Oki B4350 Series Service Manual Download Page 14

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42641101TH Rev.1

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Oki Data CONFIDENTIAL

1.5.3

Warning/Caution Marking

The following warning and caution markings are made on the power supply/sensor board.

ENGLISH

Heatsink and transformer core present risk of electric shock. Test before touching.

CAUTION

Summary of Contents for B4350 Series

Page 1: ...Oki Data CONFIDENTIAL B4350 B4350n Service Manual 060125A...

Page 2: ...42641101TH Rev 1 2 Oki Data CONFIDENTIAL 1 2004 04 01 ISSUE ME5 Ono Rev No Date No Corrected items Page Description of change Person in charge Document Revision History...

Page 3: ...tenance Manual describes the field maintenance methods for B4350 Monochrome LED Page Printers This manual is written for use by service persons Please note that you should refer to the Printer Handboo...

Page 4: ...2 3 10 Motor Assy 30 2 3 11 Hopping Roller Shaft Assy 31 2 3 12 Stacker Cover Assy 32 2 3 13 Registration Roller 33 2 3 14 Roller Transfer Assy 34 2 3 15 Fusing Unit 35 2 3 16 Back up Roller 36 2 3 1...

Page 5: ...ation for Troubleshooting 53 5 5 Troubleshooting Flow 53 5 5 1 LCD Status Message Problem List 53 5 5 2 LCD Message Troubleshooting 59 5 5 3 Image Troubleshooting 67 6 WIRING DIAGRAM 76 6 1 Interconne...

Page 6: ...Replacement 140 3 2 Parts Layout 141 3 3 Parts Replacement Methods 142 3 3 1 Stepping Motor Hopping 143 3 3 2 TQSB 2 PCB 145 3 3 3 Hopping Roller Shaft Assy and One way Clutch Gear 145 4 TROUBLESHOOT...

Page 7: ...1 Operator Panel LCD 1 LED 1 SW 8 Drum Motor Paper Cassette ID Unit Paper Feeding Mechanism First Tray Unit Registration Motor Hopping Motor LED Head Electrophotogarphic Processing Unit Fuser Unit Ha...

Page 8: ...Processor Paper Feeder Controller Operator Panel Power Supply Unit The printer unit configuration is shown in Figure 1 2 Figure 1 2 Upper cover Operator panel assy Stacker assy Optional board Legal u...

Page 9: ...Data CONFIDENTIAL 1 3 Optional Configuration The options shown below are available for use with B4350 These are available separately from the printer unit 1 High Capacity Second Paper Feeder 3 RS 232C...

Page 10: ...42641101TH Rev 1 10 Oki Data CONFIDENTIAL 5 SDRAM DIMM 6 Flash DIMM 4 Network Interface Board Soft NIC CARD 7 Postscript 3 Emulation DIMM i 16MB ii 32MB iii 64MB iv 128MB v 256MB i 1MB ii 8MB iii 16MB...

Page 11: ...only DL C5 A4 A5 B5 JIS A6 Applicable sizes Width 3 5 to 8 5 90 to 216 mm Length 5 8 to 14 148 to 355 6 mm Thickness Automatic feed 16 to 28 lbs 60 to 105 g m2 Manual feed Label OHP paper transparenc...

Page 12: ...where no condensation occurs In operation Power off mode During Storage Unit Temperature Humidity Maximum wet bulb temperature Minimum diference between wet and dry bulb temperatures 50 90 10 32 20 80...

Page 13: ...The safety certification label is affixed to the printer in the position described below 1 5 2 Warning Label The warning labels are affixed to the sections which may cause bodily injury Follow the ins...

Page 14: ...a CONFIDENTIAL 1 5 3 Warning Caution Marking The following warning and caution markings are made on the power supply sensor board ENGLISH Heatsink and transformer core present risk of electric shock T...

Page 15: ...i Connect the AC cord and interface cable to the printer ii Connect the AC inlet plug to the AC receptacle iii Turn on l the power switch of the printer 2 Do not disassemble the printer as long as it...

Page 16: ...and units are listed in Table 2 1 Table 2 1 Service Tools No Q ty Application Remarks Service Tools 1 2 3 4 5 6 7 8 1 1 1 1 1 1 1 1 2 2 5 mm screws 3 5 mm screws Cleans LED head No 1 100 Philips screw...

Page 17: ...unit Type 9 consumable Toner cartridge Type 9 consumable LED head Stacker cover assy View A Pulse motor main drum Pulse motor registration Pulse motor hopping Stacker cover assy Eject roller assy Reg...

Page 18: ...42641101TH Rev 1 18 Oki Data CONFIDENTIAL Upper cover unit Figure 2 2 Upper cover...

Page 19: ...Base unit Figure 2 3 Paper cassette Cassette guide L Assy Cassette guide R Assy DC fan assy Face up stacker assy Operator panel assy Power supply sensor board Low voltage High voltage sensor board Ma...

Page 20: ...2 3 8 Lower base unit 2 3 4 Operator panel assy 2 3 3 Manual feed guide assy 2 3 19 Pulse motor main drum 2 3 5 Pulse motor registration 2 3 6 Pulse motor hopping 2 3 7 Eject roller assy 2 3 9 Motor...

Page 21: ...ut the image drum unit 4 5 Remove one screw 5 and remove the I F cover 6 from the back side of the printer 6 Open the manual feed guide assy 7 Unlock the latches at two locations on the front side Lif...

Page 22: ...f the upper cover and open the stacker cover assy 1 2 Open the hook section on the left side of the head holder and remove the LED head 2 3 Remove the head cable 3 from the head connector Note Be sure...

Page 23: ...remove it 2 Remove the Sumi card operator panel 2 from the connector CN1 3 Note You can remove the operator panel assy while the upper cover installed on the unit However it is much easier to remove...

Page 24: ...assy see 2 3 14 5 Remove the connecting cables 1 2 and 3 of the pulse motors from the connectors DM RM HM of the GRV 2 PCB 1 6 Remove the LED head cables 4 from the connector HEAD 7 Remove the Thermis...

Page 25: ...CONFIDENTIAL 2 3 5 Pulse Motor Main Drum 1 Remove the upper cover assy see 2 3 1 2 Remove the lower base unit see 2 3 4 3 Remove two screws 1 and remove the pulse motor main drum 2 from the motor bra...

Page 26: ...ONFIDENTIAL 2 3 6 Pulse Motor Registration 1 Remove the upper cover assy see 2 3 1 2 Remove the lower base unit see 2 3 4 3 Remove two screws 1 and remove the pulse motor registration 2 from the motor...

Page 27: ...ta CONFIDENTIAL 2 3 7 Pulse Motor Hopping 1 Remove the upper cover assy see 2 3 1 2 Remove the lower base unit see 2 3 4 3 Remove two screws 1 and remove the pulse motor hopping 2 from the motor brack...

Page 28: ...ker Assy 1 Remove the upper cover assy see 2 3 1 2 Remove the operator panel assy see 2 3 3 3 Remove three screws 1 and remove both the shield plate 2 and face up stacker 3 together 4 Unlock the latch...

Page 29: ...operator panel assy see 2 3 3 3 Remove the face up stacker assy see 2 3 8 4 Remove the stacker cover assy see 2 3 12 5 Disengage the eject roller assy 1 from the lower base 2 by pressing the latch sec...

Page 30: ...move the operator panel assy see 2 3 3 3 Remove the face up stacker assy see 2 3 8 4 Remove the lower base unit see 2 3 4 5 Stand the lower base unit on its side as shown and unlock two latches then r...

Page 31: ...sy see 2 3 3 3 Remove the face up stacker assy see 2 3 8 4 Remove the lower base unit see 2 3 4 5 Remove the motor assy see 2 3 10 6 With the lower base unit 1 standing on its side remove the one way...

Page 32: ...rew detach the reset spring 2 from the lower base unit 3 turn the reset lever L 4 in the direction of arrow A until it stops and remove it in the direction of arrow B 7 Unlock two latches of the lower...

Page 33: ...de remove the one way clutch gear 2 and the bearing 3 8 Remove the Registration Gear by unloking the latch of the Gear 4 9 Remove the Registration Bearing L 5 10 Press the registration roller 6 in the...

Page 34: ...ckingtwolatchesofthebearingTR neverapplyexcessive force when unlocking the latch and slide the roller transfer assy left to remove the gear from the bracket 5 Lift the right side of the roller transfe...

Page 35: ...2 of the thermistor from the hooks of the lower base 7 Remove four screws 3 lift and remove the fusing unit 4 Caution Fusing unit may be hot Use care when handling Notes 1 When reinstalling or removin...

Page 36: ...Remove the fusing unit assy see 2 3 15 2 Lift the left side of the back up roller 1 and pull it out to the left side at this time two bearing Holders back up 2 and the bias springs back up 3and the t...

Page 37: ...se unit see 2 3 4 5 Unlock the latch at the left side of the paper guide R 1 and remove the paper guide R 1 6 Press the clamps of three sensor plates inlet and paper 2 and remove them by pressing them...

Page 38: ...3 3 Remove the eject roller assy see 2 3 9 4 Remove the face up stacker assy see 2 3 8 5 Remove the lower base unit see 2 3 4 6 Remove the fusing unit assy see 2 3 15 7 Press the clamps of the sensor...

Page 39: ...ssy see 2 3 1 2 Open the manual feed guide assy 1 and release the engagement on both sides with the main unit by carefully bending the manual feed guide assy 1 Note When remounting verify the proper t...

Page 40: ...he upper cover assy see 2 3 1 2 Remove the operator panel assy see 2 3 3 3 Remove the face up stacker assy see 2 3 8 4 Remove the lower base unit see 2 3 4 5 Press the clamps of the sensor plate paper...

Page 41: ...ove the lower base unit see 2 3 4 5 Remove three screws 1 and two screws 2 6 Remove the connector FAN and disconnect the fan motor 3 7 Remove the three connectors PW_1 PW_2 and HVIF 8 Remove the GRV 2...

Page 42: ...om power supply board6 and CN1 from high voltage sensor board 0 7 Remove ten screws 7 and remove the power supply board 6 and high voltage sensor board 0 8 Remove the Insulation plate 8 from the base...

Page 43: ...the paper cassette 2 Remove the upper cover assy see 2 3 1 3 Remove the lower base unit see 2 3 4 4 Remove two screws 1 and remove the beam plates 2 5 Remove the cassette guide L Assy 3 by shifting it...

Page 44: ...r cassette 2 Remove the upper cover assy see 2 3 1 3 Remove the lower base unit see 2 3 4 4 Remove two screws 1 and remove the beam plates 2 5 Remove the cassette guide R Assy 3 by shifting it in the...

Page 45: ...gory SYSTEM CONFIG MENU Enable Disable Set to Disable Category SYSTEM CONFIG MENU of User Menu is not displayed Sets Category PCL EMULATION MENU Enable Disable Set to Disable PCL EMULATION MENU of Use...

Page 46: ...enters System Maintenance Menu when the power supply switch is turned ON while the Menu Item Value Cancel switches are held down Function There are functions as follows Functions Sets brands JPOEM1 J...

Page 47: ...e test engine test This mode can be ended by pressing the ONLINE SW Following this operation the power turns off thus the printer cannot return to either operation mode or any of other maintenance mod...

Page 48: ...ough a DOT SHIFT setting menu exists in a system maintenance menu since setting value preservation area is arranged at PU EEPROM AREA even when the system maintenance menu item is initialized a DOT SH...

Page 49: ...Download 3 2 1 Uploading Downloading EEPROM data When the controller printed circuit board is replaced the contents of the old EEPROM shall be copied to the new EEPROM on the new board to preserve cu...

Page 50: ...void light printing are generated vertically down the page as shown below Note The LED lens array must be cleaned with an LED head cleaner included in the replacement toner kit Part name Condition fo...

Page 51: ...one character width at a time from right to left LETTER on the lower line may instead be A4 depending on the printer designation When the above messages appear on the LCD the user can verify that the...

Page 52: ...e printer being run in proper ambient conditions 2 Are supplies toner and routine replacement part image drum cartridge being replaced properly 3 Is the printing paper normal acceptable quality 4 Is t...

Page 53: ...shooting Flow Shouldtherebeaproblemwiththeprinter carryouttroubleshootingaccordingtothefollowingprocedure flow 5 5 1 LCD Status Message Problem List ERROR CODES The status and problems which may be di...

Page 54: ...ns in Buffer Waiting for data to follow Printer is printing Printing a copy kkk indicates the number of sheet being printed lll indicates the total number of sheets that have been printed The display...

Page 55: ...the same time by cover open close presses ON LINE switch A status code is set to 10060 in the state of CHG DRUM inde pendent warning Demo page printing Fonts sample printing Menu map printing File li...

Page 56: ...rinter recovers when the user opens and closes the cover or he presses the ON LINE switch but this message is displayed for each sheet ejected During Change Drum Alarm however CHG DRUM the lower line...

Page 57: ...perly The cover is open UPPER Stacker Scroll display Downloading via NIC The download status is indicated in the bottom line Refer to the Network specifications for details NIC related Network error h...

Page 58: ...erved No page at PPOUT Illegal function call Parameter error EM Null page cargo EM Null page EM No video queue EM Illegal sequence Machine check Exception DSI Exception ISI Exception Alignment Excepti...

Page 59: ...o deal with them 1 2 3 4 5 6 Trouble The printer does not work normally after the power is turned on Jam alarm Paper size error Fusing unit error SSIO Synchronous Serial Input Output error I F timeout...

Page 60: ...Yes Is 3 3 V being applied between Pins 5 GND and 8 of IC13 Pin 5 0 V Pin 8 3 3 V No Replace the main control board Yes Is the flexible cable for the operator panel assy being connected to the LCDPNL...

Page 61: ...te Yes Clean the inlet sensor on the high voltage sensor board or replace the high voltage sensor board No Replace the hopping roller rubber or paper cassette No Is the hopping roller rotating Yes Set...

Page 62: ...idge being set properly No Set the image drum cartridge properly Yes Has the paper reached the outlet sensor plate Yes Is the operation of the outlet sensor plate normal moves freely when it is touche...

Page 63: ...he outlet sensor plate Yes Remove the paper No In the operation of the outlet sensor plate normal moves freely when it is touched No Replace the outlet sensor plate Yes Clean the outlet sensor on the...

Page 64: ...eorcleantheinletsensoronthehighvoltage sensorboard Yes Does the outlet sensor plate operate properly moves freely when it is touched No Replace the outlet sensor plate or clean the outlet sensor on th...

Page 65: ...r is connected to the main control board connector No Connect the thermistor connector property Yes Is the heater of the fusing unit turned on when the heater is turned on light is emitted Yes Check t...

Page 66: ...y No Connect the cable properly Yes Replace the main control board Has the problem been solved No Check the problem by following the Multi Purpose Feeder maintenance manual ofAppendixFortheHighCapacit...

Page 67: ...ckground density Figure 5 3 B Blank paper is output Figure 5 3 C Black vertical belts or stripes Figure 5 3 D Cyclical defect Figure 5 3 E Prints voids Poor fusing images are blurred or peels off when...

Page 68: ...e a proper contact with the high voltage sensor board and shaft of the transfer roller Yes Are the contact of the developing roller and the contact of the toner supply roller of the image drum cartrig...

Page 69: ...contact with the contact assembly Yes Replace the image drum cartridge Has the problem been solved Yes End Note After replacing the image drum cartridge reset the drum counter see User s Manual No Rep...

Page 70: ...Replace the main control board or high voltage sensor board 5 Cyclical defect Notes After replacing the image drum cartridge reset the drum counter see User s Manual Frequency Remedy Image drum Develo...

Page 71: ...ring Yes Are the contacts of the toner supply roller developing roller image drum and charging roller in proper contact with the contact assy see Figure 5 4 A B C D E No Adjust the contacts so that th...

Page 72: ...specified grade Yes Is the tension between the back up roller 7 52kg and the surface of back up roller normal No Replace the back up roller or bias spring Yes Is the connector of the fusing unit assy...

Page 73: ...es End No Is the tension between the back up roller 7 52kg and the surface of back up roller normal No Replace the back up roller or bias spring Yes Is the LED head being installed properly check HEAD...

Page 74: ...1101TH Rev 1 74 Oki Data CONFIDENTIAL Figure 5 4 Contact s C h a r g e R o ll e r G ro u n d D ru m C l e a n i n g R o l l e r D e v e l o p i n g R o l l e r T o n e r S u p p l y R o l l e r E D C...

Page 75: ...42641101TH Rev 1 75 Oki Data CONFIDENTIAL Figure 5 5 Contact High voltage sensor board Contact plate for transfer roller...

Page 76: ...GND CH S5 S6 S7 S8 S9 S10 S11 1 1 1 1 RAM DIMM RAM DIMM 1 LCDPNL CN HEAD THERM High Voltage Output Pulse Motor Hopping Pulse Motor Registration Pulse Motor Main FAN Centronics I F Network Board Netwo...

Page 77: ...1 77 Oki Data CONFIDENTIAL 6 2 PCB Layout and Connector Signal List 1 Main Control Board GRV 2 PCB LED Head Printer front side Printer front side Contact face Contact face 1 26 14 1 Operator panel Pri...

Page 78: ...42641101TH Rev 1 78 Oki Data CONFIDENTIAL 2 Power Supply Board High Voltage and Sensor Board CN2 CN1 CN1 SW2 PS2 PS1 PS3 PS4 PS5 PS6...

Page 79: ...K P HDCLK N SG HDLD HDSTB1 HDDATA3 HDDATA2 HDDATA1 HDDATA0 HDSTB0 HDSTB3 HDSTB2 3 3V 0VPHD HEAD 0VPHD HEAD 0VPHD HEAD 0VPHD HEAD 0VPHD HEAD Ground for Logic Clock Clock Ground for Logic Load Hsync CSN...

Page 80: ...I O C O O O O O O I I Signal Function 5V LED P SW DATA1 SW DATA0 LCD_D3 SG LCD_D2 LCD_D1 LCD_D0 LCD_IRN LCD_WRN LCD_E SW DATA2 SW DATA3 5V LED ON Switch Data 1 Switch Data 0 LCD Data 3 Ground LCD Data...

Page 81: ...onnector Pin Assignment To 2nd Tray 8 7 4 6 1 2 3 4 5 6 7 8 O O O I C O C O Signal Function OPPAP N OPSCK N OPSD N OPSDP N OVP 38V SG 5VA Paper Sensor 1 Clock Data OPT send data Analog Ground 38V Logi...

Page 82: ...M SG TRI_FB TRV_FB DB2_V_FB CHI CH_V_FB DB_I SB_V_FB SG CHPWM P DB2PWM TR2PWM P TR1PWM P 5V 5V SG SG OUTSNS N CVOPN N Write Sensor Paper Sensor 1 Toner Sensor Paper Sensor 2 Paper Out Sensor Ground SB...

Page 83: ...0VPHD 0VPHD HEAD HEAD 38V 38V Analog Ground Analog Ground Ground for LED Ground for LED 5V for LED 5V for LED PIN NO I O I In O Out C Common 1 2 3 4 5 1 2 3 4 5 C C I I O Signal Function SG SG 5V 5V...

Page 84: ...55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 I O C C I O I O I O I O I O I I O I O I O I O I O I O C C I O I O I O I O I O I O I O I O I O I O I O I O I O I O I I C C...

Page 85: ...DATA0 P DATA1 P DATA2 P DATA3 P DATA4 P DATA5 P DATA6 P DATA7 P ACK N BUSY P PE P SEL P AUTOFEED N NC SG FG 5VA Function Strobe Data0 Data1 Data2 Data3 Data4 Data5 Data6 Data7 Acknowledge Busy Paper E...

Page 86: ...or Pin Assignment To Hopping Motor 1 2 3 4 1 2 3 4 O O O O Signal Function RMPH1 P RMPH1 N RMPH2 P RMPH2 N Coil 1 P Coil 1 N Coil 2 P Coil 2 N PIN NO I O O Out RM Connector Pin Assignment To Resistrat...

Page 87: ...8 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 I O I O I O C C O I O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O C Signal DBUS0 D...

Page 88: ...o 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 I O O O C C O O O O O O C O O O O I O O I O I O I O I O I O I O O I O I O I O I O I O I O...

Page 89: ...Black M 1 2 3 4 Unit Registration motor Main drum motor Hopping motor Circuit Diagram Illustration Resistance Between Pins 1 and 2 7 9 Between Pins 3 and 4 7 9 Between Pins 1 and 2 8 6 Between Pins 3...

Page 90: ...FIDENTIAL Unit Fusing unit Fan Circuit Diagram Illustration Resistance Red Black 30 V 1 FANALM N 3 0 V 2 M 1 2 3 4 Thermostat Heater Thermistor Between Pins 1 and 2 120V 2 240V 7 Between Pins 3 and 4...

Page 91: ...vided 3 Interface signal Pin No Signal name Abbreviation Signal direction Functions 1 Frame Ground FG Frame Ground 2 Transmitted Data TD PR Transmitted Data 3 Received Data RD PR Received Data 4 Reque...

Page 92: ...uit 14C232 or equivalent INPUT OUTPUT 3V 3V 9V 9V OUTPUT 45 ns 55 ns 14C232 or equivalent INPUT OUTPUT 3V 3V INPUT 12V 12V b Sending Circuit Note The signal levels described above is for the case wher...

Page 93: ...y to display the item on the LCD to set up Press VALUE key to display the value on the LCD to set up Press SELECT key and display mark on the right side of the value By pressing the ON LINE key menu s...

Page 94: ...o parity Even parity Odd parity DATABITS PARITY Ready Press the ITEM key Item Minimum BUSY Time Contents of Display Function 200 m SEC 1 SEC Factory Setting 200 m SEC 200 ms 1 sec 1000 ms PCL only MIN...

Page 95: ...Ready Press the ON LINE key Setting completed ON LINE XXX XXX PCL AUTO PSE HEX DUMP PRR or FX Ready OFF REC Item RS232C I F OFF LINE RECEIVE Contents of Display Function ENABLE DISABLE ENABLE DISABLE...

Page 96: ...Daiichi Denshi CN AX05841A36AT made by Ougat or equivalent Cable side 36 pin plug Type 57 30360 made by Daiichi Denshi or equivalent Plug 552274 1 AMP 552073 1 AMP or equivalent 2 Cable Cable length 6...

Page 97: ...0V 5V 0V INPUT PRIME FAULT SELECT IN 10 PR PR PR PR PR PR PR PR PR PR Parallel data sampling strobe PR Parallel input and output data During print processing or alarm End of paper Select state ON LINE...

Page 98: ...put prime Receive buffer Control Compatibility mode Nibble mode ECP mode 8 bits in the compatibility mode Valid Invalid 0 1M 0 2M 0 5M Bytes Handshaking control is performed in each mode Data received...

Page 99: ...H L H L H L H L Printer Status PError nAck Busy nFault Select Printer Status Power OFF Initializing H W Initializing F W DISABLE Power ON PError H L nAck H L Busy H L nFault H L Select H L nStrobe H...

Page 100: ...fer Canceling Job Idle I F Initialization nInit H L Busy 3 MICRON SEC H L T INIT Menu Setting I PRIME T INIT 2 0 s 50 MICRON SEC 33 3 s Idle Off line On line Notice of Transition to Off line Notice of...

Page 101: ...ansition to Paper End Notice of Transition to On line H L H L H L H L Printer Status Busy PError nFault Select Idle Warning On line Notice of Transition to Warning Notice of Transition to On line H L...

Page 102: ...y contents of the LCD of the operator panel by using the ITEM and ITEM keys Settings are retained even when the printer power is turned off By pressing the ON LINE key menu setting mode is completed a...

Page 103: ...CP Mode Contents of Display Function ENABLE DISABLE ENABLE DISABLE Factory Setting ENABLE Ready ACKWIDTH Item ACK Width in compatible Contents of Display Function NARROW MEDIUM WIDE 0 5 s 1 0 s 3 0 s...

Page 104: ...isplay Function 3 SEC 50 SEC DISABLE Enabled with the 3 s nlnit signal Enabled with the 50 s nlnit signal DISABLE Factory Setting DISABLE XXX PCL AUTO PSE HEX DUMP PRR or FX Press the ITEM key Ready O...

Page 105: ...Series B Plug 2 Cable Cable Length Max 5m A cable must be met USB Spec Rev 1 1 for normal operation Note Cable is not provided 3 Table of USB I F signals Contact Signal Name Number 1 Vbus 2 D 3 D 4 GN...

Page 106: ...max Differential 0 Differential 1 Differential 1 Differential 0 D VIHZ min and D VIL max D VIHZ min and D VIL max Data K state Data lines switch from Idle to K state SE0 for 1 bit time1 followed by a...

Page 107: ...vice Connect Detection VOH min VIH min VIL max VOL max VSS Bus Idle Bus Idle Bus Floats Bus Driven to J State at end of EOP Last Bit of Packet SE0 Portion of EOP SOP First Bit of Packet VOH min VIH mi...

Page 108: ...ints Crossover Point Extended Differential Data Lines Diff Data to SE0 Skew N TPERIOD TxDEOP TPERIOD TxJR TxJR1 TxJR2 Differential Data Lines Consecutive Transitions N TPERIOD TxJR1 Paired Transitions...

Page 109: ...to set up Press VALUE key to display the value on the LCD to set up Press SELECT key and display mark on the right side of the value By pressing the ON LINE key menu setting mode is completed and the...

Page 110: ...C Item USB I F OFF LINE RECEIVE Contents of Display Function ENABLE DISABLE ENABLE DISABLE Factory Setting DISABLE Item Sets Soft Reset command Contents of Display Function ENABLE DISABLE ENABLE DISAB...

Page 111: ...Test in the system maintenance mode The codes transmitted from the TD signals are comparatively checked with the data received from the RD signals If any error occurs the error message is displayed on...

Page 112: ...returns to the first category after updating the last category in a loop Press the Enter key to execute the function being displayed To exit from any of these modes during a category display press th...

Page 113: ...ory INFORMATION MENU Enable Disable PRINT ENABLE PRINT DISABLE Press the Value or Value key Sets Category PRINT MENU En able Disable MEDIA ENABLE MEDIA DISABLE Press the Value or Value key Sets Catego...

Page 114: ...exclude disable the total number of printed pages counted at the engine block at the time of menu printing 6 Emulate Emulate determines the default PDL for each brand 7 Loop Test The loop test is for...

Page 115: ...tem key Press the Item or Item key Press the Item or Item key Press the Select key Press the Select key Press the Value or Value key Formats flash ROM Changes operater panel Type1 or Type2 Same as Pow...

Page 116: ...0 0mm 0 5mm 3 5mm MPF 0 0mm 4 0mm 0 5mm 0 0mm 0 5mm 3 5mm MANUAL 0 0mm 4 0mm 0 5mm 0 0mm 0 5mm 3 5mm A B Sets dot shift in the horizontal direction Press the Value or Value key Press the Value or Valu...

Page 117: ...ime Do not change the default setting 3 Printing Start Position Setting Sets the printing start position 4 Length Shift 5 Dot Shift 6 Drum Count Total Display Displays on the LCD the total number of d...

Page 118: ...the amount to TOF position Press the Value or Value key 0 mm 0 5mm 3 5mm 4 0mm 0 5mm LENSHIFT 0 mm Sets image stretch shrink correction Micro tuning in LSYNC cycle Press the Value or Value key DRUM C...

Page 119: ...or the Multi Purpose Feed er Press the Value or Value key CH ADJ DISABLE CH ADJ ENABLE Sets CH s voltage setting adjustment logic Enable Dis able Press the Value or Value key SB2 ADJ DISABLE SB2 ADJ E...

Page 120: ...un ning print evaluation at factory Press the Value or Value key PRT DUTY 1 1 1 1 1 10 1 20 1 50 Sets Duty for motor accelera tion testing at factory Press the Value or Value key MODE 00 00 01 02 FD F...

Page 121: ...s Paper that can be used Paper Type Standard paper Xerox 4200 20 lb Special paper OHP sheets for PPC Label sheets PPC sheets use of envelopes or thick paper is not possible Cut sheet size A4 A5 B5 Let...

Page 122: ...hopper into the printer through the turning of the hopping roller and feed roller Once delivered into the printer the paper is then controlled and fed through by pulse motor registration of the print...

Page 123: ...do not disassemble any more than necessary 4 Only specified service tools may be used 5 Disassembly must be carried out according to the prescribed procedures Parts may be damaged if such procedures...

Page 124: ...rts Layout This section describes the layout of the main components Figure 3 1 Guide R 2nd Assy includes stepping motor and GRT PCB Stepping Motor Guide L 2nd Assy Hopping Frame Assy One way Clutch Ge...

Page 125: ...cement Methods This section describes the parts replacement methods for the components listed in the disassembly order diagram below High Capacity Paper Feeder Stepping motor hopping 3 3 1 GRT PCB 3 3...

Page 126: ...r plate 3 Remove two screws 5 and remove the hopping frame assy 6 4 Remove the front cover assy 4 off the guide boss on the guide L 2nd assy 7 by bending the guide L 2nd assy 7 in the direction of arr...

Page 127: ...I on the guide R 2nd assy 0 and pull out the hinge stand J 9 Remove three remaining screws K which are keeping the motor on the motor bracket L and remove the connector off the Stepping Motor M 10 Rem...

Page 128: ...1 and remove the hopping frame assy 2 Remove the screw 1 and remove the earth plate 2 Remove the sensor lever T 7 and remove the transion spring D and remove the ground plate 6 Remove the gear 3 and...

Page 129: ...e user 3 Go through checking in the conditions similar to that in which the problem occurred 4 2 Preparations for the Troubleshooting 1 Display on the Operator panel The status of the problem is displ...

Page 130: ...roll disply Notifies of no paper state of the High Capacity Second Paper feeder Scroll disply Notifies of correct paper size for the High capacity Second Paper Feeder Scroll disply OPEN UPPER COVER PA...

Page 131: ...Is the sensor plate inlet operating normally NO Replace the sensor plate inlet YES Clean the inlet sensor on the power supply sensor board or replace the power supply sensor board or inlet sensor NO R...

Page 132: ...TOR M Stepping motor 2 M T3 1 M T4 4 M T1 3 M T2 PU To Printer OPTPSIN N OPTSCLK N OPTSD P OPTSDR N OVP 30V OVL 5V 1 2 3 4 5 6 7 8 5 CONNECTION DIAGRAM 5 1 Interconnection Diagram CONTROLLER MOTOR DRI...

Page 133: ...42641101TH Rev 1 150 Oki Data CONFIDENTIAL Figure 6 1 High Capacity Second Paper Feeder 1 2 4 3 5 6 6 PARTS LIST...

Page 134: ...Capacity Paper Feeder No Description OKI J Part No Q ty Remark Hopping roller shaft assy One way clutch gear Pulse motor GRT PCB Cassette assy 2nd tray DIN8P DIN8P Connector Cord 1 2 3 4 5 6 1 1 1 1...

Page 135: ...42641101TH Rev 1 152 Oki Data CONFIDENTIAL 2nd Tray ASSEMBLY SECTION1 CABINET CASSETTE ASSEMBLY SECTION1 CABINET CASSETTE ASSEMBLY SECTION2 MECHANICAL ASSEMBLY...

Page 136: ...42641101TH Rev 1 153 Oki Data CONFIDENTIAL SECTION1 CABINET CASSETTE ASSEMBLY 5 6 3 2 4 7 8 28 28 1 29 29 i i...

Page 137: ...42641101TH Rev 1 154 Oki Data CONFIDENTIAL SECTION2 MECHANICAL ASSEMBLY 21 9 11 10 12 13 23 22 27 14 24 iii ii 15 16 17 19 18 20 A A B C C B 26 25...

Page 138: ...3 3 3 6 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 6 3 3 3 3 3 6 1000 5 5 5 5 6 12 5 5 6 5 5 5 5 5 6 5 5 5 5 6 6 6 12 6 6 6 6 6 12 1PP4122 1401P001 3PA4122 1370G001 1PA4122 1369G001 3PA4122 1371G001 50107304 533...

Page 139: ...ontact No Plug Jack Polarity 1 2 3 4 5 6 7 8 Power feeder3 Power feeder3 Send Receive Receive Send Power feeder2 Power feeder2 Receive Send Send Receive Power feeder2 Power feeder2 5 Physical dimensio...

Page 140: ...ration HTTP Telnet FTP NetBEUI SNMP DHCP BOOTP RARP AutoIP DNS UPnP SLP WINS NCP SNMP NBP Etc TCP IP ICMP ARP UDP NetBIOS SPX IPX SAP RIP ELAP AARP DDP AEP ZIP RTMP ATP 7 TCP IP a Support OS SunOS 4 1...

Page 141: ...the data file to be printed The number of character strings of this command varies according to the number of volumes Not supported Name of the file to be deleted with completion of printing Number o...

Page 142: ...en the idle time of the connected clients expires Item Factory default Setup range Description HTTP Version 1 0 1 0 Indicates the version of the HTTP being im plemented d Telnet Telnet is an applicati...

Page 143: ...Print Server Name Printer Name Job Time out Description Indicates the number of print servers which can be connected simultaneously Each print server need not be started in advance Even when the print...

Page 144: ...print server name can be registered up to a maximum of 31 characters The default xxxxxx of the print server name is set to the lower three bytes of the MAC address of the print server Overseas Olxxxxx...

Page 145: ...NetBEUI a Support OS Windows95 98 WindowsNT4 0 Windows2000 b NetBIOS Item Description Initial recognition Flash Down Load PJL command response Executes the processing of finding out the printer by th...

Page 146: ...nvalid Name of the zone to which the printer belongs Name of the printer Network valid invalid Frame type TCP IP valid invalid IP address IP subnet mask Default gateway Netware valid invalid Netware m...

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Page 149: ...ensor Plate Inlet 29 40771401 Lever Eject Sensor Assembly 30 41027701 Sensor Wire Assembly 31 42468801 Toner Sensor Adhesion 32 51010903 Diselectrification Bar Shaft 33 52203802 Diselectrification Fil...

Page 150: ...13p 5P 8p 72 42283501 Fan Motor 42209604 Cassette Assy Paper Beige 42209605 Cassette Assy Paper Black 74 42146201 Plate Guide 75 42146901 Plate Shield 42146801 Face Up Stacker Assy Beige 42146802 Face...

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Oki B4350 Series, Service Manual

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