left and remove the connector 3 Remove the lever ejection sensor and the ejection sensor 4 Remove the two screws silver colored to remove the auxiliary Assy ...

Page 83: ... right and left FFC connectors and the two connectors from the relay board P6Y and the connector from the color registration Assy Remove the five screws silver colored to detach color registration Assy 5 Remove the eleven screws silver colored to remove the cover plate x 11 x 5 ...

Page 84: ...RTS 8 Remove the two connectors and and the FFC connector and the two screws silver colored to detach the relay board P6Y tool number 1 7 Remove the screw silver colored to remove the contact Assy tool number 1 LCR DENS RCR FUSERIN FUSER PUIF EXIT Relay board P6Y ...

Page 85: ...ser entrance sensor Fuser interface sensor Fuser release sensor and exit sensor Density sensor Right color registration adjustment sensor PCB PRC PCB SNS CN SNS CN LCR DENS RCR FUSERIN FUSER EXIT LCR DENS RCR FUSERIN FU SE R PUIF EXIT P6Y board PU interface connector Fuser release sensor and exist sensor Fuser interface connector Left color registration adjustment sensor PCB PRC PCB Fuser entrance...

Page 86: ...r from the high voltage power supply board and remove the two screws silver colored to detach the fan tool number 1 3 Remove the two screws black and the screw silver colored unlatch the high voltage power supply board at the eight points remove the belt thermistor connector the cover open sensor connector and the FFC connector and detach the high voltage power supply board tool number 1 Air flow ...

Page 87: ...503TH Rev 1 86 Oki Data CONFIDENTIAL 4 REPLACEMENT OF PARTS 5 Remove the screw silver colored to remove the fuser sensor Assy tool number 1 4 Remove the four screws silver colored to detach the contact Assy ...

Page 88: ...rpose tray warp and remove the stay on each side and detach the MPT Assy 3 Lift the pick up Assy and bowing the lug of the paper feed roller slide the roller to the left to detach the roller 4 Turn the separator Assy frontward around its two support points to disengage the Assy at the points to detach the separator and the two springs 5 Warping the side of the frame detach the pick up roller ...

Page 89: ...2 Remove the motor see section 4 2 7 8 3 Remove the left side cover see section 4 2 3 4 Remove the MPT Assy see section 4 2 16 2 5 Unplug the cable 6 Remove the two screws silver colored to remove the gear cover 7 Remove the connector from the high voltage board remove the six screws silver colored and as shown pull out the registration roller Assy ...

Page 90: ...CEMENT OF PARTS 4 2 18 Gear box registration hopping roller Assy and solenoid 1 Remove the registration roller Assy see section 4 2 17 2 Unclamp the cable from the solenoid and remove the screw silver colored to detach the solenoid 3 Remove the screw ...

Page 91: ...44015503TH Rev 1 90 Oki Data CONFIDENTIAL 4 REPLACEMENT OF PARTS 5 Remove the two screws silver colored and lift out the gear box 4 Remove the two screws silver colored to remove the cable cover ...

Page 92: ...44015503TH Rev 1 91 Oki Data CONFIDENTIAL 4 REPLACEMENT OF PARTS 6 Remove the four screws silver colored and pull up the hopping roller Assy toward the front of the printer tool number 1 ...

Page 93: ...ctly After the AC cord is unplugged the capacitor may take about one minute to discharge completely or could not discharge due to PCB breakdown Use caution about electric shock 1 Remove the plate shield Assy see section 4 2 7 1 to 3 2 Remove the MPT Assy see section 4 2 16 2 3 Remove the connector and the screw black to detach the holder switch Assy 4 Remove the image drum motor see section 4 2 7 ...

Page 94: ... screw silver colored the two screws silver colored the AC cord connector and the power supply cover to detach the low voltage power supply CN3 Low voltage fan PRN PCB power connector Fuser interface connector Low voltage power supply CN6 CN2 CN6 short plug AC switch Note CN6 AC input voltage setting switch connector 100V short plug contained but 230V short plug not contained ...

Page 95: ...he main control PCB print engine roller PCB see sections 4 2 7 and 4 2 8 2 Remove the low voltage power supply see section 4 2 19 7 3 Remove the insulator 4 Unclamp the two cables and to detach the belt motor Assy remove the four screws silver colored of which brackets are marked with a number 2 in a rectangle 2 Clamped ...

Page 96: ...44015503TH Rev 1 95 Oki Data CONFIDENTIAL 4 REPLACEMENT OF PARTS 5 Remove the four screws silver colored to detach the fuser motor Assy ...

Page 97: ...de L Assy 1 See sections 4 2 1 to 4 2 20 2 Remove the two screws silver colored to remove the image drum lift up gear bracket 3 Remove the E shaped ring and the image drum lift up gear R tool number 8 4 Pull out the shaft leftward 5 Remove the screw silver colored to remove the belt bracket ...

Page 98: ...F PARTS 6 Remove the four screws silver colored to remove the base plate 7 Remove the four screws silver colored to remove the plate beam 8 Remove the two screws silver colored to remove the plate beam rear The side L Assy and the side R Assy become detached ...

Page 99: ... spring from the paper cassette 2 Pressing the protrusion of the paper feed roller large outward detach the roller from its shaft 4 Warping the separator until its one leg is removed out of the support of the leg detach the separator Support Leg Be careful not to damage the shaded area Notes on attaching paper feed roller 1 To attach a new paper feed roller insert it onto the shaft and turn it all...

Page 100: ... into the hole of the other leg Be careful not to touch the pad rubber during this operation Pad Support Leg Hole Pad 2 Make sure the supports are put in the holes of the legs 3 Insert a new spring onto the post of the separator to attach it Note Be careful not to allow the spring to jump The removed spring can be used New spring Post 4 Be sure the separator turns smoothly around the supports Be c...

Page 101: ...er and remove the paper cassette of the tray 2 3 2 Pressing the protrusions of the two paper feed rollers outward detach them from their shafts 3 Warp the protrusion on each side of the cover on the paper cassette to unlatch the cover and turning the cover toward the front of the printer remove the cover 4 Pull the retard roller Assy in the direction of the arrow out of its shaft Latched ...

Page 102: ...new paper feed roller with no gears onto the outside shaft and turn all the way in place Be sure the rollers are not removed Notes on attaching retard roller Assy 1 Put the spring onto the boss on the rear of a retard roller Assy and push the bearing of the Assy obliquely from below onto the shaft on the side of the cassette 2 Be sure that the retard roller Assy moves smoothly around the shaft and...

Page 103: ...2 Lift the paper pick up section and pressing the protrusion of the paper feed roller of the multi purpose tray outward remove the from its shaft Notes on attaching paper feed roller 1 To attach a new paper feed roller insert it onto the shaft and turn it all the way After attaching the roller make sure it is not removed out of the shaft Multi purpose tray Latched ...

Page 104: ... 7 26 W Portions lubricated are shown in this section The other portions must not be lubricated Lubrication is not required during assembly or disassembly except that the lubricant specified must be applied to portions from which lubricant was wiped Lubrication 1 Lubricant names and their abbreviations EM 30L Molykote EM 30L HP 300 Molykote HP 300 PM Pan motor oil 10W 40 or ZOA 10W 30 2 Grease bou...

Page 105: ...t Z12 HP Stopper HP Holder planet Stopper Z45 48 HP Shaft hopping Shaft hopping Class C EM 30L to gear bearing surfaces Class A EM 30L to gear end faces Class C EM 30L to latches hatched areas Gear Z24 50 HP Class C EM 30L to end faces Class A EM 30L to both end faces Class C EM 30L to tooth surface and end faces Class C EM 30L to groove Plate gear Frame Assy hopping ...

Page 106: ...CEMENT OF PARTS Gear holder Assy Class C Molykote EM 30L to hatched areas Post gear holder Spacer coupled Spacer gear Gear planet Z24 Gear planet Z24 Back of gear planet Z24 Class B Molykote EM 30L to post Holder gear A Class B EM 30L to hatched areas ...

Page 107: ...reas Bearing registration Bearing 1 Roller Assy registration lower 2 Roller Assy registration lower Class C Molykote EM 30L to entire gear tooth surfaces Class C Molykote EM 30L to hatched area Plate holder caulked Gear registration U 24 25 Gear idler MPT Class C Molykote EM 30L to entire gear tooth surfaces Gear Z42 Gear registration L 24 54 ...

Page 108: ...30L to 7 hatched areas Class C Molykote EM30L to bearings Class C Molykote EM 30L to gear tooth surface shaft surface and flange Shaft Assy ejection FD Class C Molykote EM 30L to gear tooth surface shaft surface and flange Shaft Assy ejection FU Class C Molykote EM 30L to post surfaces Gear idler exit Z58 Gear idler exit Z41 Class C EM 30L to cross hatched areas Gear idler exit Z58 cross section G...

Page 109: ...L to 2 posts Class C Molykote EM 30L to gear tooth surfaces Class C Molykote EM 30L to gear end face Gear reduction belt Gear idler belt Plate belt caulked 1 Plate main Assy Moderate amount Class C Molykote EM 30L to 9 hatched areas Class F Molykote EM30L to cross hatched areas Collars Plate main caulked ...

Page 110: ...dler drum Gear reduction ID Gear idler A Plate main caulked Gear idler B Class C EM 30L to gear tooth surface and end face Class A EM 30L to tooth surface Class F EM 30L to gear end faces Back of gear reduction B Plate main caulked Gear idler B Gear idler A Gear reduction ID Gear idler drum Class C EM 30L to 9 gear end faces ...

Page 111: ...Posts planet Bush 4 Washer Gear planet release Plate planet FU Planet Assy Plate main 2 caulked Gear reduction roller Gear idler release Gear reduction B2 Gear reduction A Planet Assy Moderate amount Class C Molykote HP300 to posts Moderate amount Class C Molykote HP300 to tooth tips Moderate amount Class C Molykote HP300 to tooth tips Moderate amount Class C Molykote HP300 to tooth tips Plate mai...

Page 112: ...NTIAL 4 REPLACEMENT OF PARTS Class C EM 30L to entire 4 hatched areas Class C EM 30L to entire 4 hatched areas Plate side R view A Back of A view 1 Plate side R Assy 2 Plate side R Assy Class C Molykote EM 30L to hatched area Plate side R ...

Page 113: ...mount Class C Molykote HP300 to hatched areas Gear idler fuser Motor Assy fuser Plate side R Assy Class C EM 30L to entire hatched area Gear cassette R 4 Plate side R Assy Small amount Class A Molykote EM 30L to hatched areas 5 mm width Enlarged view Class A EM 30L to hatched areas Rack lift up R ...

Page 114: ...03TH Rev 1 113 Oki Data CONFIDENTIAL 4 REPLACEMENT OF PARTS Guide cassette L Class C EM 30L to entire hatched area 1 Plate side L Assy 2 Plate side L Assy Class C Molykote EM 30L to hatched area Plate side L ...

Page 115: ...IAL 4 REPLACEMENT OF PARTS 3 Plate side L Assy Small amount Class A Molykote EM 30L to hatched areas Small amount Class A Molykote EM 30L to hatched areas Enlarged view Enlarged view 5 mm width Rack lift up L Class A EM 30L to hatched areas ...

Page 116: ...s C Molykote EM 30L to posts 3 places Fuser shutter Class C EM 30L to rotational support points and sides Frame separation Assy 1 2 Areas free of grease Roller Assy idler FD Grease Application Apply a very small amount Class S of Molykote EM 30L to the sliding areas of and hatched areas before assembling them ...

Page 117: ... posts 2 places Class C Molykote EM 30L to entire gear tooth surfaces Gear reduction L UP3 Plate lift up caulked Gear reduction L UP2 1 Printer unit Cover Assy top Sprint torsion R Spring torsion L Class C MT brushed between tight wound coil wires each of sprint torsion L and sprint torsion R ...

Page 118: ...aft lift up from the plate side R side 3 Apply a moderate amount Class C of Molykote EM 30L to the shaft on each end of it the hatched area 4 Move the shaft from side to side and rotate it to spread the applied Molykote appropriately Class C Molykote EM 30L to all around gear tooth surfaces Class C Molykote EM 30L to all around gear tooth surface Shafts lift up Gear reduction L up Gear reduction L...

Page 119: ... unit 40 100 40 100 Small amount Class A PM to hatched areas 1 To apply Wipe the hatched areas with material like a cloth impregnated with a small amount of PM 2 After applying PM make sure that by pulling out and inserting the cassettes several times no scraping sounds occur ...

Page 120: ...s are provided in addition to general menus Select the menu intended for each adjustment purpose 5 1 System Maintenance menu for maintenance personnel 120 5 2 Maintenance Utility 122 5 3 User maintenance menu functions 124 5 4 Setup after part replacement 146 5 5 Manual density adjustment setting 148 5 6 Boot Menu List 149 5 MAINTENANCE MENUS ...

Page 121: ...menu starting formatting an HDD that has been installed on the printer Display condition An HDD has been installed on the printer Boot Menu Storage Setup Enable HDD has been set to YES Category Option 1st row Settings 2nd row DF Function System Mainte nance Mainte nance Menu Format Flash ROM Execute Initializes flash ROM Pressing the Enter button displays the confirmation message Are You Sure Yes ...

Page 122: ...the option IBM PPR III XL Enable Disable EPSON FX Enable Disable HP GL 2 Enable Disable Change Pass word Changes a password Pressing the Enter button with this option displayed displays NEW PASSWORD and VERIFY PASSWORD and then a new password can be entered New Password Sets a new password to enter the System Maintenance menu Six to twelve alphanumeric characters can be entered as the password Ver...

Page 123: ...eplacement PU board to which the information on the EEPROM on the PU board cannot be copied due to an interface error The maintenance board is set to the Factory mode usually by default and by using this function must be set to the Shipping mode 2 4 1 1 2 3 5 3 2 10 Option Adjustment Section in Maintenance Utility operation manual Operation from operator panel section in this maintenance manual 4 ...

Page 124: ...4 1 4 1 Perform local printing refer to System Specification 18 Switch scan test Executes the switch scan test Purpose To check each sensor for proper operation 2 4 1 5 1 19 Motor clutch test Executes the motor clutch test Purpose To check each item such as a motor or clutch for proper operation 2 4 1 5 2 Option Adjustment Section in Maintenance Utility operation manual Operation from operator pan...

Page 125: ... loaded within the time Option Settings Function System Adjust cont Wait Timeout Off 5 sec 10 sec 20 sec 30 sec 40 sec 50 sec 60 sec 90 sec 120 sec 150 sec 180 sec 210 sec 240 sec 270 sec 300 sec Sets the time period between stopping data reception and forced printing of a job When a PostScript job the job is not printed being cancelled Low Toner Continue Stop Sets the printing operation when a st...

Page 126: ...igh density print areas result Plain Paper Color Setting 0 1 2 2 1 Performs micro adjustment when visible faded color print or visible light color specks or streaks result more frequently on plain paper Decrease the setting value when such specks or streaks or snow flake like print in high density print areas result Transparency Black Setting 0 1 2 2 1 Performs micro adjustment when visible faded ...

Page 127: ...on size XX Shared XX XX Post Script XX Apply XX Format PCL Shared PostScript Formats a specified partition System Adjust Near Life Status Enable Disable Sets whether to control the LCD display when an image drum fuser or belt near life warning occurs Near Life LED Enable Disable Sets whether to control the LED turn on when a toner image drum fuser or belt near life warning occurs Change Password N...

Page 128: ...ears and ENGINE DIAG MODE selected and ENTER pressed LEVEL0 1 Menu option display switching Hold down the BACK or ONLINE button or momentarily press the MENU up arrow or MENU down arrow button to display the option shown in a shaded area XXXXX Use the MENU up arrow or MENU down arrow button to display the menu option shown in a non shaded area XXXXX Voltage display during printing Transfer TR volt...

Page 129: ... DRUM OVER LIFE WR POINT REV BOTTOM WRT POINT Note Hold down the ENTER button for three seconds to determine a parameter NBC LED HEAD DATA K Y M C Color registration adjustment test result display items under option marked with 2 REG ADJ RSLT SNS CARIBRAT L FINE ADJ Y Y L SNS CARIBRAT R FINE ADJ Y Y L D RANGE L Y M C FINE ADJ Y Y R D RANGE R Y M C FINE ADJ Y Y R CRSE ADJ Y L R X FINE ADJ Y X L CRS...

Page 130: ...lays the status of a fuse No 24 10 Engine parameter setting SENSOR SETTING Sets whether to enable or disable error detection performed by each sensor No 25 11 NVRAM parameter setting NVRAM PARAMETER Must not be used Unavailable 5 3 2 2 1 Entering self diagnostic mode level 1 Note Entering the System Maintenance mode of C830 requires a password Refer to table 5 1 for description on it 1 Turn on the...

Page 131: ...applicable LCD display the information displayed vary depending on the sensor 4 Press the CANCEL button The state in step 2 is restored 5 Repeat steps 2 through 4 when necessary 6 Press the BACK button to end the test the state in step 1 is restored Entrance sensor 1 Entrance sensor 2 Write sensor Exit sensor Tray 1 paper end sensor Color registration sensors L and R and density sensor Belt thermi...

Page 132: ...AD value H Humidity sensor YMC AD value H BELT_T Belt thermistor AD value H ID UP DOWN GREY GREY ID up down sensor H Down L Up RFIE COLOR 1 K RFID antenna UID H Y RFID antenna UID H M RFID antenna UID H C RFID antenna UID H T1 PE_PNE_CVO Tray 1 paper end sensor H No paper exists L Paper exists T1 CASETTE SIZE 1 Size setting switch 1 Port level H L Size setting switch 2 Port level H L Size setting ...

Page 133: ...ds refer to figure 5 2 Note The state in step 2 is restored after the unit is driven so The unit is driven again by pressing an appropriate button By usual printing driving the clutch solenoid repeatedly is turned on and off its motor is driven together with the solenoid when the solenoid cannot be driven solely for its mechanical structure Image drum up and down movement continues until the CANCE...

Page 134: ...NT MOTOR REGIST SHUTTER EXIT SOLENOID DUPLEX MOTOR OPTION DUPLEX CLUTCH OPTION T2 HOPPING MOTOR OPTION T2 FEED CLUTCH OPTION T3 HOPPING MOTOR OPTION T3 FEED CLUTCH OPTION ID UP DOWN The top and front cover must be closed LV FAN TEST FUSER FAN TEST DUPLEX FAN TEST FUSER2 FAN TEST Note Display while ID UP DOWN is in progress MOTOR CLUTCH TEST ID UP DOWN Three asterisks Identifies the number of times...

Page 135: ...ts printing with the press of the ENTER button and ends printing with the press of the CANCEL button TEST PATTERN 0 0 Prints a blank page 1 to 7 See the next section pattern printing 8 to 15 Print a blank page TEST CASSETTE TRAY1 Selects a paper source Not displayed when the tray 2 is not installed Not displayed when the tray 3 is not installed TRAY2 TRAY3 MFP PAGE 0000 Sets the number of test cop...

Page 136: ...nel Display Message Detail PAPER END SELECTED TRAY No paper exists DUPLEX UNIT IS NOT INSTALLED The duplex unit is not installed SELECTED TRAY IS NOT INSTALLED The selected tray is not installed REMOVE PAPER OUT OF DUPLEX An internal error of the duplex unit INSTALL CASSETTE TRAY OPEN The cassette of the selected tray is slid out Print patterns cannot be used for print quality checking 0 and 8 to ...

Page 137: ... transfer voltages for colors respectively in kV The above displays are switched to the following by pressing the MENU up arrow button KR YR MR CR KR A black transfer roller resistance value in uA YR A yellow transfer roller resistance value in uA MR A magenta transfer roller resistance value in uA CR A cyan transfer roller resistance value in uA The above displays are switched to the following by...

Page 138: ...identification number in hex The above displays are switched to the following by pressing the MENU up arrow button TR1 k y m c TR2 k y m c TR1 A transfer voltage parameter VTR1 table identification number in hex TR2 A transfer voltage parameter VTR2 table identification number in hex The above displays are switched to the following by pressing the MENU up arrow button TROFF BELT xxx TROFF A transf...

Page 139: ...the next test result Pressing the MENU down arrow button displays the preceding test result Press the BACK button to return to step 2 Remark The following message appears while the printer is initialized or issues an alarm or when the cover is open NG REG ADJ RESULT Pressing the CANCEL button during the test cancels the test turning on the ONLINE lamp restoring the state of step 2 When the display...

Page 140: ...ed for recovery from an error 1 Enter the self diagnostic mode and until the following message appears press the MENU up arrow or MENU down arrow button DENS ADJ TEST 2 Press the ENTER button The following message appears Press the MENU up arrow or MENU down arrow button until the intended option appears DENS ADJ TEST DENS ADJ EXECUTE 3 Press the ENTER button The displayed option is performed When...

Page 141: ...ENU down arrow button displays the preceding test result Press the BACK button to return to step 2 Pressing the CANCEL button during the test cancels the test turning on the ONLINE lamp restoring the state of step 2 Remark The following message appears while the printer is initialized or issues an alarm or when the cover is open NG DENS ADJ RESULT 4 Repeat step 3 when necessary 5 Press the BACK bu...

Page 142: ...l Images M ID UNIT IMAGES Decimal Images C ID UNIT IMAGES Decimal Images FUSER UNIT PRINTS Decimal Prints Displays the number of prints made to date after the first time installation of a fuser unit TR BELT UNIT IMAGES Decimal Images Displays the number of prints made to date after the first time installation of a belt unit K TONER FULL Decimal Each displays the usage of toner of a color Y TONER F...

Page 143: ...e self diagnostic mode and until the following message appears press the MENU up arrow or MENU down arrow button FACTORY MODE SET 2 Press the MENU up arrow or MENU down arrow button The following message appears Press the MENU up arrow or MENU down arrow button until the option to set refer to the table shown below appears FACTORY MODE SHIPPING MODE 3 A setting for the option can be selected by pr...

Page 144: ...ee seconds with the desired setting on the display The setting is stored in the EEPROM The state in step 2 is restored 5 Repeat steps 2 through 4 when necessary 6 Press the BACK button to end setting the option except where not in step 4 the state in step 1 is restored Option Settings Setting Operation Function TONER SENSOR ENABLE Enables detection Enables or disables toner sensor operation DISABL...

Page 145: ... stand alone basis C830 can perform the following printing on a stand alone basis Settings Prints information including printer menu settings program versions and control block configuration Network Prints network related information including a MAC address and IP address Demo page Prints demo pages File list Prints a list of files stored in a file system PostScript font list Prints a PostScript f...

Page 146: ...are enabled 1 BACK ONLINE and CANCEL buttons Start a CU program starting no objects added for example in the download mode 2 MENU up arrow MENU down arrow and HELP buttons Start the System Maintenance menu 3 BACK MENU down arrow and ENTER buttons Ignoring all warnings and errors start the printer always placing it to an online mode 4 ONLINE button Starts the printer placing it to a mode dedicated ...

Page 147: ...ter s the SAP serial number excluding the revision number The following describes the adjustments necessary after part replacement Replaced part Adjustment LED head Note Not necessary Drum cartridge yellow magenta cyan or black Not necessary Fuser unit Not necessary Belt unit Not necessary PU board Copying information stored in EEPROM which requires utility software CU board EEPROM replacement whi...

Page 148: ...it Magenta Image Drum Unit Cyan Each the life count of the image drum unit associated with this option A value converted on an A4 page basis from the number of pages printed to date after installation of the image drum unit associated with this option Total Sheets Fed A printer life count The total number of sheets fed Prints Black Prints Yellow Print Magenta Prints Cyan Each the number of pages p...

Page 149: ...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 up arrow or MENU down arrow button more than one time Press the ENTER button when Calibration appears 2 Press the MENU up arrow or MENU down arrow button to select Adjust Density Execute Press the ENTER button 3 Press the ENTER butto...

Page 150: ...e transmission speed Soft Reset Enable Disable Sets whether to enable the Soft Reset command Offline Receive Enable Disable Sets whether to enable or disable the functionality that maintain a state ready for reception without changing interface signals even when an alarm is issued Serial Number Enable Disable Sets whether to enable or disable the USB serial number Security Setup Job Limitation Off...

Page 151: ...eak Power Control Normal Low Sets the control of peak low power Power Save Enable Disable Sets whether to enable or disable the power save mode USB Host Power Off On Sets the USB host power supplied during the power save mode Language Setup Language Initialize Execute Erases the message file in the flash memory ...

Page 152: ...Oki Data CONFIDENTIAL 6 CLEANING 6 1 Cleaning 152 6 2 LED lens array cleaning 153 6 3 Pick up roller cleaning 155 ...

Page 153: ...IDENTIAL 6 CLEANING The inside and outside of C830 must be cleaned with a waste cloth and a handy vacuum cleaner when necessary Note Do not directly touch the image drum terminals LED lens array and the LED head connectors 6 1 Cleaning ...

Page 154: ...t print occurs LED head cleaning The LED heads must be cleaned when a white line or blurred text is printed 1 Shut down and turn off the printer the power switch to the OFF position White belt or line void or light print 2 Press the OPEN button and open the top cover Burn injury hazard Do not touch the fuser unit It is hot OPEN button SHUT DOWN RESTART button O I ...

Page 155: ...4 Oki Data CONFIDENTIAL 6 CLEANING 3 Lightly wipe the four LED head lens surfaces with soft tissue paper Note Solvents such as methyl alcohol or thinner damage the LED heads Do not use them 4 Close the top cover LED head ...

Page 156: ...sages occur clean the paper feed rollers and pad of the tray identified by the tray name in the message 1 Pull out the paper cassette of the tray being displayed 2 Wipe the paper feed rollers large and small with a cloth tightly wrung out with water 3 Wipe the pad of the paper cassette with a cloth tightly wrung out with water Note When frequent OPEN COVER PAPER JAM FRONT COVER messages occur clea...

Page 157: ...fore taking corrective action against abnormalities 157 7 3 Precautions when taking corrective action against abnormality 157 7 4 Preparation for troubleshooting 157 7 5 Troubleshooting method 158 7 6 Fuse check 230 7 7 Paper cassette switches versus Paper size correspondence table 231 7 8 Data protection kit A3 232 ...

Page 158: ...d or any foreign materials 2 Do not expose the OPC drum to the direct sunlight 3 The fuser unit will be hot Do not touch 4 Do not expose the image drum to any light for 5 minutes or longer under the normal room temperature 1 Is the usage environment of a printer normal 2 Are the consumable items toner drum cartridge replaced normally 3 Is the print media paper normal Refer to Specifications Paper ...

Page 159: ... in the second line Wait a Moment Network Initializing Off Off Indicates the network initialization is in progress Flash Memory Format Off Off Indicates that the flash memory formatting is in progress If a resident option flash memory that is not formatted yet is detected it is displayed when the menu item FLASH FORMAT is selected from MAINTENANCE MENU of the System Maintenance Menu Because the ab...

Page 160: ...s in progress Power Off On Program Data Writing OK Off Off Indicates that writing of the NIC program data for upgrading is in complete Panel display ON LINE lamp Inspec tion lamp Details Check Data Program Data Write Error DLCODE Off On Indicates that an error has occurred during writing of the NIC program data for upgrading DLCODE 1 Memory allocation error 2 Download file error 3 Device free spac...

Page 161: ...mark indicates no message in the upper row ON LINE lamp Inspec tion lamp Details Remedial measure Printing demo page Varies Varies Indicates that a printer is in the midst of printing demo page Printing setup contents Varies Varies Indicates that a printer is in the midst of printing menu map Network setting is being printed Varies Varies Indicates that a printer is in the midst of printing the ne...

Page 162: ... Varies Indicates that printing is stopped temporarily due to high temperature of a drum Alternately this message indicates that a printer is in the standby state waiting for the thermal cooling down when switching paper size from narrow to wide Panel display The mark indicates no message in the upper row ON LINE lamp Inspec tion lamp Details Remedial measure In the power save mode Varies Varies I...

Page 163: ...inued until TONER EMPTY If the menu has been set as follows ADMIN MENU SYSTEM CONFIG MENU NEAR LIFE LED DISABLE the inspection LED turns off COLOR Yellow Magenta Cyan Black Panel display The mark indicates no message in the upper row ON LINE lamp Inspec tion lamp Details Remedial measure COLOR Waste toner is full Replace the toner Varies On This warning is displayed when the cover is Opened Closed...

Page 164: ...user Life error has been issued Replace the fuser with the new fuser Panel display The mark indicates no message in the upper row ON LINE lamp Inspec tion lamp Details Remedial measure Replace the belt Varies On Indicates that the transfer belt has reached end of life warning Warning only Life end error is not issued This status is displayed when the cover is Opened Closed after the transfer belt ...

Page 165: ...this error does not occur in the user environment Density Color Sensor Error Varies Varies Density correction color sensor error Because the PU firmware does not notice this status to the CU firmware in the Shipping Mode even when the PU firmware has detected this status this error does not occur in the user environment Panel display The mark indicates no message in the upper row ON LINE lamp Insp...

Page 166: ...nment n 2 Yellow 3 Magenta 4 Cyan Panel display The mark indicates no message in the upper row ON LINE lamp Inspec tion lamp Details Remedial measure Registration Sensor Error n Varies On Color registration correction sensor error Because the PU firmware does not notice this status to the CU firmware in the Shipping Mode even when the PU firmware has detected this status this error does not occur ...

Page 167: ...cates no message in the upper row ON LINE lamp Inspec tion lamp Details Remedial measure Aggregated log buffer is full Please press ONLINE button Varies On Aggregate Log Buffer is full The error is kept displaying till the ON LINE button is pressed Because color print restriction has been set monochrome printing is used Press the ONLINE button Varies On Because color print restriction has been set...

Page 168: ...Y Replace the HDD No remedial action is required when print such as authentication print is not used Panel display The mark indicates no message in the upper row ON LINE lamp Inspec tion lamp Details Remedial measure Invalid authentication print data has been received Press the ON LINE button Varies Varies Because invalid authentication print data has been received the data is deleted Invalid data...

Page 169: ... on line help Off Blink Indicates unmatch between the media type in the tray and the print data occurs Prompt user to insert paper in the tray Error 460 Multipurpose tray Unit of paper size in the Custom mode follows the unit specified display unit menu setting of the MP tray unless otherwise specified by driver If unit of paper size is specified by driver it is displayed in units specified by dri...

Page 170: ...Tray 1 Error 492 Tray 2 Error 493 Tray 3 Unit of paper size in the Custom mode follows the unit specified by menu unless otherwise specified by driver If unit of paper size is specified by driver it is displayed in units specified by driver Error 491 492 493 Display on operator panel ON LINE lamp Inspec tion lamp Contents Code nnn Set in paper Multi purpose Tray MEDIA_SIZE Press the ONLINE button ...

Page 171: ...or panel ON LINE lamp Inspec tion lamp Contents Code nnn Toner cartridge for other company s printer use is in the printer COLOR For details please see Help Off Blink Indicates that it is not the Toner cartridge for the use of this printer It recovers by changing the Toner cartridge for the use of this printer Error 620 Yellow Error 621 Magenta Error 622 Cyan Error 623 Black Error 620 621 622 623 ...

Page 172: ...ing feeding paper from the this tray Error 391 Tray 1 Error 392 Tray 2 Error 393 Tray 3 Error 391 392 393 Open the cover Paper jammed Front cover For details please see Help Off Blink Indicates that jam has occurred in the paper path Error 380 Feed Error 380 Display on operator panel ON LINE lamp Inspec tion lamp Contents Code nnn Open the cover Paper jammed Front cover For details please see Help...

Page 173: ...r cartridge Error 544 Yellow Error 545 Magenta Error 546 Cyan Error 547 Black Error 544 545 546 547 Reset the image drum COLOR For details please see Help Off Blink Indicates that the image drum is not installed correctly Error 340 Yellow Error 341 Magenta Error 342 Cyan Error 343 Black Error 340 341 342 343 Display on operator panel ON LINE lamp Inspec tion lamp Contents Code nnn Reset the fuser ...

Page 174: ...tarted by pressing the BACK button for more than 4 seconds upon completion of printer initialization process Error Shutdown is completed Shut off the Electric power or reboot it by restart button Off Off Indicates that the shut down process of a printer is complete The LCD backlight turns off Error Shut off the Electric power and wait for a while 126 The printer is condensing Off Blink Dew condens...

Page 175: ...r and back on Replace the CU board Contact the Service center 041 Error CU Flash Error Flash ROM Error on the CU board Does the error display recur Yes Turn off the power of the printer and back on Replace the CU board Display Cause Error details Remedial measure Contact the Service center 042 Error 043 Error 045 Error Flash File System Error Failed to access to the Flash ROM that is directly sold...

Page 176: ... Yes No Yes Check for sure connection of the fan connector Replace the PU board Replace the fan motor Replace the PU board Display Cause Error details Remedial measure Contact the Service center 123 Error Environment humidity is abnormal Humidity sensor is not connected Does this error recur Yes Turn off the power of the printer and back on Replace the control panel board Contact the Service cente...

Page 177: ...ror Is the error message displayed Does this error recur Yes Turn on the power again After leaving the printer for 30 minutes turn on the power again Contact the Service center 168 Error Compensation Thermistor Error Is the error message displayed Does this error recur Yes Turn on the power again After leaving the printer for 30 minutes turn on the power again Display Cause Error details Remedial ...

Page 178: ...ce error Does this error recur Yes Yes Check the normal connection of RFID R W board Replace the RFID R W board Replace the P6X board Display Cause Error details Remedial measure Contact the Service center 231 error RFID reader I F error Interface error with the RFID reader is detected 01 Communication error between the RFID reader and the engine circuit boards 02 Error in the wireless circuit of ...

Page 179: ... Check if the fuser is installed normally or not Replace the fuser Replace the fuser motor Contact the Service center 980 error Media wrapped around the fuser error Media has wrapped around the fuser Turn off the power Replace the fuser Contact the Service center 983 error Error due to Detection of the Toner cartridges of the same color Two or more toner cartridges of the same color are detected I...

Page 180: ...inter 199 7 3 Paper unloading jam occurs in the middle of paper running path 199 8 Two sided printing jam error code 370 371 372 373 383 200 8 1 Two sided printing jam occurs immediately after the power is turned on 200 8 2 Two sided printing jam occurs during taking in the paper into Duplex unit 200 8 3 Two sided printing jam occurs in the process of reversing paper 201 8 4 Two sided printing jam...

Page 181: ... or not Check the CU board side in the same way Replace the low voltage power supply Note Note If the PU board the CU board and the low voltage power unit are connected one another differently from the picture given below it is regarded as an abnormal and the output from the low voltage power unit stops When the output from the low voltage power unit stops turn off the power switch wait about one ...

Page 182: ...Connection condition of the PU board and CU board Check the connection condition of the CU IF connector of the PU board and check that of the FFC connector of the CU board Connect the FFC normally 1 2 3 Implement version upgrade of the PU firmware Version upgrade of the PU firmware When the PU firmware version upgrade is completed this display appears Check the PU firmware version number by using ...

Page 183: ...Any operation of a printer will not start until the Operator Panel is detected and is started of its operation Follow the contents of 1 1 2 2 Abnormal sound is heard Check item Check work Action to be taken at NG 2 2 1 Check loss of synchronization of motor Driver error Operating conditions of the respective motors Check if operations of the respective motors are normal or not by using the self di...

Page 184: ...nd PU boards Remove the CU and PU board and inspect the installation conditions of the partition plate by visual inspection If they are not hooked on the normal specified positions correct them 2 3 Bad odors are generated Check item Check work Action to be taken at NG 2 3 1 Locating the exact position of generating bad odor Fuser unit Remove the fuser unit and check the odor Implement section 2 3 ...

Page 185: ...P R sensor Fuser IN sensor DUP F sensor EXIT sensor J4 373 MULTIFEED IN DUPLEX UNIT J2 371 DUPLEX INPUT J11 392 TRAy2 J10 391 TRAy1 J3 372 MISS FEED AT DUPLEX J9 390 MISS FEED AT FRONTFEEDER J6 381 TRANSPORT J5 380 FEED J12 400 PAPER SIZE ERROR 3rd IN sensor J14 393 TRAy3 J13 385 Around Fuser Unit Message to be displayed Reference page Pull the tray Paper Jam Tray Name Page 185 Pull the tray Paper...

Page 186: ...DURE Pull the tray Paper Jam Tray Name Pull the tray Paper Remains Tray Name When the above messages are displayed Tray1 is applied here as an example 1 Pull the displayed tray 2 Remove paper 3 Return the tray to the printer 4 Open and close the top cover OPEN button ...

Page 187: ... Remains Front Cover When the above messages are displayed 1 Open the multipurpose tray 2 Push up the center handle blue to open the front cover 3 Slowly pull out the jammed paper If you see the top edge of paper If you do not see the top edge of paper 4 Close the front cover 5 Close the multipurpose tray Front cover Front cover ...

Page 188: ...p Cover When the above messages are displayed 1 Open the top cover 2 Touch the screw with a hand to discharge static 3 Uninstall the four image drum cartridges and put them on a flat table 4 Cover the uninstalled image drum cartridges with black paper 5 a If you see the top edge of paper pull out the jammed paper slowly OPEN button Screw ...

Page 189: ...ront side remove the fuser unit Pull up the jammed release level 2 levels and then pull out the jammed paper to the front side Holding up the handle and return the fuser unit to the printer gently Bending the fixed level Blue of the fuser unit to the backside and fix it Jam release level of fuser unit Handle Fixed level of fuser unit Blue Fixed level of fuser unit Blue Handle b If you do not see t...

Page 190: ...44015503TH Rev 1 189 Oki Data CONFIDENTIAL 7 TROUBLESHOOTING PROCEDURE 6 Set four image drums in the printer 7 Close the top cover ...

Page 191: ...er by closing the duplex print unit cover the paper is automatically rejected 3 Close the duplex print unit cover Jam release lever Duplex print unit cover Duplex print unit cover If the jammed paper cannot be rejected even close the duplex print unit cover remove the Duplex print unit from the printer and check whether paper remains in the duplex print unit Note If remove the duplex print unit th...

Page 192: ...supplied to the front sensor board RSF PCB Check the 5V power at the FSNS connector of the front sensor board RSF PCB Pin 1 5V power supply Pin 5 0VL Replace the connection cable 3 2 Jam occurs immediately after the paper feed is started 1st tray Check item Check work Action to be taken at NG 3 2 1 Check condition of the paper running path Paper running path of the front unit Check if paper is jam...

Page 193: ...tion check Paper feed solenoid Confirm that the paper feed solenoid works normally by using the Motor Clutch Test of the self diagnostic mode Remove the metal plate from the right side of a printer so that the solenoid becomes visible Then check operation of the solenoid Replace the PU board or replace the paper feed solenoid Paper feed solenoid Check that any obstacle does not exist that hampers ...

Page 194: ... Pin 3 Paper entrance sensor 2 Pin 2 WR sensor Confirm that the above signal levels change when the sensor lever is operated Replace the front sensor board RSF PCB Check the power voltages supplied to the front sensor board RSF PCB Check the 5V power at the FSNS connector of the front sensor board RSF PCB Pin 1 5V power supply Pin 5 0VL Replace the connection cable 4 2 Jam occurs immediately after...

Page 195: ...that the above signal levels change when the sensor lever is operated Replace the front sensor board RSF PCB Check the power voltages supplied to the front sensor board RSF PCB Check the 5V power at the CN connector of the front sensor board RSF PCB Pin 1 5V power supply Pin 5 0VL Replace the connection cable Check item Check work Action to be taken at NG 4 2 4 Check the system connection Paper fe...

Page 196: ...any foreign materials such as paper dust on the surface of the feed roller or of the pickup roller or not Remove the foreign material Check if the feed roller has worn out or not Replace the feed roller Check item Check work Action to be taken at NG 5 2 3 Motor operation check Paper feed motor Confirm that the paper feed motor works normally by using the Motor Clutch Test of the self diagnostic mo...

Page 197: ...n cable 6 2 Jam occurs immediately after a paper is taken into printer Check item Check work Action to be taken at NG 6 2 1 Check condition of the paper running path Paper running path on the belt Remove the ID unit and check if paper is jammed or not in the paper running path Remove the jammed paper 6 2 2 Check condition of the mechanical parts Check the sensor lever of the WR sensor Check if sha...

Page 198: ...aper feed motor belt motor ID Up motor Remove the respective connectors from the board and confirm that the following resistance exists between the corresponding pins at the cable side PU board HOPSIZE connector 1 Between pin 1 pin 2 Approx 3 4Ω or approx 5Ω Between pin 3 pin 4 Approx 3 4Ω or approx 5Ω PU board BELT ID UP connector 3 Between pin 1 pin 2 Approx 6 1Ω or approx 3 5Ω Between pin 3 pin...

Page 199: ...r running path Paper running path of the paper unloading unit Check if paper is jammed or not in the paper running path Remove the jammed paper 7 1 2 Check condition of the mechanical parts Check the sensor lever of the paper exit sensor Check if shape and movement of the sensor levers have any abnormality or not Replace the sensor lever with the good sensor lever 7 1 3 Check condition of electric...

Page 200: ...r Check if shape and movement of the sensor levers have any abnormality or not Replace the sensor lever with the good sensor lever 7 2 3 Motor operation check Fuser motor Confirm that the fuser motor works normally by using the Motor Clutch Test of the self diagnostic mode Check if any load exists or not Replace the PU board or fuser motor or fuser unit If any attempt of using new fuser unit as a ...

Page 201: ...G 8 2 1 Solenoid operation check Duplex solenoid Confirm that the Duplex solenoid works normally by using the Motor Clutch Test of the self diagnostic mode Replace the V7Y board or solenoid Separator DUP Paper unloading DUP paper taking in switching gate located immediately after the fuser unit Check visually movement of the gate by using the Motor Clutch Test of the self diagnostic mode EXIT SOLE...

Page 202: ...d printing jam occurs during transporting paper inside the Duplex unit Check item Check work Action to be taken at NG 8 4 1 Sensor lever operation check Dup R Dup F sensor lever Remove the Duplex unit and check movement of the sensor lever Replace the sensor lever 8 4 2 Sensor check Check the detection condition of the sensor signal Confirm that the sensor signals are normally detected by using th...

Page 203: ...nical load during the Up movement Mechanical load during installation and removal of the ID unit Check if abnormal heavy load is applied when removing the ID unit IReplace the ID unit or replace the right left side plate If any attempt of using new ID unit as a trial is going to be made be sure to use the System Maintenance Menu FUSE KEEP MODE Greasing to the right and left Up Down link levers Che...

Page 204: ...the power is turned on Check item Check work Action to be taken at NG 11 1 1 Thermistor is defective Note Upper thermistor lower thermistor frame thermistor Check the respective thermistors if they are shorted or opened internally Check the resistance value at the connector pins in the bottom of the fuser unit Refer to section 8 1 Resistance check fuser unit Replace the fuser unit If any attempt o...

Page 205: ...eater ON signal that is output from PU to the low voltage power supply Check that the heater ON signal goes active at the warming up timing or not L active while ON Power connector of the PU board between pin 11 and pin 12 Replace the PU board 7 5 2 12 Motor fan error error code 122 127 128 918 051 12 1 The low voltage power supply fan does not rotate immediately after the power is turned on Check...

Page 206: ...1 1 Duplex board Duplex unit Check if the Duplex unit of C830 specification is being used or not Replace the Duplex unit 14 1 2 Check the system connection Check the system connection from the PU board to the Duplex board V7Y PCB Check that the cable between the PU board option connector to the Duplex board is normally connected Correct the connections Square connector connecting the Duplex unit t...

Page 207: ... signal that is output from the PU board to the option tray board V7Y PCB Check the control signal that is output from the PU board option connector Pin 5 TXD PU 2nd Pin 3 RXD 2nd PU Replace the PU board 7 5 2 15 LED head cannot be recognized error code 131 132 133 134 15 1 Service call 131 to 134 LED HEAD Missing Check item Check work Action to be taken at NG 15 1 1 Check the system connection Co...

Page 208: ... from the sensor 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 Operator Panel display shows L When the paper is moved so that any light is not reflected by the paper so that the incident light does not reach the toner sensor H is displayed on the Operator Panel 5 If ...

Page 209: ...self diagnostic mode Check if any extra load exists or not Replace the PU board or the ID motor 7 5 2 17 Fuse cut error error codes 150 to 155 17 1 Fuse cut error Check item Check work Action to be taken at NG 17 1 1 Check the system connection FFC connecting the PU board and the toner sensor board PRZ PCB Check if the connector is connected in the half way only or not and is inserted in a slanted...

Page 210: ...rcuit with VOM Check that peeling off of sheath does not occur in any cables by visual inspection Replace the FFC with the normal FFC Check item Check work Action to be taken at NG 18 1 2 Environment condition Sharp change of environment condition Is the environment condition changed sharply from a low temperature environment to a high environment condition within a short time Example is such a ca...

Page 211: ...oltage power supply AC CN2 CU board TB2 POWER Toner Low sensor Toner Low sensor Toner Low sensor Toner Low sensor Board PRZ Fuser motor DC Belt motor ID up motor ID motor DC RELAY PU board DCID BELT DCHEAT RFID HVOLT PUIF FUSER EXIT DENS LCR RCR FUSER UNIT Board P6Y Color registration sensor Board PRC Temperature sensor EXIT sensor RFID Antenna Board POL Cover open switch Internal temperature ther...

Page 212: ...efer to Figure 7 2 B 213 2 1 Stain on white print Partial stain 213 2 2 Stain on white print overall stain 213 3 White print Refer to Figure 7 2 C 214 3 1 White print over entire page 214 4 Black banding black streaking in vertical direction 215 4 1 Thin vertical line with color Refer to Figure 7 2 D 215 4 2 Thin vertical line without color Refer to Figure 7 2 F 215 5 Cyclic abnormality Refer to F...

Page 213: ... tension springs are normally installed Correct for normal condition 1 1 3 Print media Media type Check to see that the print media which is used for printing is not a specially thick media Use the normal paper 1 1 4 High voltage terminal ID unit terminal ICheck that the high voltage terminal of the ID unit is contacting with the Contact Assembly normally by visual inspection Refer to Figure 7 3 I...

Page 214: ...user unit Check if the offset toner of the previous printing is left adhered on the fuser unit or not by visual inspection Repeat blind printing using unwanted media until offset toner is created on print media Alternately replace the fuser unit If any attempt of using new fuser unit as a trial is going to be made be sure to use the System Maintenance Menu FUSE KEEP MODE 2 2 Stain on white print o...

Page 215: ... LED head Connecting condition of the LED head Check that the LED head is normally connected Replace the LED head Drum shaft Check that the drum shaft keeps contacting with the right and left side plates normally Replace the ID unit If any attempt of using new ID unit as a trial is going to be made be sure to use the System Maintenance Menu FUSE KEEP MODE F506 fuse on the CU board Measure resistan...

Page 216: ...ad Remove the foreign material 4 2 2 Condition of paper running path Paper running path Check that any burr that may scatter the un fused toner on the paper running path does not exist Remove the burr 7 5 3 5 Cyclic abnormality Refer to Figure 7 2 E 5 1 Cyclic abnormality occurs in vertical direction Check item Check work Action to be taken at NG 5 1 1 Cycle Image drum Check that the cycle is 94 3...

Page 217: ...h Check if any obstacle exists in the paper feeding path that hampers smooth paper run Remove the obstacle 7 5 3 7 Entirely black print 7 1 All black print over entire page Check item Check work Action to be taken at NG 7 1 1 High voltage contacting condition CH terminal Check that the terminal coming from the printer body contacts with the high voltage terminal that is located on the left side of...

Page 218: ... monochrome print it does not being printed 8 1 Setting by mistake of the specific color print menu Check item Check work Action to be taken at NG 8 1 1 Status of specific color print menu Boot Menu item Check if the set value item of Process Setup of Boot Menu is the setting of Full Color About Boot Menu refer to Section 5 6 Setting alteration for Full Color ...

Page 219: ... mask and gateway address normally 5 Check the Utilities Check setting of the OKI LPR Utilities Check the setting items of the OKI LPR Utilities Set the OKI LPR Utilities setting items correctly 6 Check the following from an OS standard port Confirm the standard LPR port of the WINDOWS standard NT 2000 XP Set the standard LPR port of the WINDOWS standard NT 2000 XP and confirm if printing can be p...

Page 220: ...ted yet The same screen is displayed when failed to create certificate Solution Create certificate by referring to the User s Manual Advanced edition 7 5 4 1 2 Is the SSL TLS setting set to ON Log on in as the administrator and select Security Encryption SSL TLS If the following screen is displayed certificate has already been created but the SSL TLS setting is turned OFF Before creating certifica...

Page 221: ...ecome possible sometimes when the encryption strength is set to Weak If the encryption strength is set to Weak security level lowers To change the encryption strength refer to section 7 5 4 1 4 Confirm encryption strength of a printer For Netscape Launch the web browser and select HELP Netscape Recommended version is Netscape 6 and higher Solution Install the newest web browser If any version that...

Page 222: ...cannot establish communication with the printer in which the encryption strength is not set to Standard Either upgrade the browser until it supports 128 bits high encryption or set the printer encryption strength to Weak Change encryption strength with AdminManager 1 Launch AdminManager and select by highlighting a desired printer from the printer list 2 Press the Oki Device Setup button or altern...

Page 223: ...6 Set the Encryption Strength to Weak and press the Apply button 7 Check the setup contents and press OK 9 If the printer is displayed in the printer list the setup is complete with success 8 A message prompting your confirmation will be displayed Click Yes NIC reboots in order to reflect the setup value ...

Page 224: ...mains in the default setting To change the encryption strength Telnet must be set to Enable Select the command prompt DOS prompt and enter Telnet printer IP address and press Return Establish connected using administrator user name and password Select the menus in this order 4 Security Config 5 Cipher SSL TLS 2 Cipher Strength Then change the cipher strength as desired 1 Strong 2 Standard 3 Weak ...

Page 225: ...system of a printer is not supported by the browser Compatibility problem The OS does not support the IPP encrypted printing Refer to section 7 5 4 2 1 Check OS Operating System IPP encrypted printer is not created yet Refer to section 7 5 4 2 2 Is the Printer created IPP setup of the Printer is not Enabled Refer to section 7 5 4 2 3 Is the IPP setting set to Enabled 7 5 4 2 1 Check OS Operating S...

Page 226: ...er has changed the IP address of a printer to other IP address than the IP address during creation of CSR Refer to section 7 5 4 4 1 IP address of the printer has been changed Network card is initialized while user is applying issuance of certification to certifying authority i e in the state of Waiting for Installation of Certificate Refer to section 7 5 4 4 2 Network card is initialized Deletion...

Page 227: ...cation authorities use the procedure of installing the SSL server Certificate printer Certificate and the intermediate Certificate into printer as the same time However printer of this model supports installation of only a single Certificate intermediate Certificate cannot be installed in printer Be sure to install the SSL server Certificate in printer When installation of intermediate Certificate...

Page 228: ... If SSL TLS is turned ON again the Certificate becomes usable 7 5 4 5 5 Want to change the port number Answer The port number during the SSL TLS communication is fixed to 443 It cannot be changed 7 5 4 5 6 The error message The security certificate was issued by a company you have not chosen to trust View the certificate to determine whether you want to trust the certifying authority is displayed ...

Page 229: ...ertificate store based on the types of certificate Then the Certificate will be installed automatically 7 5 4 5 7 The error message Name of security certificate is invalid or does not match the site name is displayed It means that the IP address of printer is different from the IP address that is described on certificate or from the IP address when the certificate is created Solution Return the IP...

Page 230: ...ficate When SSL is made valid by self sign certificate the following picture is obtained when web page is accessed and page will not be displayed Web display when SSL is made valid by self sign certificate Solution When Continue browsing this site not recommended is clicked on the warning screen the web page will be displayed However it has no effect on the web page function It can be used for bro...

Page 231: ...ower supply shut down PU board 5V F3 ID UP DOWN error Service call 142 Belt motor ID UP DOWN motor 24V F4 Cover open High voltage power supply board ID cooling fan fuser fan 24V F5 Service call 122 Power supply fan feed solenoid feed motor 24V High voltage power supply board IP901 Cover open High voltage 24V IP902 Service call 121 High voltage 5V CU board F506 Service call 131 to 134 error All whi...

Page 232: ...F A4 SEF A4 SEF L H L L A5 SEF A5 SEF A5 SEF A5 SEF L H H L LTR LEF LTR LEF LTR LEF LTR LEF H H H L Tabloid Tabloid LTR SEF LTR SEF H L H L B5 LEF B5 LEF Tabloid Tabloid H L H H B4 B4 LEGAL LEGAL L L L H A4 SEF A4 SEF EXEC EXEC L L H L A3 A3 A3 A3 L L H H Reserved Reserved Reserved Reserved L H L H Reserved Reserved Reserved Reserved H H L H Reserved Reserved Reserved Reserved H L L H Reserved Res...

Page 233: ...tolen Method The conversion board in which encryption chip is installed is inserted in between the CU board and HDD Connected chart 7 8 Data protection kit A3 Assembled state of Data protection kit A3 Shape of metal plate is different from HDD unit of C5900 Thickness and others are different HDD in which board is installed Top panel Rear panel Connector for connecting HDD Sealed encryption chip Co...

Page 234: ... 254 has occurred CU board related error Step 1 Does the printer work normally when the CU board is replaced by the maintenance CU board Be sure to use EEPROM of the maintenance board Note 1 Do not install the data protection kit A3 Yes No Analysis is not possible Replace the printer Step 2 Does the printer start up normally when the user s data protection kit A3 is installed No Yes Maintenance is...

Page 235: ...ection kit A3 after replacing should be collected by either of the following methods 1 Disassemble the kit and deliver only HDD storing user secret data to a user 2 Take any measures to prevent information leak Note4 When the CU board is replaced the printer cannot be used without the specified HDD because the user s CU board has been linked to the specific HDD Error processing flow when error 251...

Page 236: ...e the kit and deliver only HDD storing user secret data to a user 2 Take any measures to prevent information leak Note4 When the CU board is replaced the printer cannot be used without the specified HDD because the user s CU board has been linked to the specific HDD If the printer does not start up normally while showing communication error and LCD does not show any display Step 1 Perform processi...

Page 237: ...Oki Data CONFIDENTIAL 8 CONNECTION DIAGRAMS 8 1 Resistance value check 237 8 2 Parts location 241 8 3 F W version number 251 ...

Page 238: ...ms 8 1 Resistance value check Unit Electrical circuit diagram connection Part outside view Resistance value Transport belt motor Red Blown yellow Blue M 1 2 3 4 Between pin 1 and pin 2 3 4Ω Between pin 3 and pin 4 3 4Ω ID motor F1 Across both ends of F1 1Ω or less ...

Page 239: ...L 8 Connection diagrams Unit Electrical circuit diagram connection Part outside view Resistance value ID up down motor M 1 2 3 4 Between pin 1 and pin 2 6 1Ω Between pin 3 and pin 4 6 1Ω Fuser unit motor IP1 Across both ends of IP1 1Ω or less ...

Page 240: ...nnection Part outside view Resistance value Feed motor M 1 2 3 4 Between pin 1 and pin 2 3 4Ω Between pin 3 and pin 4 3 4Ω Both sided print motor M 1 2 3 4 Between pin 1 and pin 2 2 4Ω Between pin 3 and pin 4 2 4Ω 2nd tray feed motor M 1 2 3 4 Between pin 1 and pin 2 3 4Ω Between pin 3 and pin 4 3 4Ω ...

Page 241: ...312 Upper center thermistor PM9 342 Lower thermistor PT5 312 Fuse for revision 3 1 2 4 Thermostat 13P RWZv K4GG P4 13P RWZv K4GG P4 CZHR 07v S CZHR 06v S 13P RWZv K4GG P4 1 2 4 3 B6 A7 B1 A1 Upper center thermisor Between pins A 6 and A 7 Approx 8058kΩ to 5338kΩ 0 to 93 C Upper side thermisor Between pins A 2 and A 3 Approx 104 5kΩ to 806 5kΩ 0 to 43 C Lower thermisor Between pins B 5 and B 6 Appr...

Page 242: ...BELT OPTION C22 R71 F3 F2 R64 R98 Q6 Q3 R75 D2 Q10 Q4 POWFAN HSOL D4 R65 FANSOL D16 POWLED1 HOPIDUP SIZE R96 R94R92 R97 R95R93 Q5 R61 Q13 R15 R21 R14 R20 R2 IC1 IC2 R3 C3 C4 IC3 IC4 OSC1 R81 R80 R12 R11 R10 R17 R8 C5 R16 C20 R31 C43 C41 R28 C42 R69 13 14 1 2 21 22 1 2 RFID R6 1 5 C44 CP2 1 17 16 CUIF ARMORED FM1 R33 R100 R101 R32 R60 R59 R58 RM8 D13 D14 D15 R90 C21 OPAMP1 Q2 Q9 CP4 D3 DCHEAT RELAY...

Page 243: ...T503 FET502 FET501 R593 C554 C546 R584 R567 C541 R559 C535 R560 R519 R520 R518 R522 R524 R525 R538 R523 R599 C555 C549 C548 R569 C550 R585 C542 C551 R587 C547 R588 Q502 Q501 R643 R642 R566 R597 Q510 Q509 D509 D510 R639 R638 R517 R645 R616 R536 R515 C570 R641 C520 C528 C527 BF504 BF503 R598 R633 R632 R627 R539 R640 R623 R624 C569 R545 C534 C533 R570 Q504 D508 RM503 Q503 R629 R628 R631 R630 C532 R54...

Page 244: ... 1 34 20 10 AP A A K AP CBG1 CDBG1 R24 R25 R9 R10 R12 R13 R14 R15 R170 R19 R20 R23 R22 R171 C79 PAD12V R37 R38 R39 R40 MPUZA2 C11 C12 RM80 R55 R56 R57 R58 C35 RM82 RM32 RM48 RM31 RM30 RM29 RM28 RM27 RM26 RM25 RM24 RM23 RM22 RM21 RM20 RM19 RM47 RM46 RM45 RM44 RM43 RM42 RM41 RM40 RM39 RM38 RM37 RM36 RM35 RM34 RM33 RM59 RM60 R34 C106 C102 C101 C103 C104 C105 2 1 67 68 SCLK1 CIF2 20 48 25 1 24 48 25 1...

Page 245: ...4 R736 C831 R739 R740 R741 R742 R720 C814 R719 R721 R608 R631 R529 R649 RM521 RM516 RM517 RM520 RM531 RM532 RM546 C760 RM550 RM561 RM566 RM552 RM560 RM567 RM571 RM570 R707 R710 R700 R703 R702 R706 RM553 RM577 RM579 RM574 RM576 RM580 RM584 R778 R776 R773 C833 C836 C835 C821 C820 C819 C818 C817 C775 C777 C720 C719 C644 C650 C633 C615 C611 C591 F501 C913 C912 C643 C642 C776 SDRAM4 IGTD501 C841 C832 C...

Page 246: ...v 1 245 Oki Data CONFIDENTIAL 8 Connection diagrams 3 Rellay PCB P6Y PCB Component side Soldering side LCR CP1 CP2 DENS RCR 4 1 FUSERIN 3 1 5 1 4 1 J2 J3 10 1 21 1 FUSER PUIF 1 6 EXIT J1 J4 J7 C1 J6 J5 BFUSE BFUCUT ...

Page 247: ... D505 D506 D504 J506 R518 R526 C503 R514 R515 J502 R507 J518 R520 R508 R509 R510 J504 IC501 C535 J524 R580 C534 R577 C533 R579 J523 J516 R575 R559 C532 R576 R558 R574 R573 R572 R517 J522 R571 R519 R516 J521 J519 R534 Q502 TR502 J514 R557 R553 R555 R554 D510 FET502 R541 R542 R544 R543 R578 IC502 R569 R568 R567 R566 C508 C506 C505 J513 C514 C509 R527 IC503 R533 R532 R549 R551 C522 R565 R564 J512 R56...

Page 248: ...7 D505 D506 D504 J506 R518 R526 C503 R514 R515 J502 R507 J518 R520 R508 R509 R510 J504 IC501 C535 J524 R580 C534 R577 C533 R579 J523 J516 R575 R559 C532 R576 R558 R574 R573 R572 R517 J522 R571 R519 R516 J521 J519 R534 Q502 TR502 J514 R557 R553 R555 R554 C519 C518 C517 C516 D510 FET502 R541 R542 R544 R543 R578 IC502 R569 R568 R567 R566 C508 C506 C505 J513 C514 C509 R527 IC503 R533 R532 R549 R551 C5...

Page 249: ...C511 J526 J534 J536 R514 J509 J513 J559 J510 J511 J557 J515 J558 R505 R506 R507 R508 R513 J523 R512 J528 J527 J537 R518 C506 R516 J561 C520 OSC CPU J525 J530 J524 J529 J538 R517 C509 C508 J543 J545 J544 R529 J553 R533 J555 J554 R523 R524 R525 R527 J547 J551 J552 J556 R534 R531 TR501 TR502 TR503 J548 J549 J550 J521 J546 J542 J541 C519 C518 C517 C516 C515 C514 C513 C512 J535 J532 J531 J533 C510 J540...

Page 250: ...mounted 230v system shorting plug is not mounted Short circuit plug for CN6 To fuser unit I F connector 8 Connection diagrams 8 Entrance Sensor PCB RSF PCB WR IN2 I N 1 CN R1 R2 5 1 9 Color Adjustment Sensor PCB PRC PCB 10 High Voltage Power Supply PCB CN4 CN2 CN3 CN1 TR K TR M TR y TR C SNS CN C E A K 11 Low Voltage Power Supply PCB ...

Page 251: ... diagrams 12 ID unit Fuse Contactor point ID unit ID unit for consumable parts Contactor point Toner Low Sensor PCB PRZ PCB 13 Transfer belt unit Fuse Transfer belt unit for consumable parts Transfer belt unit Relay PCB Contactor point Contactor point Fuse ...

Page 252: ...7 31 V1 02 1 01 01 W1 01 1 01 00 2 1st lot Loader cannot be rewritten 8 3 2 ROM version check and display 1 Perform the menu map printing and confirm that the F W version number has been upgraded 2 Fill out the ROM label that is attached to the location shown below in accordance with the downloaded F W version number 1 4 2 5 3 PCB TB2 Revision number label position Revision number label details 1 ...

Page 253: ...1 LED9 LED8 LED7 LED6 LED5 LED4 IC_VREF GND1 DLMODE MMB CP12 CP11 C C 1 C161 C160 C154 C73 C72 C71 C70 C69 C68 C67 C66 C63 C62 C61 C58 C9 2 5V_2 3 4 2 0 A K A A 42 40 41 39 2 1 4 3 7 9 3 7 T B N 1 2 Specified stamping location Series No Maintenance Board Series No Board TB2 YU Series No Use 01 437937 41 TB2 4 43778804 JPN_PX746PDL 02 437937 42 TB2 4 43778804 ODA_PX746PDL 03 437937 43 TB2 4 4377880...

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