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44951501TH Rev.2

7-27

Oki Data CONFIDENTIAL

7. TROUBLESHOOTING

Check item

Check operation

Actions for NG

results

(2-1-3) Connection-line check

Operator panel

connection

Check the same as (1-1).
The printer does not operate unless the
operator panel is detected and operated.

Follow (1-1).

(2-2) Abnormal sound is heard

Check item

Check operation

Actions for NG

results

(2-2-1) Motor step losing check (driver problem)

Each motor’s

operation

By using the self-diagnostic mode, check

each motor for proper operation by whether

the motor is loaded or not. The motor beeps

when improper.

Replace the

CU/PU board.

Motor cords

Check the wiring for each motor as follows:

Visually check for, or check for with a tester,

short circuiting.

Remove the motor cord from the board side,

and the resistance between each pin on the

side of the cord and the frame ground.

Replace the

motor cord.

Re-assemble

parts properly.

(2-2-2) Motor step losing check (consumable load problem)

Operating conditions
of the respective
motors

Check if operations of the respective motors are
normal or not by using the self-diagnostic mode.
Check if any load exists or not.
"Buzzer" sound when an error occurs.

Replace the
corresponding
consumable
item.
If any attempt
of using new
part as a trial
is going to
be made, be
sure to use
the System
Maintenance
Menu FUSE
KEEP MODE.

Check item

Check operation

Actions for NG

results

(2-2-3) Gear tooth disengagement check (consumable load problem)

Operating conditions
of the respective
motors

Check if operations of the respective motors are
normal or not by using the self-diagnostic mode.
Check if any load exists or not.
"Buzz buzz" sound is generated when an error
occurs.

Replace the
corresponding
consumable
item.
If any attempt
of using new
part as a trial
is going to
be made, be
sure to use
the System
Maintenance
Menu FUSE
KEEP MODE.

Installation condition
of each consumable
item

Check by visual inspection if the respective
consumable items are installed in their normal
positions in which gears of the consumable
items engage accurately or not.

Replace an
appropriate
mechanical part
as required, or
adjust or repair

(2-2-4) Cord routing check

Check the
installation
conditions of the
partition plate under
the CU and 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.

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Содержание C301

Страница 1: ...1 C331 C511 C531 Maintenance Manual This document is OKI DATA CONFIDENTIAL Only persons and parties authorised by OKI DATA have permissions to access this document This document should not be accessed by any parties without the approval of OKI DATA Anyone who is found to be contradicting the above may be subject to legal action ...

Страница 2: ...story Rev No Date Changed items Person in charge No Page Description of change 1 2012 04 26 Issue NME13 H Enomoto 2 2012 06 29 Addition of EDT series NME13 H Enomoto Rev No Date Changed items Person in charge No Page Description of change Document Revision History ...

Страница 3: ...e subject to changes without prior notice Despite that exhaustive efforts were made 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 repairs adjustment or modifications of the printers conducted by the users using this manual The parts employed in the C301dn C321dn C331dn C51...

Страница 4: ...er cable 3 10 3 5 3 Installation and recognition confirmation of an option 3 12 3 6 Printing of MenuMap 3 21 3 7 Connection methods 3 22 3 8 Checking of paper used by the user 3 24 4 REPLACEMENT OF PARTS 4 1 4 1 Notes on replacement of parts 4 2 4 2 Part replacement procedure 4 4 4 2 1 Belt unit 4 4 4 2 2 Fuser unit 4 5 4 2 3 Left side cover 4 5 4 2 4 Right side cover 4 6 4 2 5 Face up tray 4 6 4 ...

Страница 5: ... 7 67 7 5 4 2 3 Is the IPP setting set to Enable 7 67 7 5 4 3 A certificate cannot be created for C321 C331 C531 7 67 7 5 4 3 1 Not all the required entry fields are filled in 7 67 7 5 4 3 2 The printer is printing 7 68 7 5 4 4 A certificate cannot be installed for C321 C331 C531 7 68 7 5 4 4 1 The printer IP address has been changed 7 68 7 5 4 4 2 The network card has been initialized 7 68 7 5 4 ...

Страница 6: ...Oki Data CONFIDENTIAL 1 CONFIGURATION 1 1 System configuration 1 2 1 2 Printer configuration 1 3 1 3 Optional items 1 4 1 4 Specifications 1 5 1 5 Interface specifications 1 9 ...

Страница 7: ...㻼㻞㻜㻼㻞㻜㻼㻞㻜㻼㻲㻲㻯㻜㻡㻲㻲㻯㻜㻢㻲㻲㻯㻜㻣㻷㻌㻸㻱㻰㻌㻴㻱㻭㻰㻯㻌㻸㻱㻰㻌㻴㻱㻭㻰㻹㻌㻸㻱㻰㻌㻴㻱㻭㻰㼅㻌㻸㻱㻰㻌㻴㻱㻭㻰㻲㻳㻲㼕㼘㼙㻙㻲㻳㻲㻳㻼㼃㻾㻌㼡㼚㼕㼠㻙㻭㻯㻰㻯㻌㻿㼣㼕㼠㼏㼔㻌㻲㼁㻿㻱㻾㼘㼛㼣㼑㼞㻙㼠㼔㼡㼜㼜㼑㼞㻙㼠㼔㼒㼞㼍㼙㼑㻙㼠㼔㼀㼔㼑㼞㼙㼛㼟㼠㼍㼠㻥㻼㻵㼚㼘㼑㼠㻭㻯㻻㼡㼠㼘㼑㼠㻲㻳㼟㼕㼐㼑㻙㼠㼔㻠㻼㻠㻼㻝㻢㻼㻡㻼㻠㻼㻡㻼㻰㼞㼍㼣㼑㼞㻯㼛㼚㼚㼑㼏㼠㼛㼞㻟㻼㻔㻞㻕㻮㼘㼍㼏㼗㻤㻼㻠㻼㻠㻼㻟㻼㻤㻼㻤㻼㻰㻯㻴㻱㻭㼀㻹㼛㼠㼛㼞㻤㻼㻠㻼㻮㼑㼘㼠㻹㼛㼠㼛㼞㻠㻼㻯㼘㼡㼠㼏㼔㻔㻰㼡㼜㻕㻞㻼㻼㻜㻝㻼㻜㻡㻼㻜㻢㻼㻜㻣㻼㻜㻤㻼㻜㻥㻼㻝㻜㻼㻝㻞㻼㻝㻟㻼㻝㻠㻼㻝㻡㻼㻝㻢㻼㻝㻤㻲㻲㻯㻜㻝㻲㻲㻯㻜㻞㻲㻲㻯㻜㻟㻭㻜㻞㻭㻜㻟㻭㻜㻠㻭㻜㻡㻭㻜㻢㻭㻜㻝㻟㻼 ...

Страница 8: ...t of the C301dn C321dn C331dn C511dn and C531dn printers consists 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 shows the configuration of the printers Figure 1 2 ...

Страница 9: ...al items The following optional items are available for the C331dn C511dn and C531dn printers 1 Optional tray 2nd Tray except C301 and C321 2 Additional memory application to C321 C331 and C531 3 SD memory card C531 only authentication printing encrypted secure printing ...

Страница 10: ... 1 at 600 600 dpi or 600 1200 dpi Color 26 pages minute A4 size plain paper in copy mode 10 pages minute postcards and label stocks 12 pages minute 177g m2 152kg or more thick paper 14 pages minute duplex printing on A4 plain paper Monochrome 30 pages minute A4 plain paper in copy mode 10 pages minute postcards and label stocks 16 pages minute duplex printing on A4 plain paper Color 22 pages minut...

Страница 11: ... mode Less than 2 5W Off Mode Less than 0 5W Operating Max 1170W Average 480W 25 C Ready Average 90W 25 C Power save mode Less than 14W Sleep mode Less than 1 5W Off Mode Less than 0 5W Inrush current 70A or less 25 C Operating environment conditions Operating 10 to 32 C 20 to 80 RH max wet bulb temperature 25 C max wet and dry bulb temperature difference 2 C Non operating 0 to 43 C 10 to 90 RH ma...

Страница 12: ...USB supporting Hi Speed USB 100BASE TX 10BASE T Print speed 1 at 600 600 dpi or 600 1200 dpi Color 20 pages minute A4 size plain paper in copy mode 10 pages minute postcards and label stocks 12 pages minute 177g m2 152kg or more thick paper 14 pages minute duplex printing on A4 plain paper Monochrome 22 pages minute A4 plain paper in copy mode 10 pages minute postcards and label stocks 16 pages mi...

Страница 13: ... C Power save mode Less than 14W Sleep mode Less than 1 5W Off Mode Less than 0 5W Inrush current 70A or less 25 C C301dn C321dn Operating environment conditions Operating 10 to 32 C 20 to 80 RH max wet bulb temperature 25 C max wet and dry bulb temperature difference 2 C Non operating 0 to 43 C 10 to 90 RH max wet bulb temperature 26 8 C max wet and dry bulb temperature difference 2 C Print quali...

Страница 14: ... powered device 1 5 1 2 USB interface connector and cable 1 Connector Printer side B receptacle female Upstream port Product equivalent to UBR24 4K5G00 Made by ACON Connector pin arrangement 2 Cable Length USB 2 0 cable no more than five meters long two meters or less recommended A shielded USB 2 0 cable shall be used 1 5 1 3 USB interface signals Signal name Function 1 Vbus Power 5V 2 D For data ...

Страница 15: ...rint server mode maximum eight file servers 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 Transmittin...

Страница 16: ...Oki Data CONFIDENTIAL 2 DESCRIPTION OF OPERATION 2 1 Electrophotographic process mechanism 2 2 2 2 Printing process 2 6 ...

Страница 17: ...plied to it from the backside by the transfer roller so that the toner image is transferred to the paper 5 Fusing Heat and pressure are applied to the toner image on the paper to promote its fusion 6 Drum cleaning The drum cleaning blade removes toner remaining on the OPC drum after transfer 7 Static elimination Residual potential on the image drum is removed 8 Belt cleaning The belt cleaning blad...

Страница 18: ...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 supply unit 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 and the toner...

Страница 19: ... roller surface is used to control the fuser temperature under designated conditions There is also a thermostat for safety purposes When the heat roller temperature rises above a certain temperature the thermostat is open and voltage supply to the heater is cut off The backup roller unit is pressed against the heater by the press spring on both sides 7 Drum cleaning Unfixed toner remaining on the ...

Страница 20: ... 2 DESCRIPTION OF OPERATION 9 Belt cleaning Toner remaining on the transfer belt is scraped off by the belt cleaning blade and collected into the waste toner box of the transfer belt unit Belt waste toner box Transport belt Belt cleaning blade ...

Страница 21: ...osing of the face up stacker The above refers to the simplex printing operation of the printers and the following explains the duplex printing operation During duplex printing paper which firstly passes the fuser unit after its backside is printed is sucked into the duplex unit by the separator DUP After entering the paper reverse transport path the paper is carried from there to the inside of the...

Страница 22: ...aper is fed from the 1st Tray 2 After causing the IN sensor to come ON the paper is further carried over a certain distance to finally hit the registration roller This corrects skew of the paper 3 It causes the registration clutch to come ON and has the registration roller carry the paper 2 Paper fed from MPT 1 As illustrated in Figure 2 1 after the paper feed motor starts running clockwise and th...

Страница 23: ...3 Figure 2 4 shows the motions of each of the ID units when the printer is operated for monochrome printing As the lift up motor runs clockwise with the up down clutch ON the lift up link slides to the right causing the ID units except the K ID unit to go up as shown in Figure 2 4 In that state monochrome printing is available Y ID M ID C ID K ID Y ID M ID C ID K ID Lift up link Fuser motor counte...

Страница 24: ...b Face up ejection Face up ejection is available when the face up tray is open In that state the separator FU is fixed in the direction illustrated in Figure 2 6 and the face up tray detection sensor is disabled As the fuser motor runs clockwise the eject rollers and the heat roller start rotating and printed paper is ejected with its face up When face up ejection is enabled duplex printing is not...

Страница 25: ...me after the rear end of the paper passes the eject rollers the fuser motor starts running counterclockwise and as a result of this the eject rollers can carry the next paper to the exit It changes from the state shown in Figure 2 8 to the state shown in Figure 2 7 The duplex unit transport rollers rotate in the same direction regardless of the running direction of the motor 5 The paper that is ca...

Страница 26: ...n 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 9 Density sensor Spring Color registration sensor Link lever Solenoid ...

Страница 27: ...least six hours has passed after the previous correction A correction error may be issued due to an inadequate toner amount of a pattern generated a sensor stained with toner deficient opening closing of the shutter or for other reasons However even if such a registration correction error is issued it is not indicated on the operator panel Therefore it is necessary to perform forcible color regist...

Страница 28: ...tion If 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 board the CU PU board and the connector 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 for the toner remaining on the...

Страница 29: ...ds 500 When one or more ID is replaced with a new one When the belt is replaced with a new one When a toner low or toner empty error is cleared by a replacement of a toner cartridge in a toner low or toner empty state A correction error may be issued due to an inadequate toner amount of a pattern generated a sensor stained with toner deficient opening closing of the shutter or for other reasons Ho...

Страница 30: ... printers A shielding plate is mounted inside each ID and rotates in synchronization with toner agitation Moreover each ID has a shutter fitted Each shutter is synchronized with the operation lever of the relevant 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 issued if a shield...

Страница 31: ...ms occurs Since the total page count is incremented when the front end of print media passes the writing sensor a feed jam 380 is also included into the limits on counts according to its jam type If paper jams before passing the fuser its pages are not counted If paper jams after passing the fuser its pages are counted Operation for Duplex Front back count 2 Only front count 1 The count increases ...

Страница 32: ...y the values in the table below Paper size Simplex Duplex LETTER 1 2 EXECUTIVE 1 2 LEGAL14 1 2 LEGAL13 5 1 2 LEGAL13 1 2 A4 1 2 A5 1 2 A6 1 B5 1 2 COM 9 1 COM 10 1 MONARCH 1 DL 1 C5 1 HAGAKI 1 OUFUKU HAGAKI 1 Custom 1 2 Custom Length 210 mm 2 4 Custom Length 900 mm 4 Envelope NAGAGATA 3 1 Envelope NAGAGATA 4 1 Envelope YOUGATA 4 1 Envelope FUTO A4 1 INDEXCARD 1 ...

Страница 33: ... s and don ts 3 2 3 2 Unpacking procedure 3 3 3 3 Printer installation instructions 3 4 3 4 List of components and accessories 3 5 3 5 Assembly procedure 3 6 3 6 Printing of MenuMap 3 21 3 7 Connection methods 3 22 3 8 Checking of paper used by the user 3 24 ...

Страница 34: ...combustible 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 center It may lead a fire Warning If water or any other liquid enters the inside of the printer remove the power plug from the po...

Страница 35: ...1501TH Rev 2 3 3 Oki Data CONFIDENTIAL 3 INSTALLATION 3 2 Unpacking procedure Warning Personal injury may occur Since the printer weights approximately 25 kg packed it should be lifted by two or more people ...

Страница 36: ...bient humidity 20 to 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 20...

Страница 37: ...the user management section for instructions Warning Personal injury may occur The printer weights approximately 22 kg or 25 kg when packed so 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 Inform the user that the toner cartridges and image drum cartridges can be separated one from the other Soft...

Страница 38: ...e tape Protective tape Protective tape 2 Press the OPEN button to open the top cover 3 Remove the four protective sheets OPEN button Stopper release orange Lever blue of the fuser unit 4 Remove the stopper release orange while pushing down the lever blue of the fuser unit in the direction of the arrow Note The stopper release is used when the printer is not used for a long time or being transporte...

Страница 39: ... the top cover Lock blue 3 Fan the edges of paper stack and align the edges of the stack on a level surface Loading paper in the paper cassette 1 Pull out the paper cassette Note Do not remove the rubber from the plate 2 Adjust the paper stopper and the paper guide to the size of the paper to be loaded and fix them firmly Plate Paper guide Paper stopper ...

Страница 40: ...the paper with the paper guide 6 Turn the paper size dial to the size of the paper loaded 7 Insert the paper cassette back into the printer Place the print side facing down mark Paper loading orientation Loading paper in the multi purpose tray 1 Open the multi purpose tray and also the paper supporter Multi Purpose Tray Manual feed guide Paper Supporter Manual feed guide Multi Porpose Tray 2 Move ...

Страница 41: ... paper print face up along the manual feed guide straight as far as it will go 5 Press the set button Insert the paper print face up straight as far as it will go mark Note Do not allow the level of paper to pass the mark of the paper guide 100 sheets of 70 kg paper or 10 envelopes ...

Страница 42: ...not likely stepped on and avoid placing anything on the power cord Do not bundle or tie the power cord Do not use a damaged power cord Avoid many loads on one electrical 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 electri...

Страница 43: ... off and the LED lamp of the power switch is also turned off No use for a long time When the printer is not used for a long time due to consecutive holidays or when on vacation when changing or attaching parts in repaire or maintenance unplug the AC cord Note The printer will not be functionally impaired even if left unplugged for a long time more than 4 weeks Even in the power off status when the...

Страница 44: ...and the printer cable Turn off the printer by following the steps described under Turning off the power in section 3 5 2 Note Turning off the power without taking proper shutdown steps may cause a failure of the printer so be sure to execute the shutdown menu Installation of an optional tray unit with the power on may cause a failure of the printer 2 Place the printer on an optional tray unit Note...

Страница 45: ...ter driver Note This procedure uses C531 driver as an example For Windows Vista select Start Control Panel and click Printers For Windows XP select Start Control Panel Printers and Other Hardware Printers and Faxes For Windows Server 2003 select Start Printers and Faxes Right click the C531 is PCL or XPS which is a type of the printer driver icon and select Properties Select Obtain Printer Informa...

Страница 46: ...21 C331 C531 A memory expansion board increases the memory capacity of the printer A memory expansion board should be added to the printer when an error message Memory Overflow appears due to insufficient memory for complex data on the printer or the error message Collating Error appears in making collated sets of copies Additional memory Model name Memory capacity None standard 256 MB C531 128MB ...

Страница 47: ...to the slot and push it against the main unit Note Do not touch electronic parts or connector terminals Install the memory by observing the correct orientation of it The memory has a notch in its edge so as to fit with the memory slot connector 7 Attach the bracket and tighten the screw Bracket Screw 8 Connect the printer cable to the printer Printer cable 9 Attach the connector cover to the print...

Страница 48: ...R remove the memory and reinstall it 11 Print the configuration report and check the printout for successful installation of the additional memory Print the configuration report by following the steps instructed in section 3 6 Check the total memory size shown at Total Memory Size in the header Note Reinstall the additional memory if the size at Total Memory Size is not correct ...

Страница 49: ...buffer printing or used when Collating Error appears in making collated sets of copies 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 Turning off the power without taking proper shutdown steps may cause a failure of the printer so be sure to execute the shutdown menu Installation of an SD ...

Страница 50: ...witch against possible erasure is in the active position so be sure to move it to the inactive position SC memory card 7 Attach the bracket and tighten the screw Bracket Screw 10 Connect the power cord to the printer and turn the power ON 9 Attach the connector cover to the printer Connector cover 8 Connect the printer cable to the printer Printer cable ...

Страница 51: ...dministrator privileges on the computer are required For Windows PS printer driver For Windows Vista select Start Control Panel and click Printers For Windows XP select Start Control Panel Printers and Other Hardware Printers and Faxes For Windows Server 2003 select Start Printers and Faxes Right click the C531 PS icon and select Properties Click Get printer information in Installable Options on t...

Страница 52: ...ocedure uses Mac OS X 10 6 as an example This procedure uses C531 driver as an example Select System Preferences from the Apple menu Click Print Fax Select the name of your machine and then click Options Supplies Select the Driver tab Check the SD Memory Card checkbox and then click OK ...

Страница 53: ...rrectly 1 Load A4 paper in a tray 2 Press the button several times until Information Menu appears and then press the button 3 After MenuMap Print appears press the button Printing of MenuMap is started Memo To print Network Information two pages press the button following step 2 until Network appears and then press the button C531dn MenuMap sample ...

Страница 54: ... 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 printer 2 Plug the USB cab...

Страница 55: ...r Ask the user to prepare an Ethernet cable a Category 5 twisted pair cable straight through and a hub Memo For the setup procedure of the printer driver see the user s manual Cover Switching off the printer and the computer 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 ...

Страница 56: ...kg 121 176g m2 ULTRAHEAVY1 Ultra heavy 1 152 189kg 177 220g m2 ULTRAHEAVY2 Ultra heavy 2 Postcard 4 Envelope 4 Label 0 1 to under 0 17 mm HEAVY LABELS Label 1 0 17 to 0 2 mm ULTRAHEAVY1 Label 2 1 The factory default for the media type is PLAIN 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 is printed out in a...

Страница 57: ...re to detach them Reverse the procedures to attach them The reference part numbers used in this manual such as and do not identical to the part numbers in the maintenance disassembly configuration diagram 44951501TL and RSPL 44951501TR for the manual 4 1 Notes on replacement of parts 4 1 4 2 Part replacement procedure 4 4 4 3 Locations to lubricate 4 19 ...

Страница 58: ...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 b Be sure to use the following procedure to reconnect the printer Connect the AC cord and the interface cable to the printer Turn on the printer Turn on the printer then the LED indicator lights up 2 Do not disassemble the printer so ...

Страница 59: ...0 1 3 Screwdriver No 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 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 M...

Страница 60: ...es shown in the disassembly diagrams below 4 2 1 Belt unit 1 Open the top cover 2 Remove the image drum unit 3 Turn the two blue lock handles of the belt unit in the direction of the arrows and holding the unit by the blue handle detach the unit Note Cover the removed image drum cartridges with a piece of black paper top cover black paper Lock lever blue Lock lever blue ...

Страница 61: ... cover 2 Pull the blue fuser unit lock lever in the direction of the arrow and detach the fuser unit 4 2 3 Left side cover 1 Open the top cover 2 Remove the two silver colored screws 3 Unlatch and detach the left side cover Fuser unit lock lever blue Fuser unit lock lever blue Feeder unit Top cover ...

Страница 62: ...e cover 4 Loosen the screw to remove the memory cover 5 Open the MPT assembly 6 Remove the two black screws and one silver colored screw 7 Unlatch two portions A and B to detach the right side cover 4 2 5 Face up tray 1 Open the face up tray in the direction of the arrow and warping it disengage two portions to detach the face up tray MPT Assy Latches A Latch B ...

Страница 63: ...rtions B to slide the rear cover in the direction of the arrow C to detach it 4 2 7 LED assembly and LED assembly springs 1 Open the top cover 2 Remove the cables of the LED assembly As shown in diagram 2 apply force in the direction of the arrow to unlatch the portion A and then the portion B to detach the LED assembly 3 Turning the LED assembly springs clockwise detach it Latch B Latch A Top cov...

Страница 64: ...PU CU PCB 5 Remove all the low voltage power supply cables 6 Remove the two silver colored screws to detach the low voltage power supply Warning Electric shock hazard When replacing the low voltage power supply electric shock may occur Wear insulated gloves or be careful not to touch the conductors or terminals of the power supply directly After the AC cord is unplugged the capacitor may take abou...

Страница 65: ...951501TH Rev 2 4 9 Oki Data CONFIDENTIAL 4 REPLACEMENT OF PARTS Note The low voltage power supply and the AC inlet 4 2 15 should be replaced combined they have been qualified to a safety standard combined ...

Страница 66: ...ssembly and then the LED head cables 3 Remove the two screws to remove the plate rear 4 Remove the silver colored screw and then the two E shaped retainer rings to detach the top cover 4 2 11 Top cover and LED head cable assembly 1 Demount the top cover assembly 2 Remove the 18 black screws to detach the top cover 3 Remove the silver colored screw to detach the LED head cable assembly 18 ...

Страница 67: ...nd plate shield assembly 2 Remove the cable of the operator panel assembly CU PU PCB OPE connector 3 Remove the two screws to detach the operator panel assembly 4 2 13 Board IBB and LCD 1 Remove the operator panel assembly 2 Unlatch the three portions A 3 Detach the Board IBB 4 Unlatch the two portions B 5 Detach the LCD assembly ...

Страница 68: ... Data CONFIDENTIAL 4 REPLACEMENT OF PARTS 4 2 14 MPT assembly 1 Remove the cassette assembly 2 Open the MPT assembly 3 Pull the MPT assembly in the direction of the arrow and release the two supports to detach the MPT assembly ...

Страница 69: ...port 5 Disconnect the CONN Coard from the PU CU PCB and the Holder Assy Switch with the CONN Coard from the side R of the mainbody 6 Disconnect the CONN Coard from the Holder Assy Switch 7 Remove the two screws and unlatch the Frame MPT side to remove it 8 Remove the two silver colored screws to detach the Front FAN 9 Remove the screw silver colored to detach the Frame AC 10 Remove the FG Screw to...

Страница 70: ...inals of the power supply directly After the AC cord is unplugged the capacitor may take about one minute to discharge completely or due to PCB breakdown could not discharge Use caution about electric shock 1 Remove the right side cover and the CU PU PCB 2 Remove the four silver colored screws to remove the film PUCU board and the plate board 3 Remove the two silver colored screw to remove the pla...

Страница 71: ...ower supply 3 Detach the guide ejection assembly 4 Remove the two silver colored screws to detach the fuser connector assembly 5 Remove the film power board 6 Remove the silver colored screw to remove the image drum fan assembly 7 Remove the two silver colored screws to remove the cover beam and the plate beam 8 Remove the three silver colored screws to remove the two torsion springs and then the ...

Страница 72: ...te shield assembly the operator panel assembly the cover open switch and the frame MPT side 2 Remove the RGSNS HPSNS and MPC cables of the PU CUPCB 3 Remove the two silver colored screws to remove the plate front 4 Remove the two silver colored screws and the black screw and unlatch the two portions to detach the frame MPT assembly 5 Remove the three silver colored screws to detach the feeder asse...

Страница 73: ...the rear cover the top cover assembly the operator panel assembly the feeder assembly the guide ejection assembly and the registration assembly 2 Remove the four silver colored screws to remove the plate bottom 3 Remove the E shaped retainer ring and then the shaft 4 Remove the six silver colored screws to detach the side L assembly the side R assembly and the base assembly ...

Страница 74: ...44951501TH Rev 2 4 18 Oki Data CONFIDENTIAL 4 REPLACEMENT OF PARTS 4 2 20 Feed rollers 1 Remove the cassette 2 Unlatch the feed rollers Latch ...

Страница 75: ...ing assembly or disassembly except that after lubricant is wiped off locations the appropriate lubricant specified must be applied to the locations Each number circled accompanied with the number and name of a drawing indicates that the lubrication work with the number is specified in the drawing Lubrication work 1 Lubricant notations and names EM 30L Molykote EM 30L part number 44498501 HP 300 Mo...

Страница 76: ...ss Bx4 Apply a normal amount of MOLYKOTE EM 30LP to the whole circle of 4places EM 30LP Class C Apply a normal amount of MOLYKOTE EM 30LP to the whole circle of hatched areas Shaft end surface side Gear Reduct Liftup A Gear Liftup D Plate BF Caulking EM 30LP Class Bx2 Apply a normal amount of MOLYKOTE EM 30LP to the whole circle of 2 places EM 30LP Class C Apply a normal amount of MOLYKOTE EM 30LP...

Страница 77: ...anet Gear Reduct FU Gear Liftup A Motor DC FU Gear Idle DUP EM 30LP Class B Apply a normal amount of MOLYKOTE EM 30LP to the whole circle of gear teeth 2 places EM 30LP Class B x2 Apply a normal amount of MOLYKOTE EM 30LP to the whole circle of gear teeth 2 places EM 30LP Class B Apply a normal amount of MOLYKOTE EM 30LP to the whole circle of gear teeth 2 places EM 30LP Class B Apply a normal amo...

Страница 78: ...y a normal amount of MOLYKOTE EM 30LP to the whole circle of gear teeth 4 places Grease prohibition EM 30LP Class A Apply a small amount of MOLYKOTE EM 30LP to the hatched areas EM 30LP Class A Apply a small amount of MOLYKOTE EM 30LP to the hatched areas EM 30LP Class A Apply a small amount of MOLYKOTE EM 30LP to the hatched areas EM 30LP Class A Apply a small amount of MOLYKOTE EM 30LP to the ha...

Страница 79: ...tched areas EM 30LP Class A Apply a small amount of MOLYKOTE EM 30LP to the hatched areas EM 30LP Class A Apply a small amount of MOLYKOTE EM 30LP to the hatched areas EM 30LP Class C Apply a normal amount of MOLYKOTE EM 30LP to the gear tooth tops Rack L Plate Position Caulking Frame Shutter EM 30LP Class B Apply a normal amount of MOLYKOTE EM 30LP to the hatched areas bearing portion ...

Страница 80: ...KOTE EM 30LP to the hatched areas Center of shaft EM 30LP Class A Apply a normal amount of MOLYKOTE EM 30LP to the hatched areas Side of roller and ditch of shaft The other side is also the same Two places in total Roller Pressure Roller Regist EM 30LP Class C Apply a normal amount of MOLYKOTE EM 30LP to the hatched areas Shaft end surface side EM 30LP Class C Apply a normal amount of MOLYKOTE EM ...

Страница 81: ...OTE EM 30LP to the hatched areas Shaft end surface side Plate Feed B_Caulking EM 30LP Class C Apply a normal amount of MOLYKOTE EM 30LP to the hatched areas Shaft end surface side Plate Feed A_Caulking Shaft Roller Feed Roller Feed EM 30LP Class C Apply a normal amount of MOLYKOTE EM 30LP to the hatched areas Shaft EM 30LP Class C Apply a normal amount of MOLYKOTE EM 30LP to the hatched areas Shaf...

Страница 82: ... Frame Assy Regist EM 30LP Class C Apply a normal amount of MOLYKOTE EM 30LP to the hatched areas Post end surface side 44364101PA Eject Assy Gear Idle_Exit Z38 EM 30LP Class C Apply a normal amount of MOLYKOTE EM 30LP to surface of the post bearing portion the flange portions EM 30LP Class B x4 Apply a normal amount of MOLYKOTE EM 30LP to the whole circle of gear teeth Of 4pcs ...

Страница 83: ...3001PA Printer Unit PX750 2 44453001PA Printer Unit PX750 Spring Torsion L Spring Torsion R Cover Top Assy Panmotoroil Class C Apply a normal amount of Panmotoroil to the portion of the slot of solid coiling of this torsion spring using a brush 2places Atbothsides Plate L EM 30LP Class C Apply a normal amount of MOLYKOTE EM 30LP to the end face of Plate L hached areas EM 30LP Class C Apply a norma...

Страница 84: ...um Shaft hatched areas GE 334C Class C Apply a normal amount of FLOIL GE 334C to contact portion 4 places EM 30LP Class C Apply a normal amount of MOLYKOTE EM 30LP to the end face of Plate R hatched areas EM 30LP Class C Apply a normal amount of MOLYKOTE EM 30LP to the end face of Plate R hatched areas Roller Feed Dup Plate Base EM 30LP Class C x4 Apply a normal amount of MOLYKOTE EM30LP to the ha...

Страница 85: ...ortion Both side EM 30LP Class C Apply a normal amount of MOLYKOTE EM30LP to bearin portion Both side GE 334C Class C Apply a normal amount of FLOIL GE 334C to bearin portion 2 places EM 30LP Class B Apply a normal amount of MOLYKOTE EM30LP to the whole circle of gear teeth 2 places EM 30LP Class B Apply a normal amount of MOLYKOTE EM30LP to the whole circle of gear teeth 2 places Gear Idle Z21 Ge...

Страница 86: ...r Assy Stacker Hatched areas Cover Rear SF 133 Class B Apply a normal amount of HANAL SF 133 to the hatched areas Hatched areas 44359201PA Frame Assy MPT Note 1 Note 1 Note 1 Roller Pitch Shaft Idle Dup Roller Pitch Shaft Idle Dup Spring Torsion Pitch EM 30LP Class A Apply a normal amount of MOLYKOTE EM 30LP to the hatched areas Side of roller and ditch of shaft The other side is also the same Two...

Страница 87: ... printer has maintenance menus in addition to general menus The menus intended for adjustment purposes should be selected 5 1 System Maintenance menu for maintenance personnel 5 2 5 2 Maintenance Utility 5 4 5 3 User maintenance menu functions 5 6 5 4 Setup after part replacement 5 26 5 5 Manual density adjustment operation 5 28 5 6 Printer ADMIN MENU 5 29 ...

Страница 88: ...oes not initialize some special items Category Item 1st Line Value 2nd Line DF Function CONFIG MENU CODESET TYPE1 TYPE2 Displayed for all the destinations of the printer TYPE1 Disables Russian Grease and Bulgarian language file downloading This value uses English for the operator panel language when the printer already has any of the three languages downloaded TYPE2 Enables Russian Grease and Bulg...

Страница 89: ...allowing for entry of a new password NEW PASSWORD Sets a new password to enter the System Maintenance menu Six to 12 alphanumeric characters can be entered for this item VERIFY PASSWORD Prompts a user to verify and enter again the new password that was set for NEW PASSWORD to enter the System Maintenance menu Six to 12 alphanumeric characters can be entered for this item ENGINE DIAG MODE Enters th...

Страница 90: ...board information cannot be copied with the board replacement function e g due to an interface error 2 4 1 1 10 3 Unavailable Option Adjustment Section in Maintenance Utility Operating Manual Operation from operator panel section in this maintenance manual 3 Factory Shipping mode Switches between the Factory and Shipping modes Purpose To configure a maintenance replacement PU board onto which the ...

Страница 91: ...inter for operation it performs solely and send a download file 2 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 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 operation 2 4 1 5 2 20 Color registration adjustment test Exe...

Страница 92: ...y Operator panel display Description Option upper display Setting lower display MAINTENANCE MENU POWER SAVE ENABLE Sets whether to enable or disable the Power Save mode The time to establish the power saving mode when ENABLE is selected can be changed with SYS CONFIG MENU POW SAVE TIME DISABLE SLEEP ENABLE Sets whether to enable or disable the Sleep mode The time to establish the mode when ENABLE ...

Страница 93: ...ccur due to temperature and humidity environment print density or print frequency variation Change the setting when a dark background occurs 0 1 2 3 5 3 2 Self diagnostic mode This section describes LEVEL 0 and LEVEL 1 5 3 2 1 Operator Panel The following operational description on the self diagnostic is premised on the following operator panel layout MENU ON LINE READY ATTENTION CANCEL POWER SAVE...

Страница 94: ...ature and humidity Setting table Transfer voltage Transfer off voltage and belt temperature Side thermistor Waste toner sensor Waste toner sensor status monitor display 1 Menu option switching Holding down or ONLINE or momentarily pressing or switches between the options in shaded areas XXXXX or is used to switch between the options in non shaded areas XXXXX Holding down restores the display that ...

Страница 95: ... 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 CRSE ADJ M L R X FINE ADJ Y X R CRSE ADJ C L R X FINE ADJ M Y L FINE ADJ Y L R X FINE ADJ M Y L FINE ADJ M L R X FINE ADJ M Y R FINE ADJ C L R X FINE ADJ M Y R REG ADJ Y L R X FINE ADJ M X L REG ADJ M L R X FINE ADJ M X R REG ADJ C L R X FINE ADJ C ...

Страница 96: ... Shipping modes No 3 No 24 9 Fuse status display Displays the status of the fuses 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 C301 C321 C331 C511 C53...

Страница 97: ...H 4 L Operate the unit s figure 5 1 Display information in the appropriate area s of the LCD display the information varies depending on the sensor s 4 Press the CANCEL button to restore the state for step 2 5 Repeat steps 2 through 4 when necessary 6 Press to end the test the state for step 1 is restored Y M C K Fuser thermistor upper Toner sensor Y Toner sensor M Toner sensor C Toner sensor K Ta...

Страница 98: ...ue H Color registration sensor R AD value H HT THERMISTER Fuser thermistor upper sensor AD value H Fuser thermistor lower sensor AD value H Heater frame thermistor AD value H HUM_TEMP_DEN 1 Humidity sensor AD value H Temperature sensor AD value H Density sensor K AD value H Density sensor YMC AD value H BELT_T Belt thermistor AD value H ID UP DOWN ID UpDown Sns H Down L Up TAG COLOR TAG ID UID H T...

Страница 99: ...ing of the unit The unit is driven again by pressing an appropriate button The clutch solenoid repeatedly turns on and off in normal printing driving a motor is driven together with the solenoid when it cannot be driven solely because of its mechanical structure ID UP DOWN continues driving until the CANCEL button is pressed The clutch solenoid is kept driven by holding down the OK button for two ...

Страница 100: ...must be removed FUSER_MOTOR REGIST MOTOR T1 HOPPING MOTOR FRONT MOTOR REGIST SHUTTER DUPLEX MOTOR DUPLEX CLUTCH T2 HOPPING MOTOR Option T2 FEED CLUTCH Option ID UP DOWN The top and front cover must be closed LV FAN TEST ID FAN TEST FRONT FAN TEST Note Display while ID UP DOWN is in progress MOTOR CLUTCH TEST ID UP DOWN Identifies the number of executions Display after holding down REGIST SHUTTER O...

Страница 101: ...h the press of OK 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 Each print a blank page TEST CASSETTE TRAY1 Selects a paper source TRAY2 is not displayed when the tray 2 is not installed TRAY2 MPT PAGE 0000 Sets the number of test copies to print COLOR ON Selects color or monochrome printing ON...

Страница 102: ...are different from those in PU test printing Panel Display Detail PAPER END SELECTED TRAY No paper exists 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 A cassette is slid out Print patterns cannot be used for print quality checking 0 and 8 to 15 Each print a blank page Pattern 1 Pattern 2...

Страница 103: ...roller resistance value in uA MR A magenta transfer roller resistance value in uA CR A cyan transfer roller resistance value in uA The displays are switched by pressing ETMP UTMP REG EXT ETMP A parameter for correction of constant hopping motor speed an ambient temperature in decimal UTMP A parameter for correction of constant fuser motor speed a target fusing temperature in decimal REG A hopping ...

Страница 104: ...able identification number in hex The displays are switched by pressing TROFF BELT xxx TROFF A transfer off voltage setting table identification number in hex BELT Three cross signs and a minus sign xxx identifies a read belt thermistor AD value in hex Three asterisks and a minus sign identifies a belt temperature in hex 5 Repeat steps 2 through 4 when necessary 6 Press the CANCEL button to end th...

Страница 105: ...button during the test cancels the test turning on the ONLINE lamp restoring the state for step 2 When REG ADJ RESULT is executed Same button operations as used when REG ADJ EXECUTE is executed When BLT REFLECT TEST is executed A color registration adjustment belt reflection test starts the ONLINE lamp starts blinking When the test ends the upper display shows the result of the test OK or an error...

Страница 106: ...step 2 When DENS ADJ RESULT is executed Same button operation as used when REG ADJ EXECUTE is executed When DENS ADJ PAR SET is executed The setting for the density adjustment parameter is displayed When AUTO CALIBRATION is executed The density sensor sensitivity correction value is automatically set the ONLINE lamp starts blinking When the test ends the upper display shows the result of the test ...

Страница 107: ... Decimal Images M ID UNIT IMAGES Decimal Images C ID UNIT IMAGES Decimal Images FUSER UNIT PRINTS Decimal Prints Displays the number of pages printed to date after the installation of a new fuser unit TR BELT UNIT IMAGES Decimal Images Displays the number of pages printed to date after the installation of a new belt unit K TONER FULL Decimal Each display the usage of toner of a color Y TONER FULL ...

Страница 108: ...ng is used for switching from the Factory to Shipping mode 1 Enter the self diagnostic mode and until the following message appears press or FACTORY MODE SET 2 Press or and the following message appears Press or until an option to set refer to the table shown below appears FACTORY MODE SHIPPING MODE 3 By pressing the OK button with the option on the display a setting for the option can be selected...

Страница 109: ...4 when necessary 6 Press to end setting the option except where not in step 4 the state for step 1 is restored Display Settings Behavior Function TONER SENSOR ENABLE Performs detection Enables or disables the toner sensor operation DISABLE Does not perform detection BELT UNIT CHECK ENABLE Performs checking Enables or disables the belt installation checking operation DISABLE Does not perform checki...

Страница 110: ...al number 5 3 3 Various types of printing on stand alone basis Menu Map printing Prints information about program versions and the configuration of the control block Operation With the printer placed online press the OK button once to display INFORMATION MENU Press the OK button to display MENU MAP PRINT EXECUTE Press the OK button Network information printing Operation With the printer placed onl...

Страница 111: ...risks respectively the following buttons work 1 ONLINE and CANCEL buttons Start a CU program starting no objects added for example in the download mode 2 and Start the System Maintenance menu 3 and OK button Ignoring all warnings and errors start the printer always placing it to a mode where it is placed online 4 ONLINE button Starts the printer placing it to a mode dedicated to object downloading...

Страница 112: ...LEDs with the LEDs to replace with them and identification of those LEDs 5 4 1 Notes on CU PU board replacement 1 When the EEPROM on a board to remove can be accessed when SERVICE CALL 104 Engine EEPROM Error or 40 EEPROM Error is not displayed 1 Remove information from the EEPROM in the PU block and setting information from the EEPROM in the CU block of the board and temporarily store them onto a...

Страница 113: ...inter is placed in the Factory mode after the CU PU board is replaced with a new one Switch the printer to the Shipping mode Use the window for the Factory Shipping mode described section 2 4 1 1 10 4 in Maintenance Utility section 2 4 1 1 10 about board setting functionality Note Note that replacing the EEPROM the engine control board clears life information about units including the belt toner a...

Страница 114: ...ter may print density out of adjustment while being used Perform manual density adjustment operation when the printer has a density trouble Note The manual density adjustment operation must be performed with the printer in a static state Do not perform it while the printer warms up 1 Press or more than one time Press the OK button when COLOR MENU appears 2 or to display ADJUST DENSITY EXECUTE 3 Pr...

Страница 115: ...t display the MEDIA MENU category through USER MENU COLOR MENU ENABLE DISABLE Sets whether to enable or disable the COLOR MENU category DISABLE Does not display the COLOR MENU category through USER MENU Category Option Settings Description C531 C331 C321 C511 C301 OP MENU SYS CONFIG MENU ENABLE DISABLE Sets whether to enable or disable the SYSTEM CONFIG MENU category The category is not displayed ...

Страница 116: ...the factory shipped configuration The printer displays this message with the SD memory card installed Category Option Settings Description C531 C331 C321 C511 C301 OP MENU SYS ADJUST MENU ENABLE DISABLE Sets whether to enable or disable the SYSTEM ADJUST MENU category DISABLE Does not display the SYSTEM ADJUST MENU category through USER MENU MAINTE NANCE MENU ENABLE DISABLE Sets whether to enable ...

Страница 117: ...ses an SD memory card The printer displays this option with the SD memory card installed SD CARD ERASE EXECUTE Completely erases the information in an SD memory card This option should be operated for example before disposal of the SD memory card This processing needs approximately 30 seconds when the size of the SD memory card is 16 GB The printer displays the option with the SD memory card insta...

Страница 118: ...s Pn specified Tray 2 by TRAY2 ID No FX PPR Emu in CSF control command ESC EM Pn Display Condition Tray 2 installment except for C321 5 9 CHANGE PASS WORD NEW PASSWORD Sets a new password for entry to ADMIN MENU The password should be set to six to 12 numbers or lower case characters VERIFY PASSWORD Enters for verification the password set for NEW PASSWORD ...

Страница 119: ...Oki Data CONFIDENTIAL 6 PERIODIC MAINTENANCE 6 1 Cleaning 6 2 6 2 LED lens array cleaning 6 3 6 3 Pick up roller cleaning 6 5 6 4 Pinter internal cleaning 6 6 ...

Страница 120: ...ODIC MAINTENANCE The inside and outside of C301 C321 C331 C511 C531 should 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 LED head connectors 6 1 Cleaning ...

Страница 121: ...a vertical white belt or line void or light print LED head cleaning The LED heads should be cleaned when a printed output contains a faded image a white line or spread ink of text White belt or line void or light print 1 Turn off the printer 2 Press the OPEN button and open the top cover Caution Burn injury hazard The fuser unit is hot Do not touch it OPEN button ...

Страница 122: ... CONFIDENTIAL 6 PERIODIC MAINTENANCE 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 LED head ...

Страница 123: ...rs and the separator roller should be cleaned when 391 PAPER JAM frequently occurs 1 Pull out the paper cassette 2 Wipe the large and small feed rollers with a cloth tightly wrung out with water 3 Wipe the separator roller of the paper cassette with a cloth tightly wrung out with water Feed roller small Feed roller large Roller Note Clean the option tray 2 in the same way when 392 PAPER JAM freque...

Страница 124: ...tton and open the top cover Caution Burn injury hazard The fuser unit is hot Do not touch it 3 Take out the image drum cartridges 1 Take out the four image drum cartridges and place them on a flat table 2 Cover the image drum cartridges with black paper Note The image drums the green tubes are delicate Handle them carefully Do not expose the image drum cartridges to direct sunlight or very bright ...

Страница 125: ...er unit fixing levers in the direction of the arrows 2 Hold the fuser unit by its handle and take out it 5 Wipe the metal shaft with a soft cloth or tissue paper Handle Fuser unit fixing lever blue Fuser unit fixing lever blue 6 Reinstall the fuser unit For details refer to the fuser unit replacement section of the C301 C321 C331 C511 C531 user documentation about setting up 7 Gently put the four ...

Страница 126: ...NG 7 1 Before troubleshooting 7 2 7 2 Points to check before dealing with image troubles 7 2 7 3 Precautions for dealing with image troubles 7 2 7 4 Preparation for troubleshooting 7 2 7 5 Troubleshooting procedure 7 3 7 6 Fuse check 7 72 ...

Страница 127: ...idges have been replaced properly 3 There are no problems with paper Refer to applicable paper specifications 4 The image drum cartridges are installed properly 7 3 Precautions for dealing with image troubles 1 Do not touch or allow foreign matter to touch the surfaces of the OPC drums 2 Do not expose the OPC drums to direct sunlight 3 The fuser unit is hot Do not touch it 4 Do not expose the imag...

Страница 128: ... to total size of the RAM is indicated in the second row WAIT A MOMENT NETWORK INITIAL Off Off Indicates network initialization is being performed FLASH CHECK Off Off Indicates information in unformatted resident option flash memory is being checked This message appears after such memory is detected and MAINTENANCE MENU FLASH FORMAT is executed in the System Maintenance menu This processing is tra...

Страница 129: ...sion error 5 A FAT version error WAIT A MOMENT DATA WRITING Off Blink Indicates update NIC program data is being written Panel display identifies that no display is provided On line lamp Atten tion lamp Detail POWER OFF ON DATA WRITTEN OK Off Off Indicates writing of update NIC program data is complete CHECK DATA DATA WRITE ERROR n Off On Indicates that the printer has an error during writing of u...

Страница 130: ...ORMATION MENU NETWORK allows the printer to start printing a network configuration PRINT FONT Varies Varies Indicates the printer is printing a fonts list C531 C331 and C321 PRINT FILE LIST Varies Varies Indicates the printer is printing a list of the files stored in the file system C531 C331 and C321 PRINT ERROR LOG Varies Varies Indicates the printer is printing an error log C531 C331 and C321 C...

Страница 131: ...cklight not lighting during a power saving mode the printer turns on the backlight and after 30 seconds turns off it where the printer does not exit the power saving mode While shutting down the printer stays the backlight lighting INVALID OPERATION Varies Varies With the printer unable to switch to the Power Save mode pops up with a press or successive presses of the power save button and three s...

Страница 132: ...inting approximately 50 pages going offline and stopping COLOR K Replace the toner cartridge for the displayed color NON OEM COLOR TONER DETECTED Varies On Indicates a toner cartridge is not for the printer COLOR Y M C K Ask the customer to use a proper part Panel display identi fies that no display is provided On line lamp Atten tion lamp Detail Solution COLOR TONER REGIONAL MISMATCH Varies On In...

Страница 133: ...ace the cartridge of the toner to a new one Panel display identi fies that no display is provided On line lamp Atten tion lamp Detail Solution COLOR REPLACE TONER Varies On Indicates the printer ran out of toner Having no print data the printer develops this status The printer can print monochrome data with issuing this warning and changes the display to an Empty error for color data to print COLO...

Страница 134: ...e to the CU firmware DENSITY BLACK SENSOR ERROR Varies Varies A density adjustment black sensor error The printer has the error in no user environments because when it is in the Shipping mode and the PU firmware detects this status the PU firmware provides no notice to the CU firmware Panel display identi fies that no display is provided On line lamp Atten tion lamp Detail Solution COLOR IMAGE DRU...

Страница 135: ...p Detail Solution TRAY EMPTY Varies On Indicates the tray ran out of paper This is deemed as a warning until printing from the tray is specified TRAY TRAY1 TRAY2 MP TRAY Add paper to the displayed tray FILE SYSTEM FULL Varies On Indicates that no space became available in the file system in a recording device an SD memory card flash memory This is a temporary warning and the display is provided un...

Страница 136: ...anceled only C531 PRESS ONLINE SW INVALID SECURE DATA Varies On Indicates that as data damage was detected through completeness checking in secure printing a job was deleted only C531 Panel display identi fies that no display is provided On line lamp Atten tion lamp Detail Solution PRESS ONLINE SW DISK USE FAILED FS_ERR Varies On Indicates a file system error other than the above file system relat...

Страница 137: ...ode is identified by nnn The printer displays a service call with an error code and corresponding error information in the lower LCD display The error information such as a number indicating an address is used for problem analysis and solution and must be retained and notified to related departments Tables 7 1 1 and 7 1 2 outline error codes their meanings and the solutions for them Table 7 1 1 Op...

Страница 138: ...pecified with a driver With a unit specified for Custom paper size in a driver the display shows a Custom paper size in the unit Custom paper size is expressed by width x length unit Examples 210 x 297 mm 8 5 x 11 0 inches The user needs to press the ONLINE button after changing paper Error 461 462 Operator panel display Online lamp Atten tion lamp Description Code nnnnnn LOAD MEDIA_SIZE MEDIA_TYP...

Страница 139: ...he display shows a Custom paper size in the unit Error 491 492 Operator panel display Online lamp Atten tion lamp Description Code nnnnnn LOAD MEDIA_SIZE AND PRESS ONLINE SWITCH ERRCODE MP TRAY EMPTY Off Blink Indicates that with the multi purpose tray empty of paper a request for printing from it occurred The printer re feeds paper Error 490 MP TRAY The unit of Custom paper size conforms to the s...

Страница 140: ...link Indicates a toner cartridge is not for the printer The printer is recovered by replacing the toner cartridge with a one for the printer Error 554 Y Error 555 M Error 556 C Error 557 K Error 554 555 556 557 Operator panel display Online lamp Atten tion lamp Description Code nnnnnn REPLACE TONER ERRCODE INCOMPATIBLE COLOR TONER Off Blink Indicates a toner cartridge is not for the printer The pr...

Страница 141: ... causing error Error 409 Operator panel display Online lamp Atten tion lamp Description Code nnnnnn CHECK UNDER BELT ERRCODE PAPER JAM Off Blink Indicates a paper jam occurred near the duplex unit Error 370 Duplex Reversal Error 371 Duplex Input Error 370 371 CHECK UNDER BELT ERRCODE PAPER JAM Off Blink Indicates a paper jam occurred near the duplex unit Error 372 Duplex Misfeed Error 372 REPLACE ...

Страница 142: ...rocessing of update NIC program data DLCODE 1 size error 2 checksum error 3 printer model number error 4 module interface version error 5 FAT version error Error Operator panel display Online lamp Atten tion lamp Description Code nnnnnn WAIT A MOMENT DATA WRITING Off Blink Indicates update NIC program data is being written Error POWER OFF ON DATA WRITTEN OK Off Off Indicates writing of update NIC ...

Страница 143: ...to the PU Fatal 209 Table 7 1 2 Service call errors list Display Causes Error detail Actions POWER OFF ON 001 ERROR 006 ERROR 009 ERROR 011 ERROR CPU Exception Is the error display provided again Yes No Remove any RAM DIMM and turn off and on the printer Replace the CU PU board Reinstall the RAM DIMM SERVICE CALL 020 ERROR CU ROM Hash Check Error Is the error display provided again Yes OFF ON Repl...

Страница 144: ...inting again Print other data Replace the CU PU board Ask design people to analyze the data Display Causes Error detail Actions POWER OFF ON 074 ERROR xxxxxxxx 075 ERROR xxxxxxxx Video error An error was detected in expanding image data Is the CU PU installed properly No Yes Reinstall it properly Replace it SERVICE CALL 081 ERROR Parameter matching check error Reading from or writing into EEPROM o...

Страница 145: ... fan connected properly Does the error occur again No Yes No Re connect it properly Replace the fan motor Replace the CU PU board Display Causes Error detail Actions SERVICE CALL 131 ERROR 134 ERROR LED head detection error 131 Y 132 M 133 C 134 K Is the LED head installed properly Is the LED head fuse broken Does the error occur again No Yes Yes No Yes Install the LED head unit Check the LED head...

Страница 146: ...or Does an error message appear Does the error occur again Yes Turn off and on the printer Turn off and on the printer after leaving it for 30 minutes Display Causes Error detail Actions SERVICE CALL 168 ERROR Note Compensation thermistor error Does an error message appear Does the error occur again Yes Turn off and on the printer Turn off and on the printer after leaving it for 30 minutes SERVICE...

Страница 147: ...ccur POWER OFF ON 209 DOWNLOAD ERROR Custom Media Type table downloading failure Custom Media Type table downloading failed Turn off and on the printer and then re download it In general use of the printer this downloading is not performed and this error does not occur Display Causes Error detail Actions POWER OFF ON 203 ERROR 204 ERROR 207 ERROR 208 ERROR 213 ERROR 214 ERROR F0C ERROR FFE ERROR F...

Страница 148: ...on unit Display Causes Error detail Actions POWER OFF ON 933 ERROR Tray 2 CPU clock frequency error SERVICE CALL 980 ERROR Media jamming error around fuser Media is jammed by entangling around the fuser Turn off the printer Replace the fuser SERVICE CALL 983 ERROR Duplicate toner cartridge detection error Multiple toner cartridges for the same color ware detected Install toner cartridges for speci...

Страница 149: ...jam error code 370 371 372 373 383 7 46 8 1 Two sided printing jam occurs immediately after the power is turned on 7 46 8 2 Two sided printing jam occurs during taking in the paper into Duplex unit 7 46 8 3 Two sided printing jam occurs in the process of reversing paper 7 47 8 4 Two sided printing jam occurs during transporting paper inside the Duplex unit 7 47 8 5 Paper is not supplied from the D...

Страница 150: ... power 5V power supplied to CU PU board Check the 5V power supply by using the pins 1 2 and 3 of the CU PU board POWER connector 10 Replace the low voltage power supply 3 3V power supply to operator panel board Check 3 3V power supply by using the pin 7 of the CU PU board CN1 connector 19 Replace the CU PU board Check item Check operation Actions for NG results 1 1 4 Power supply short circuit che...

Страница 151: ...er supplied to CU PU board Check the power supply by using the CU PU board POWER connector 10 Pins 7 8 and 9 24V Pins 1 2 and 3 5V Pins 4 5 and 6 0VL Pins 10 11 and 12 0VP Replace the low voltage power supply 2 1 2 Confirmation of the power switch LED Power Switch LED Confirm whether the LED is off If the LED blinks rapidly the number of blinking times in a cycleshows an error The timing of blinki...

Страница 152: ... load exists or not Buzzer sound when an error occurs Replace the corresponding consumable item If any attempt of using new part as a trial is going to be made be sure to use the System Maintenance Menu FUSE KEEP MODE Check item Check operation Actions for NG results 2 2 3 Gear tooth disengagement check consumable load problem Operating conditions of the respective motors Check if operations of th...

Страница 153: ...k that no foreign material exists in fuser unit Check that no foreign materials such as paper are stuck inside of the fuser unit Remove the foreign material 2 4 Startup time of printer is long Check item Check operation Actions for NG results 2 4 1 Fuser unit check Halogen lamp Check that 100V is shown on the label on the rear of the fuser unit Replace the fuser unit 2 4 2 Option part check note E...

Страница 154: ...it Error code Check messages on the operator panel and following the procedures on the appropriate pages remove jammed paper Clean the feed rollers and the inside of the printer when the printer is frequently jammed with paper Refer to the paper removal methods on the reference pages shown in the following table Error code Operator panel display Reference page 370 CHECK UNDER BELT 370 PAPER JAM Pa...

Страница 155: ... fuser unit and then remove the fuser unit 4 Place a finger behind the belt unit lock levers blue and raise and remove it 5 Remove jammed paper in the direction of the arrow Black paper Top cover Image drum unit Handle Fuser unit lock lever blue Fuser unit lock lever blue Paper Fuser unit OPEN button Lock lever blue Belt unit Lock lever blue 6 Hold the belt unit by the lock lever blue on each side...

Страница 156: ... 8 Put the fuser unit back into position 9 Turn the lock levers inwards to lock the fuser unit 10 Install the image drum unit in the printer so as to situate the K toner cartridge toward the front of the printer 11 Close the top cover Handle blue Handle blue Fuser unit lock levers blue Handle Fuser unit lock lever blue Fuser unit lock lever blue ...

Страница 157: ...ge drum unit OPEN button 3 Remove any jammed paper in the direction of the arrow Paper Fuser unit Paper Fuser unit Remove in the direction of the arrow any paper jammed the inside front of the printer Pull out toward the front of the printer any paper jammed at the fuser unit with the fuser unit lever blue left turned in the direction of the arrow 4 Install the image drum unit in the printer so as...

Страница 158: ...cover Error code 390 1 Press the OPEN button and open the top cover 2 Take out the image drum unit place it on a flat surface and cover it with black paper Black paper Top cover Image drum unit OPEN button 3 Open the inside transparent cover of the printer and remove jammed paper ...

Страница 159: ...nstall the image drum unit in the printer so as to situate the K toner cartridge toward the front of the printer 5 Close the top cover Handle blue Handle blue Error code 391 1 Pull the tray 1 out of the printer 2 Remove paper 3 Insert the tray 1 back into the printer ...

Страница 160: ...5 Oki Data CONFIDENTIAL 7 TROUBLESHOOTING 4 Press the OPEN button and open and close the top cover Error code 392 1 Pull the tray 2 out of the printer 2 Remove paper 3 Insert the tray 2 back into the printer Tray 2 Tray 2 ...

Страница 161: ...and close the top cover Error code 409 1 Press the OPEN button and open the top cover 2 Take out the image drum unit place it on a flat surface and cover it with black paper Black paper Top cover Image drum unit OPEN button 3 Remove any jammed paper in the direction of the arrow Paper Fuser unit ...

Страница 162: ...the fuser unit lock levers to the direction of the arrow to unlock the fuser unit and then remove the fuser unit Handle Fuser unit lock lever blue Fuser unit lock lever blue 5 Place a finger behind the belt unit lock levers blue and raise and remove it 6 Remove jammed paper in the direction of the arrow Paper Fuser unit Lock lever blue Belt unit Lock lever blue Belt unit Belt unit Lock levers blue...

Страница 163: ... 9 Put the fuser unit back into position 10 Turn the lock levers inwards to lock the fuser unit 11 Install the image drum unit in the printer so as to situate the K toner cartridge toward the front of the printer 12 Close the top cover Handle blue Handle blue Fuser unit lock levers blue Handle Fuser unit lock lever blue Fuser unit lock lever blue ...

Страница 164: ... sensors Replace the CU PU board 3 2 Jam occurs immediately after the paper feed is started 1st tray Check item Check operation Actions for NG results 3 2 1 Check condition of the paper running path Paper running path of the front unit Check if paper is jammed or not in the paper running path Remove the jammed paper 3 2 2 Check condition of the mechanical parts Hopping sensor and IN sensor lever c...

Страница 165: ...k the connection condition of the cable Check if the connector is connected in the half way only or not and check if the connector is inserted in a slanted angle or not Check also that cables are assembled without any abnormality Replace the cable with the good cable that normalizes the connection condition Cord for feed clutch Check that any cable is not pinched during assembling of the printer P...

Страница 166: ...ched during assembling of the printer Pull out the CU PU board HOP connector 1 and check the following at side of the cord Short circuit between pin 1 FG Short circuit between pin 2 FG Short circuit between pin 3 FG Short circuit between pin 4 FG Replace the cable with the good cable that normalizes the connection condition Paper feed motor Pull out the CU PU board HOP connector 1 and check whethe...

Страница 167: ...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 mode Replace the CU PU board or the feed motor Paper feed motor driver Pull out the CU PU board HOP connector 1 and check the following at the side of the connector Several M between pin 1 FG Several M between pin 2 FG Several M between pin 3 FG Several M ...

Страница 168: ...ath 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 shape and movement of the sensor levers have any abnormality or not Replace the sensor lever with the good sensor lever Check item Check operation Actions for NG results 6 2 3 Motor op...

Страница 169: ...following resistance exists between the corresponding pins at the cable side CU PU board HOP connector 1 Between pin 1 pin 2 Approx 3 4 or approx 5 Between pin 3 pin 4 Approx 3 4 or approx 5 CU PU board BELT connector 3 Between pin 1 pin 2 Approx 6 1 or approx 3 5 Between pin 3 pin 4 Approx 6 1 or approx 3 5 Between pin 5 pin 6 Approx 3 4 or approx 5 Between pin 7 pin 8 Approx 3 4 or approx 5 Repl...

Страница 170: ... the fuser unit correctly in a printer 7 5 2 7 Paper unloading jam error code 382 7 1 Paper unloading jam occurs immediately after the power is turned on Check item Check operation Actions for NG results 7 1 1 Check condition of the paper 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 conditi...

Страница 171: ... 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 CU PU board the fuser motor or the fuser unit fuser unit as a trial is going to be made be sure to use the System Maintenance Menu FUSE K...

Страница 172: ...tected by using the SWITCH SCAN function of the self diagnostic mode Check sensor detection with paper in the duplex unit and with it removed from the duplex unit Replace the Duplex board V7Y PCB or replace the defective sensor or connection cable 8 2 Two sided printing jam occurs during taking in the paper into Duplex unit Check item Check operation Actions for NG results 8 2 2 Sensor lever opera...

Страница 173: ...ided printing jam occurs during transporting paper inside the Duplex unit Check item Check operation Actions for NG results 8 4 1 Sensor lever operation check Dup R Dup F sensor lever Open the top cover remove the image drums and the belt unit and check the operation of the DUP F sensor lever Replace the sensor lever 8 4 2 Sensor check Check the detection condition of the sensor signal Confirm tha...

Страница 174: ...ad 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 Check if th...

Страница 175: ... power is turned on Check item Check operation Actions for NG results 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...

Страница 176: ...ally supplied or not Power supply CN2 connector between pin 1 and pin 2 and between pin 3 and pin 4 Replace the low voltage power supply Heater 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 CU PU board POWER connector 10 pins 14 and 15 Replace the CU PU board 7 5 2 12 Motor fan error er...

Страница 177: ...or connecting the option tray unit with the main unit Is the terminals of the square connector damaged Replace the connector Check item Check operation Actions for NG results 14 2 3 Check the control signals Control signal that is output from the CU PU board to the option tray board GOG 1 PCB Check the control signals that are output from the 2ND connector of the CU PU board Pin 6 TXD PU 2nd Pin 5...

Страница 178: ...aper 3 mm away 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 Operat...

Страница 179: ...y using the Motor Clutch Test of the self diagnostic mode Check if any extra load exists or not Replace the CU PU board or the ID motor 7 5 2 17 Fuse cut error error codes 153 to 155 17 1 Fuse cut error Check item Check operation Actions for NG results 17 1 1 Check the system connection FFC connecting the CU PU board and the toner sensor board ZHJ PCB Check if the SSNS connector of the CU PU board...

Страница 180: ...y cables by visual inspection Replace the FFC with the normal FFC Check item Check operation Actions for NG results 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 case that a printer is moved from storage condition of a cold area ...

Страница 181: ...㻞㻼㻠㻼㻮㼑㼘㼠㻌㼀㼔㼑㼞㼙㼕㼟㼠㼛㼞㻿㼔㼡㼠㼠㼑㼞㻿㼛㼘㼑㼚㼛㼕㼐㻡㻼㻯㼛㼘㼛㼞㻾㼑㼓㻌㻿㼑㼚㼑㼛㼞㻰㻯㻵㻰㻹㼛㼠㼛㼞㻥㻼㻥㻼㻥㻼㻹㼛㼠㼛㼞㻙㻲㻭㻺㻔㻼㼛㼣㼑㼞㻕㻝㻢㻼㻲㻲㻯㻜㻠㻞㻜㻼㻞㻜㻼㻞㻜㻼㻞㻜㻼㻲㻲㻯㻜㻡㻲㻲㻯㻜㻢㻲㻲㻯㻜㻣㻷㻌㻸㻱㻰㻌㻴㻱㻭㻰㻯㻌㻸㻱㻰㻌㻴㻱㻭㻰㻹㻌㻸㻱㻰㻌㻴㻱㻭㻰㼅㻌㻸㻱㻰㻌㻴㻱㻭㻰㻲㻳㻲㼕㼘㼙㻙㻲㻳㻲㻳㻼㼃㻾㻌㼡㼚㼕㼠㻙㻭㻯㻰㻯㻌㻿㼣㼕㼠㼏㼔㻌㻲㼁㻿㻱㻾㼘㼛㼣㼑㼞㻙㼠㼔㼡㼜㼜㼑㼞㻙㼠㼔㼒㼞㼍㼙㼑㻙㼠㼔㼀㼔㼑㼞㼙㼛㼟㼠㼍㼠㻥㻼㻵㼚㼘㼑㼠㻭㻯㻻㼡㼠㼘㼑㼠㻲㻳㼟㼕㼐㼑㻙㼠㼔㻠㻼㻠㻼㻝㻢㻼㻡㻼㻠㻼㻡㻼㻰㼞㼍㼣㼑㼞㻯㼛㼚㼚㼑㼏㼠㼛㼞㻟㻼㻔㻞㻕㻮㼘㼍㼏㼗㻤㻼㻠㻼㻠㻼㻟㻼㻤㻼㻤㻼㻰㻯㻴㻱㻭㼀㻹㼛㼠㼛㼞㻤㻼㻠㻼㻮㼑㼘㼠㻹㼛㼠㼛㼞㻠㻼㻯㼘㼡㼠㼏...

Страница 182: ...ges is dirty all over 7 59 3 Printed pages are blank see Fig 7 2 C 7 60 3 1 A printed pages are entirely blank 7 60 4 Vertical lines are produced in printed pages 7 61 4 1 Fine lines colored see Fig 7 2 D 7 61 4 2 Fine lines white see Fig 7 2 F 7 61 5 Print quality problems appear periodically see Fig 7 2 E 7 61 5 1 Print quality problems appear vertically and periodically 7 61 6 Color misregistra...

Страница 183: ...set into the LED head holder Check the tension spring on the both sides if they are set properly Correct them so that they are properly set 1 1 3 Print media Media type Check if the media used for printing is especially thick Use standard paper Check item Check operation Actions for NG results 1 1 4 High voltage terminal ID unit terminal Visually check each ID unit high voltage terminal if it cont...

Страница 184: ...aintenance menu 2 1 2 Fuser unit Offset toner in the fuser units Visually check each fuser unit if offset toner in the previous printing adheres to them Repeat blind printing using unnecessary media until offset toner is created on print media or replace any applicable fuser unit When using a new ID unit as a try select FUSE KEEP MODE of the system maintenance menu 2 2 The white area of printed pa...

Страница 185: ...ads if they are connected properly Replace any applicable LED head Drum shaft Are drum shafts installed in a manner that they contact the side plates on both sides correctly Replace any applicable ID unit When using a new ID unit as a try select FUSE KEEP MODE of the system maintenance menu CU PU board fuse F501 C531 C331 C321 F6 C511 C301 Measure resistance values of F501 C551 C331 C321 and F6 C5...

Страница 186: ... path Check if the paper feed path reaching the fusing area have burrs that scrape unfixed toner Remove the burrs 7 5 3 5 Print quality problems appear periodically see Fig 7 2 E 5 1 Print quality problems appear vertically and periodically Check item Check operation Actions for NG results 5 1 1 Cycle Image drum Check if the cycle is 94 3 mm Replace any applicable ID unit Developing roller Check i...

Страница 187: ... 2 1 Feeding system Paper feed state in the paper feed path Check the paper feed path if there is something that blocks the paper in the paper feed path Remove the blocking object 7 Black filled in printing 7 1 Printed pages are filled in black entirely Check item Check operation Actions for NG results 7 1 1 High voltage terminal contacting state CH terminal From above the printer visually check i...

Страница 188: ...u Check item Check operation Actions for NG results 8 1 1 Limited color printing menu state Boot Menu item Select Process Setup of the Boot Menu items and check that the setting of Custom Process is Full Color See section 5 6 for information on Boot Menu Change the setting to Full Color Developing roller Ground Toner supply roller Developing blade Charging roller Fig 7 3 ...

Страница 189: ...and check if the printer responds it correctly Set the IP address SUB net mask and gateway address correctly 5 Check the utility Check OKILPR utility settings Check setting items of the OKILPR utility Set OKILPR utility settings correctly 6 Perform a check using an OS standard port Make a check using a Windows standard LPR port Set up a Windows standard LPR port and check if printing can be perfor...

Страница 190: ...e same screen is displayed when creation of a certificate has failed Solution Create a certificate by referring to the User s Manual Advanced 7 5 4 1 2 Is the SSL TLS setting set to ON Log in as an administrator and select Security and Encryption SSL TLS If the following screen is displayed a certificate has already been created but the SSL TLS setting is set to OFF Screen before creation of a cer...

Страница 191: ... in some cases by setting the encryption strength to Weak Setting the encryption strength to Weak lowers the security level To change the encryption strength refer to section 7 5 4 1 4 Confirm the encryption strength of the printer For Netscape Start the web browser and select HELP and Netscape A recommended version is Netscape 6 or higher Solution Install the latest Web browser If the version of ...

Страница 192: ...ed Refer to section 7 5 4 2 3 Is the IPP setting set to Enable 7 5 4 2 1 Has a printer been created The printer may not have been created properly To use the IPP print encryption function a printer must have been created by setting the port as URL https printer IP address ipp For details of printer creation methods refer to the User s Manual Advanced 7 5 4 2 2 Is the IPP setting set to Enable The ...

Страница 193: ...g of printer IP address only no error will occur after the IP address is changed to the original one Solution Reset the IP address of the printer to the IP address used during creation of a CSR and then install a certificate Note Do not change any printer setting while a creation process of a certificate of a certifying authority is in progress during a period from creation of a CSR to installatio...

Страница 194: ...n a client PC browser see the followings Installing an intermediate certificate or CA certificate in a client PC browser Steps 1 Double click an intermediate certificate or CA certificate issued by a certifying authority on a client PC to view them E g A Comodo intermediate certificate is in the text PEM format ComodoJapanCA Crt or binary format ComodoJapanCA cer and either format is acceptable to...

Страница 195: ... 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 When this error message appears it means that the certificate installed in the printer is self signed certificate Other possibilities are that the certificated installed in the printer is a certifica...

Страница 196: ...ased on the types of certificate so that 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 printer IP address is different from the IP address that is described on a certificate or from the IP address used when the certificate was created Solution Change the printer IP a...

Страница 197: ...ficates If SSL is enabled for self signed certificates the window shown below appears in an attempt to access the Web page and the Web page will not be displayed Web display when SSL is enabled for self signed certificates Solution The Web page is displayed by clicking Continue browsing this site not recommended on the warning screen It doesn t affect the Web page functions and the Web page can be...

Страница 198: ...r panel backlight blackout PU 5V F5 No display on the operator panel CU PU 3 3V F501 Service call 131 to 134 Blank page printing LED head 5V High voltage board ORZ board F501 Service call 121 High voltage board 24V C511 C301 Fuse Errors Fuse Name Error Description Insert Point Resistance CU PU board SOP 2 1 board F2 Servicecall128 Error08 Front fan hopping motor registration clutch hopping clutch ...

Страница 199: ...Oki Data CONFIDENTIAL 8 CONNECTION DIAGRAMS 8 1 Resistance value checking 8 2 8 2 Layout of parts 8 5 8 3 Firmware revision numbers 8 19 ...

Страница 200: ...AL 8 CONNECTION DIAGRAMS 8 1 Resistance value checking Unit Circuit diagram and composition Part drawing Resistance value Transport belt motor M 1 2 3 4 Between pins 1 and 2 3 4 Between pins 3 and 4 3 4 ID motor IP2 Both ends of IP2 1 or less ...

Страница 201: ...GRAMS Unit Circuit diagram and composition Part drawing Resistance value Fuser motor IP1 Both ends of IP1 1 or less Feed motor M 1 2 3 4 Between pins 1 and 2 3 4 Between pins 3 and 4 3 4 2nd feed motor M 1 2 3 4 Between pins 1 and 2 3 4 Between pins 3 and 4 3 4 ...

Страница 202: ...r A1 A2 Lower thermistor B1 B2 Frame thermistor A3 A4 B3 B4 Fuse 2 A5 4 3 2 1 1 3 B1 2 3 4 4 Between pins 1 and 2 Several ohms to several tens of ohms Between pins 3 and 4 Several ohms to several tens of ohms Between pins A1 and A2 Approx 590 k to 5338 k 0 to 93 C Between pins B1 and B2 Approx 104 5 k to 806 5 k 0 to 43 C Between pins A3 and A4 Approx 104 5 k to 806 5 k 0 to 43 C Between pins B3 a...

Страница 203: ...0 R24 R18 R6 Q26 Q24 Q22 Q7 Q6 Q5 Q4 POWER OPE MPC MHEAD MFAN LAN KHEAD INTH IL IDC IC18 IC17 IC15 IC13 IC11 IC10 IC5 IC4 HPSNS HOP HOC FUSER FLCS1 FAN F6 F4 F3 F2 EXIT DUPR DUC DTNR DNS DIMM DHV DCID DCHEAT D13 D3 D1 CP6 CP4 CP2 CP1 CHEAD C201 C200 C110 C109 C103 C102 C95 C88 C85 C73 C68 C64 C63 C46 C41 C40 C39 C28 C27 C26 C25 C24 BF1 BELT 2ND 9 8 1 12 4 1 4 1 3 2 7 8 2 1 143 40 38 24 2 1 1 10 2 ...

Страница 204: ...3 C714 C721 C726 C727 C728 C729 C730 C731 C732 C733 D502 D505 D506 D507 D508 D509 D510 D511 F501 IC501 IC502 IC506 IC507 IC508 IC509 IC510 Q503 Q504 Q505 Q506 Q507 Q512 Q513 Q514 Q515 Q516 Q517 Q518 Q519 Q521 R501 R502 R506 R507 R508 R509 R510 R511 R512 R513 R514 R515 R516 R517 R518 R526 R527 R529 R530 R531 R548 R549 R552 R553 R560 R566 R567 R570 R571 R572 R573 R574 R577 R578 R579 R580 R582 R587 R...

Страница 205: ...6 Q5 Q4 POWER OPE MPC MHEAD MFAN LAN KHEAD INTH IL IDC IC18 IC17 IC15 IC13 IC11 IC10 IC5 IC4 HPSNS HOP HOC FUSER FLCS1 FAN F6 F4 F3 F2 EXIT DUPR DUC DTNR DNS DIMM DHV DCID DCHEAT D13 D3 D1 CP6 CP4 CP2 CP1 CHEAD C201 C200 C110 C109 C103 C102 C95 C88 C85 C73 C68 C64 C63 C46 C41 C40 C39 C28 C27 C26 C25 C24 BF1 BELT 2ND 8 1 4 1 4 1 3 2 7 8 2 1 143 40 38 24 2 1 1 10 2 1 16 1 8 6 1 9 1 5 4 1 1 1 3 1 16 ...

Страница 206: ...3 C714 C721 C726 C727 C728 C729 C730 C731 C732 C733 D502 D505 D506 D507 D508 D509 D510 D511 F501 IC501 IC502 IC506 IC507 IC508 IC509 IC510 Q503 Q504 Q505 Q506 Q507 Q513 Q515 Q516 Q517 Q518 Q519 Q521 R501 R502 R506 R507 R508 R509 R510 R511 R512 R513 R514 R515 R516 R517 R518 R526 R527 R529 R530 R531 R548 R549 R552 R553 R560 R566 R567 R570 R571 R572 R573 R574 R577 R578 R582 R587 R588 R589 R590 R604 R...

Страница 207: ...4 DCHEAT DCID DHV DNS DTNR DUC DUPR F2 F3 F4 F5 F6 FAN HOC HOP HPSNS IC3 IC4 IC7 IC9 IC10 IC11 IC14 IC15 IDC IL INTH KHEAD L2 LAN MFAN MHEAD MPC OPE OSC1 POWER Q1 Q2 Q3 Q4 Q5 Q6 Q7 Q13 Q14 Q23 Q24 R1 R2 R3 R6 R7 R10 R11 R12 R13 R26 R27 R28 R29 R37 R38 R39 R40 R41 R46 R77 R84 R85 R86 R87 R92 R94 R95 R99 R100 R111 R112 R113 R118 R124 R125 R129 R130 R135 R136 R138 R141 R143 R145 R146 R148 R149 R150 R...

Страница 208: ...565 R564 R558 R557 R556 R554 R553 R546 R545 R533 R531 R524 R523 R520 R519 R518 R517 R509 R508 R507 R506 R505 R504 R501 Q800 Q519 Q518 Q517 Q516 Q515 Q514 Q507 Q506 Q505 Q504 Q503 IC505 IC503 IC502 D803 D802 D801 D800 D507 D506 D505 D504 D503 D502 C834 C831 C644 C639 C638 C637 C636 C635 C634 C633 C630 C627 C626 C624 C623 C622 C621 C620 C619 C618 C617 C616 C615 C614 C613 C611 C609 C569 C559 C558 C55...

Страница 209: ... DCID DHV DNS DTNR DUC DUPR F2 F3 F4 F5 F6 FAN HOC HOP HPSNS IC3 IC4 IC7 IC9 IC10 IC11 IC14 IC15 IDC IL INTH KHEAD L2 LAN MFAN MHEAD MPC OPE OSC1 POWER Q1 Q2 Q3 Q4 Q5 Q6 Q7 Q13 Q14 Q23 Q24 R1 R2 R3 R6 R7 R10 R11 R12 R13 R26 R27 R28 R29 R37 R38 R39 R40 R41 R46 R77 R84 R85 R86 R87 R92 R94 R95 R99 R100 R111 R112 R113 R118 R124 R125 R129 R130 R135 R136 R138 R141 R143 R145 R146 R148 R149 R150 R151 R152...

Страница 210: ...573 R565 R564 R558 R557 R556 R554 R553 R546 R545 R533 R531 R524 R523 R520 R519 R518 R517 R509 R508 R507 R506 R505 R504 R501 Q800 Q519 Q518 Q517 Q516 Q515 Q514 Q507 Q506 Q505 Q504 Q503 IC505 IC503 IC502 D803 D802 D801 D800 D507 D506 D505 D504 D503 D502 C834 C831 C644 C639 C638 C637 C636 C635 C634 C633 C630 C627 C626 C624 C623 C622 C621 C620 C619 C618 C617 C616 C615 C614 C613 C611 C609 C569 C559 C55...

Страница 211: ...7 D505 D506 D504 J506 R518 R526 C503 R514 R515 J502 R507 D502 D503 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 C517 C516 J514 C518 R557 R553 R555 R554 D510 FET502 FET501 R541 R542 R544 R543 R578 IC502 R569 R568 R568 R567 R566 C508 C506 C505 J513 C514 C509 R527 IC503 R533 ...

Страница 212: ...06 Q507 R816 R814 C503 C502 C501 C505 C508 R505 R504 R503 R506 C504 R736 R820 4 Toner sensor PCB FG R525 R945 R954 D501 R548 R943 R944 R952 R953 R957 R903 R906 R540 R541 IC502 R907 R908 R909 R947 R946 R916 R917 R507 R508 R552 R551 Q505 Q504 Q503 R509 R510 R923 R910 R528 R911 R912 R913 R914 R915 R542 R534 R535 R536 R537 R538 C509 C505 R904 R905 R942 R504 R505 R506 R503 R956 R955 R526 R527 R902 Q502...

Страница 213: ... 2 8 15 Oki Data CONFIDENTIAL 8 CONNECTION DIAGRAMS 5 Waste toner sensor PCB SNS A K C E 6 Color adjustment sensor PCB SNS CN1 1 5 C E A K 7 Soft Power SW 1 4 44711699 2 2 P6A CN1 2 2 44711699 FGZA2 LED501 R501 SW501 ...

Страница 214: ...58 JP4 JP41 JP34 JP33 JP52 JP5 JP14 JP84 JP17 JP16 JP15 JP9 JP50 JP27 CP2 JP72 JP27 C4 C3 D3 D12 C7 D13 CH K C8 C16 JP104 C17 C18 SB K C15 C16 DB K C13 C14 CH C C23 C24 SB C C2 C4 DB C C1 C3 CH M C21 C22 SB M C7 C8 DB M C5 C6 CH Y C19 C20 SB Y C11 C12 DB Y C9 C10 C17 C5 D11 D10 D22 D21 D14 JP103 JP91 JP86 JP99 JP98 D9 D7 D5 D8 D6 D17 D4 D23 D18 D19 D24 D20 JP90 JP102 JP107 C14 C12 C13 C15 JP45 JP7...

Страница 215: ... 17 Oki Data CONFIDENTIAL J3 16 1 1 3 1 10 J1 J2 1 4 1 3 J4 J5 8 CONNECTION DIAGRAMS 9 Low voltage power supply PCB 10 ID unit Fuse ID unit for consumables Contact point Toner low sensor PCB PRZ PCB ID unit Contact point ...

Страница 216: ...44951501TH Rev 2 8 18 Oki Data CONFIDENTIAL 8 CONNECTION DIAGRAMS 11 Transfer belt unit Fuse Transfer belt unit for consumables Transfer belt unit Relay PCB Contact point Contact point Fuse ...

Страница 217: ...ICFW 01 01 01 00 PU FW 00 04 08 2012 01 31 CheckSum F09B751B 02 44552903FY01 CU FW A7 00 NICFW 01 01 01 00 PU FW 00 04 09 2012 02 13 CheckSum EFD9CD9E C511 C301 ROM FD revision no CU F W revision no PU F W revision no NIC F W revision no Web Page Version Number of white dots marked on FLASH MEMORY ID Date of issue Notes 01 B7 00 00 01 08 01 01 01 00 01 2012 02 01 CheckSum 4C310CC9 02 B7 00 00 01 0...

Страница 218: ...the area for maintenance board indication on the CU board in accordance with the table below C531 C331 C321 A designated article number is stamped in the area for maintenance board indication on the CU PU board CLQ in accordance with the 44856201YA 1 4 2 5 3 Position of the revision number label Details of the revision number label 1 2 3 Sample 2 Revision 4 Sample 1 Revision 1 4 5 1 2 3 4 5 6 7 8 ...

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