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Chapter 1
%1. Configuration

1. CONFIGURATION
1.1 System Configuration
OL1200 consists of control and engine blocks as the standard configuration (See Figure 1-1.) In addition,
the following options are also available.

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Содержание OL1200ex

Страница 1: ...er 1 1 Configuration 1 CONFIGURATION 1 1 System Configuration OL1200 consists of control and engine blocks as the standard configuration See Figure 1 1 In addition the following options are also avail...

Страница 2: ...1 2 Printer Configuration The printer unit consists of the following hardware components Electro photographic processor Paper feeder Controller Operator panel Power sensor board Figure 1 2 shows the...

Страница 3: ...ional Configuration The options below are available for use with OL1200 They are sold separately from the printer unit 1 Power Envelope Feeder 2 High Capacity Second Paper Feeder 3 Font Card 4 RAM mod...

Страница 4: ...HP paper transparency Envelope 6 Printing speed First print 12 sec Continuous print 12 sheets min Warm up time 90 sec at room temperature 77 F 25 C and rated voltage 120 VAC 7 Paper feed method Automa...

Страница 5: ...1 5 Safety Standards 1 5 Safety Standards 1 5 1 Certification label The safety certification label is affixed to the printer in the position below...

Страница 6: ...1 5 2 Warning Label 1 5 2 Warning label The warning label is affixed to the portion which may cause an injury to human body Follow the instructions on warning labels during maintenance...

Страница 7: ...ost I F decodes and edits the data and stores the edited data in a memory After completing edition of one page of data it references the font memory and generates bit data on the same memory At the sa...

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Страница 9: ...ming Monitoring of paper running and paper size Serial I O port Control of operator panel EEPROM and options I O port Inputting outputting of sensor signal and motor signal Option I O interface Contro...

Страница 10: ...ode can be selected using the menu If the busy state of the printer continues for a long time period the buffer near full control releases the busy status at constant intervals even if the host side i...

Страница 11: ...the LAN connection expansion board Any expansion boards compatible with this interface can be mounted on the Control board without modifying the program at the printer side The conceptual diagram of...

Страница 12: ...circuit This circuit generates the following voltages necessary for electro photographic processing from 30 V according to the control sequence from the control board When cover open state is detected...

Страница 13: ...r 2 Detects the form width ON A4 or larger OFF Smaller than A4 Paper sensor Detects the leading part of the paper Supervises the paper running state ON Paper exists OFF No paper exists Outlet sensor S...

Страница 14: ...Relay Driver Board Aolc Board 2 3 Relay Driver Board AOLC board This board relays signals between the Control board and the Power Sensor board and includes the registration motor and drum motor drive...

Страница 15: ...xcited by the signal from the control board It drives the registration roller 4 Drum motor This drum motor is a pulse motor of 48 steps rotation that is two phase excited by the signal from the contro...

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Страница 17: ...s attracted to the electrostatic latent image by static electricity making the image visible At the same time the residual toner on the image drum is attracted to the developing roller by static elect...

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Страница 19: ...way bearing so that turning each of these gears in reverse direction will not be transmitted to the corresponding roller a Hopping 1st tray 1 Rotating the pulse motor in the direction a Clock wise dir...

Страница 20: ...ll not rotate due to the one way bearing A cam to push down the front feeder plate is attached on each of the ends of the hopping roller shaft These cams push down the front feeder plate when the hopp...

Страница 21: ...2 After turning on the inlet sensor the paper advances further by a predetermined length until it hits the registration roller The skew of the paper can thus be corrected...

Страница 22: ...ng the pulse motor drives the registration roller The registration roller advances the paper until it comes out of the registration roller When leading edge of the paper causes the paper sensor to tur...

Страница 23: ...3 Charging 3 Charging Charging is effected by applying a DC minus voltage to the charge roller that is in contact with the image drum surface...

Страница 24: ...emitted from the LED head irradiates the image drum surface with negative charges The surface potential of the irradiated part of the image drum drops thereby forming an electrostatic latent image ass...

Страница 25: ...ge is generated between the developing roller and the toner allowing the toner to be attracted to the developing roller The developing roller surface is charged positive and the toner negative 2 The t...

Страница 26: ...is applied to the paper from its reverse side The application of a high positive voltage from the power supply to the transfer roller causes the positive charge induced to the transfer roller surface...

Страница 27: ...g incorporates a 400W heater Halogen lamp which heats the heat roller A thermistor which is in contact with the heater roller regulates the heater roller at a predetermined temperature about 185 188 C...

Страница 28: ...8 Cleaning 8 Cleaning After the end of the transfer residual toner on the image drum is attracted to the cleaning roller temporarily by static electricity to clean the image drum surface...

Страница 29: ...e following cases In warming up at power on time In warming up after the cover is opened and closed When the number of accumulated sheets is 10 or more and the printout operation ends Changes in bias...

Страница 30: ...e paper does not pass over the paper sensor within a predetermined distance after the leading edge of the paper has passed over the paper sensor The leading part of paper does not reach the outlet sen...

Страница 31: ...r board is turned off to cut the supply of 30V to the high voltage power supply circuit As a result all high voltage outputs are interrupted At the same time the CVOPN signal is sent to the control bo...

Страница 32: ...ull state The stirring bar rotates due to the interlocking with the stirring gear Even when the magnet on the stirring bar reaches the maximum height since the other side is being dipped in the toner...

Страница 33: ...oner Low is established When the toner full state is detected 2 times consecutively Toner Low is cancelled When there is no change with the toner sensor for 2 cycles 5 8 sec x 2 or more then the Toner...

Страница 34: ...2 8 Stacker Full Detection 2 8 Stacker full Detection The sensor lever at the paper outlet to the stacker detects a stacker full state about 250 sheets and stops printing of the ensuing pages...

Страница 35: ...erlocked with the paper guide of the paper cassette When the paper cassette is inserted into the printer the state of the tab pieces is detected by the microswitch to recognize the paper size State of...

Страница 36: ...Replacement 3 PARTS REPLACEMENT The section explains the procedures for replacement of parts assemplies and units in the field Only the removal procedures are explained here Reverse the procedure for...

Страница 37: ...AC cable 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 try disassembly as long as the printer is operatin...

Страница 38: ...Service Tools Service Tools Table 3 1 shows the tools required for field replacement of printed circuit boards and units Table 3 1 Service Tools...

Страница 39: ...3 2 Parts Layout 1 4 3 2 Parts Layout 1 4...

Страница 40: ...Parts Layout 2 4 Parts Layout 2 4...

Страница 41: ...Parts Layout 3 4 Parts Layout 3 4...

Страница 42: ...Parts Layout 4 4 Parts Layout 4 4...

Страница 43: ...3 3 How To Change Parts 3 3 How to Change Parts This section explains how to change parts and assemblies appearing in the disassembly diagram below...

Страница 44: ...stic bag shipped w printer 3 Open the face up stacker Assy 8 Disconnect the engagement at the left and right protrusions 8A Remove the face up stacker Assy 8 Flex the Assy 8 in the middle to disengage...

Страница 45: ...ove the side cover L Assy see 3 3 1 1 to 4 3 Remove two screws 1 Remove the contact plate cover 2 and the contact Assy 3 Pull bottom of Assy 3 out first then the top of Assy Remove fan connector cable...

Страница 46: ...or 3 3 3 DC fan motor 1 Turn the AC power switch off Unplug the AC power cord from the outlet 2 Remove the side cover L Assy see 3 3 1 1 to 4 3 Unplug the connector of the DC fan motor 1 and remove th...

Страница 47: ...Assy 1 Turn the AC power switch off Unplug the AC power cord from the outlet 2 Open manual feed hopper Assy 1 Disengage the lower portion of this Assy 3 Hold manual feed hopper Assy 1 vertically and r...

Страница 48: ...AC power cord from the outlet 2 Remove interface cable 1 3 Open stacker cover 2 Remove two screws 3 Remove I F cover Assy 4 4 Remove two screws 5 and flexible cable 6 use care to not damage flexible c...

Страница 49: ...lug the AC power cord from the outlet 2 Remove side cover R see 3 3 5 3 Remove five screws 1 and eight connectors 2 Remove AOLM PCB 3 4 Remove two screws 4 Remove IC card cover 5 5 Remove four screws...

Страница 50: ...t 2 Remove the rear cover see 3 3 1 3 Remove the side cover R see 3 3 5 4 Remove the side plate R see 3 3 6 1 to 5 5 Disconnect the backup roller release lever 1 with the protrusion on the out side su...

Страница 51: ...3 3 8 Damper 3 3 8 Damper 1 Turn the AC power switch off Unplug the AC power cord from the outlet 2 Remove the damper arm see 3 3 7 3 Remove two screws 1 and then remove two dampers 2...

Страница 52: ...Unplug the AC power cord from the outlet 2 Remove the stacker cover Assy see 3 3 7 3 Remove four screws 1 Remove stacker mount 2 by releasing the tabs at position 2A 4 Remove stacker full sensor Assy...

Страница 53: ...3 3 10 Cable cover cable guides A and B 1 Turn the AC power switch off Unplug the AC power cord from the outlet 2 Remove the stacker cover Assy see 3 3 7 3 Remove two screws 1 release tabs at position...

Страница 54: ...the AC power cord from the outlet 2 Remove the rear cover se 3 3 1 3 Remove the side cover R see 3 3 5 4 Remove the side plate R see 3 3 6 1 to 5 5 Remove the stacker cover Assy see 3 3 7 6 Release th...

Страница 55: ...er cord from the outlet 2 Remove the side cover R see 3 3 5 3 Remove four screws 1 Lift up and remove front feeder roller Assy 2 4 Lift up and remove paper supply guide D 3 At this time two bias rolle...

Страница 56: ...square shaped connector 6 8 Turn idle gear 8 in the direction of arrow A until front feeder plate 9 is elevated 9 Remove front feeder gear 10 and then remove two springs A Be careful not to lose the...

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Страница 58: ...ck pin 5 and bearing F are also removed Be careful not to lose them Do not mix these parts with those from the left side of Assy 7 Pull out the front feeder 7 shaft toward the left and then remove fro...

Страница 59: ...see 3 3 5 4 Remove the front feeder Assy see 3 3 12 1 to 3 5 Remove the inner cover and square shaped connector see 3 3 13 5 and 6 6 Remove hopping motor 1 from the square shaped connector 7 Remove th...

Страница 60: ...Assy see 3 3 12 1 to 3 5 Remove the side plate R Assy see 3 3 15 1 to 9 6 Remove the connector of front feeder paper end sensor 1 from the square shaped connector 7 Remove two screws 2 and then remov...

Страница 61: ...7 Remove the front feeder roller Assy see 3 3 12 1 to 3 At this time it is not required to remove the manual feed hopper Assy 8 Remove the earth plate HP 9 Lift gear TR 1 to unlock it Remove gear TR...

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Страница 63: ...t feeder roller Assy see 3 3 12 1 to 3 3 Remove four screws 1 Lift and remove the registration roller Assy 2 left side first then right side 4 Release the latch and remove registration roller gear 3 a...

Страница 64: ...of fuser pressure roller release lever 1 and pull out it toward the right At this time idle gear H 2 is also removed 6 Remove spring 3 and then remove pressure release lever 4 Be careful do not lose...

Страница 65: ...C power cord from the outlet 2 Remove the main chassis unit see 3 3 17 3 Remove the motor Assy see 3 3 19 1 to 8 4 Remove three screws 1 and then remove motor bracket B 2 5 Remove idler gear E 3 idle...

Страница 66: ...ssy 3 3 21 Fusing Assy 1 Turn the AC power switch off Unplug the AC power cord from the outlet 2 Remove the side cover L Assy see 3 3 1 1 to 3 3 Unplug connector 1 4 Remove four screws 2 and then remo...

Страница 67: ...he fusing Assy see 3 3 21 4 Remove the fuser pressure roller release lever see 3 3 19 5 5 Remove two screws 2 and release three locks on the fusing guide Remove the fusing guide 1 by pushing it upward...

Страница 68: ...witch off Unplug the AC power cord from the outlet 2 Remove the main chassis unit see 3 3 17 3 Remove screw 1 Turn EP lock level L Assy 2 in the direction of arrow A 4 Remove spring 3 5 Drop EP lock s...

Страница 69: ...h Remove hopping roller gear 1 and bearing P 2 Then remove idle gear HF 3 4 Remove the left side of hopping roller shaft 4 from the groove Pull out hopping roller shaft 4 and hopping roller Assy 5 tow...

Страница 70: ...sor lever 1 Turn the AC power switch off Unplug the AC power cord from the outlet 2 Remove the main chassis unit see 3 3 17 3 Press the clamp part of outlet sensor lever 1 Remove the outlet sensor lev...

Страница 71: ...lever 1 Turn the AC power switch off Unplug the AC power cord from the outlet 2 Remove the main chassis unit see 3 3 17 3 Squeeze the clamp part of toner sensor lever 1 and remove the toner sensor le...

Страница 72: ...lever 1 Turn the AC power switch off Unplug the AC power cord from the outlet 2 Remove the main chassis unit see 3 3 17 3 Squeeze the clamp part of the paper sensor lever 1 Remove the paper sensor le...

Страница 73: ...sensor lever 1 Turn the AC power switch off Unplug the AC power cord from the outlet 2 Remove the main chassis unit see 3 3 17 3 Squeeze the clamp part of two inlet sensor levers 1 Remove the inlet s...

Страница 74: ...e 3 3 17 3 Remove two screws 1 and then remove inlet holder 2 At this time remove inlet 3 from inlet holder 2 4 Remove eight screws 4 connector 5 and two screws 6 Remove Power sensor PCB 7 together wi...

Страница 75: ...30 Paper end lever 3 3 30 Paper end lever 1 Turn the AC power switch off Unplug the AC power cord from the outlet 2 Remove the main chassis unit see 3 3 17 3 Release the lock and remove paper end lev...

Страница 76: ...sulator see 3 3 29 4 Remove screw 1 and then remove base plate 2 5 Remove two screws 3 and then remove guide rail L Assy 4 6 Remove cassette lock spring 5 and then remove bias link 6 and pull block 7...

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Страница 78: ...ing 5 and then remove bias link 6 and pull block 7 At this time earth plate 8 is also removed Pay attention the direction of hook of cassette lock spring 5 7 Remove spring 9 and then remove cassette s...

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Страница 80: ...IC card cover 3 3 33 IC card cover 1 Turn the AC power switch off Unplug the AC power cord from the outlet 2 Remove interface cable 1 3 Open stacker cover 2 Remove two screws 3 and then remove IC card...

Страница 81: ...cord from the outlet 2 Open stacker cover 1 3 Remove PC connectors 2 and two LED cables 3 from LED head 4 4 Push the hook on the left side of stacker cover 1 in the direction of arrow and remove LED h...

Страница 82: ...power switch off Unplug the AC power cord from the outlet 2 Pull out the paper cassette Assy 1 from the printer 3 Release two locks and remove separator Assy 2 At this time leaf spring 3 and coil spri...

Страница 83: ...rom the outlet 2 Open stacker cover 1 3 Lift the left side of the gear TR 2 and release the lock Remove gear TR 2 and transfer roller 3 At this time two bearings TR 4 and two transfer roller springs 5...

Страница 84: ...replacing a part Adjustment is made by changing a parameter value set in EEPROM on the controller PCB A parameter is set with the use of the keys on the operator panel This printer has three kinds of...

Страница 85: ...isplay Loop test Page count printing enable disable EEPROM reset Rolling ASCII continus prinitng Engine maintenance mode Note This mode is used only by service persons and it should not be released to...

Страница 86: ...s less than one page printing can be activated manually be pressing the Form Feed key after selecting the OFF LINE Automatic activation of printing even when the received data is less than one page by...

Страница 87: ...User maintenance mode menu system User maintenance mode menu system...

Страница 88: ...functions without connecting the printer to a host The data is sent and received by loop back in the loop test The loop test is performed even when any other interface is selected in Menu level 2 Inst...

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Страница 90: ...System maintenance mode menu system System maintenance mode menu system...

Страница 91: ...gh Capacity Second Paper Feeder paper feed length This function sets the paper feed length of the High Capacity Second Paper Feeder 8 Selection of High Capacity Second Paper Feeder download table This...

Страница 92: ...Note Do not change the default value of 2 5 9 they are the parameters for adjusting in the factory...

Страница 93: ...Engine maintenance mode menu system Engine maintenance mode menu system...

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Страница 95: ...4 1 4 EEPROM initialization 4 1 4 EEPROM initialization The corresponding area of the EEPROM is initialized for each event as shown Table 4 1...

Страница 96: ...cing one of the followimg parts Part Replaced Adjustment LED Head Set the LED head drive time Refer to Chapter 4 2 1 Image Drum Cartridge Reset the image drum counter Refer to User s manual Fuser Unit...

Страница 97: ...ED head is to set parameter of drive time setting values corresponding to the lumious intensity displays marked on the LED head to EEPROM a Corresponding table of lumious energy display and drive time...

Страница 98: ...0 97 1 03 6 1 04 1 10 5 1 11 1 18 4 1 19 1 26 3 1 27 1 35 2 b Setting Example Setting method the parameter to 14 in case of privous parameter is 17...

Страница 99: ...4 2 2 Resetting the fuser counter 4 2 2 Resetting the fuser counter 1 The fuser counter can be reset in the engine maintenance mode 2 Resetting method...

Страница 100: ...nation can be set by turning the power on while depressing two keys corresponding to the destination according to the following table Destination Keys to be depressed ODA MENU OEL MENU Non Europe 1 Au...

Страница 101: ...t 5 1 Periodic Parts Replacement The parts are to be replaced periodically as specified below Part name Condition for replacement Cleaning Remarks Toner cartridge 5 000 LED head Consumables Image drum...

Страница 102: ...and dust Clean inside and around the printer with a piece of cloth when necessary Use the handy cleaner VACCUM for cleaning the printers interior Note Do not touch image drum LED lens array and LED h...

Страница 103: ...down the page as shown below Note The LED lens array must be cleaned with an LED head cleaner LED Lens cleaner pads are included with replacement toner cartridges 1 Set the LED head cleaner to the LED...

Страница 104: ...ill scroll one at a time from right to left LETTER may be replaced by A4 depending on the default paper type selected in the menu While the lower line scrolls the message the upper line will stay fixe...

Страница 105: ...in the table below Item Disassembly Procedure Eject Roller Gears 3 3 11 Page 3 18 Idle Gear Front Feeder 3 3 14 Page 3 22 Stacker Cover Damper Gear 3 3 8 Page 3 15 Transfer Roller Gear 3 3 17 Page 3...

Страница 106: ...Troubleshooting Tips 1 Check the basic check points covered in the users manual 2 Gather as much information on the problem from the customer as possible 3 Perform inspections in conditions close to t...

Страница 107: ...cting Image Problems 1 Is the printer being run in proper ambient conditions 2 Have the supplies toner and the routine replacement part image drum cartridge been replaced properly 3 Is the paper norma...

Страница 108: ...not touch or bring foreign matter into contact with the surface of the image drum 2 Do not expose the image drum to direct sunlight 3 Keep hands off the fuser unit as it is heated during operation 4...

Страница 109: ...eparation for Troubleshooting 1 Operator panel display The failure status of this printer is displayed on the liquid crystal display LCD in the operator panel Take proper corrective action as directed...

Страница 110: ...6 5 Troubleshooting Flow 6 5 Troubleshooting Flow If troubles should develop in this printer troubleshoot in the following procedure flow...

Страница 111: ...6 5 1 LCD status message trouble list 6 5 1 LCD status message trouble list Table 6 1 lists the status and troubles that may be indicated by messages on the LCD...

Страница 112: ...ns unprinted in the buffer Data On The printer is in the on line mode Data Flash The printer is receiving the data or performing the output processing In the off line mode the data is printed by press...

Страница 113: ...peration Daily status All fonts of the printer are being printed Ready ON Executed by command entry Ready flashing Executed by key operation Normal operation Daily status The demo page is being printe...

Страница 114: ...r more the number of copies being printed is displayed Normal operation Daily status The face down stacker is full of paper Remove paper from the stacker Repair the broker stacker sensor cable Repeat...

Страница 115: ...r overflow The receive buffer was overflowed Press the RECOVER key on the operator panel to release the error display Chang the setting of the host side so that the host can detect the busy state of t...

Страница 116: ...e paper in the cassette Open the cover then close it to perform recovery printg and the error display is released If this error occurs frequently see chapter 6 5 2 Jam errors A jam occurred during pap...

Страница 117: ...OL series is inserted no error is displayed to ignore the inserted card Remove the card Replace the card Optional card error A card was inserted or removed when the printer is in the on line mode Nor...

Страница 118: ...the replaced Main board 30 An error was detected by resident RAM check Replace the Main board AOLM PCB Note When replacing the Main board install the EEPROM mounted on the replaced Main board 40 An er...

Страница 119: ...d Control board F2 Optional timeout error Turn the power off then on Replace the Control board Note When replacing the Control board install the EEPROM mounted on the replaced Control board F3 Optiona...

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Страница 121: ...ee Below 7 Bus Error Exception Load instruction store instruction See Below 7 Bus Error Exception Load instruction store instruction See Below 8 System Call Exception See Below 9 Breakpoint Exception...

Страница 122: ...3 4 Fusing unit error 4 5 SSIO Synchronous Serial I O error Error No 7 excepting I F time out between the printer and an optional tray 5 6 I F time out between the printer and the operator panel 6 7...

Страница 123: ...e AC cable Set the POW switch to the ON position Measure the resistance between L and N pins of the AC inlet using a multimeter Is there continuity between L and N pins normal resistance 554 k For mea...

Страница 124: ...he operator panel assembly t Is the printer recovered No Replace the Control board t YES END t Yes Is message shown in the LCD display No Replace the Control board t YES message shown in the LCD displ...

Страница 125: ...Fig 6 2 Measurement by a Multimeter Fig 6 3 Connector and Pin Location...

Страница 126: ...let sensor lever Yes Clean the inlet sensor on the Power sensor board or replace the Power sensor board See Fig 2 3 Sensor Layout Diagram No Replace the hopping roller assembly or paper cassette assem...

Страница 127: ...ard See Fig 2 3 Sensor Layout Diagram t No Does a jam error occur after paper feeding Yes Is the paper fed on the inlet sensor lever Yes Go to t No Go to t No Does the front feeder paper sensor lever...

Страница 128: ...any defective gear in the motor bracket assembly Yes Replace the defective gear t No Are the connections for CN3 connector on the Power sensor board between CN8 and CN7 connectors on the Control board...

Страница 129: ...agram t Is the printer recovered No Replace the Power sensor board t YES END t No Is the drum motor rotating No Is there any defective gear in the motor bracket assembly Yes Replace the defective gear...

Страница 130: ...the fuser unit installed properly No Install the fuser unit properly t Yes Is the image drum cartridge set properly No Set the image drum cartridge properly t Yes Does the paper sensor lever operate s...

Страница 131: ...an the outlet sensor on the Power sensor board See Fig 2 3 Sensor Layout Diagram t Is the printer recovered No Replace the Power sensor board t YES END t No Is the face up stacker drawn out or pushed...

Страница 132: ...2 3 Sensor Layout Diagram Is the printer recovered No Replace the Power sensor board t YES END t YES END t YES Does the outlet sensor lever operate smoothly No Replace the outlet sensor lever t Is th...

Страница 133: ...Yes Does appear the heat on signal at pin 31 HEAT ON signal 0 V in normal state of the Control board No Replace the Control board t Yes Replace the Power sensor board t No Does a fuser unit error occu...

Страница 134: ...user unit t No Is the AC voltage applied to the CN2 connector on the Power sensor board See Fig 4 No Is CN2 connector connected to the Power sensor board No Connect the CN2 connector to the Power sens...

Страница 135: ...velope feeder used Yes Is the connection between the Control board and the optional tray connected properly See chapter 7 1 No Connect the cable properly t Yes Replace the Control board t Is the print...

Страница 136: ...operator panel connected to the PANEL connector of the Control board properly See chapter 7 1 No Connect the connecting cord of the operating panel to the PANEL connector of the Control board properly...

Страница 137: ...nal communication enable state DISABLE ENABLE in menu level 2 t No Set the parallel I F to the bidirectional communication disable state ENABLE DISABLE in menu level 2 t Is the printer recovered Yes E...

Страница 138: ...t Yes Is the connector of the serial interface cable connected to the printer properly No Connect the connector of the serial interface cable to the printer properly t Yes Is there any defect in the...

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Страница 140: ...on the Control board properly No Connect the interface board option to the OKI HSP interface connector properly t Yes Is there any broken or bent pin in the interface board option Yes Ask the user to...

Страница 141: ...es Trouble Flowchart number Images are light or blurred as a whole Figure 6 4 1 Dark background density Figure 6 4 2 Blank paper is output Figure 6 4 3 Black stripes in the vertical direction Figure 6...

Страница 142: ...the contact plate of the transfer roller contact with the power sensor board and Shaft of the transfer roller properly Yes Are the contact of the developing roller and the contact of the toner supply...

Страница 143: ...power on while pressing the MENU key and reset the drum counter Refer to User s Manual t No Replace the control board Power Sensor board 3 Black paper is output Is the LED head connected properly Chec...

Страница 144: ...No Replace the control board or Power Sensor board...

Страница 145: ...e user maintenance mode by turning the power on while pressing the MENU key and reset the drum counter Refer to User s Manual t No Replace the LED head Has the trouble been removed Yes End Note After...

Страница 146: ...dge Transfer roller 2 30 58 4 mm Replace the transfer roller Heat roller 3 49 88 5 mm Replace the fusing unit assy Back up roller 3 52 89 5 mm Replace the back up roller Notes 1 After replacing the im...

Страница 147: ...Replace the image drum cartridge Has the trouble been removed Yes End Note After replacing the image drum cartridge set the printer in the user maintenance mode by turning the power on while pressing...

Страница 148: ...normal No Replace the spring t Yes Is the contact of the fusing unit assy contacted with the contact assy properly See Figure 6 5 G No Adjust the contact of the fusing unit assy to contact the contact...

Страница 149: ...14p HEAD2 12p on the control board and PC connector on the LED head No Install the LED head properly t Yes Replace the LED head Has the trouble been removed Yes End Note After replacing the LED head s...

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Страница 152: ...Chapter 7 7 Wiring Diagram 7 WIRING DIAGRAM 7 1 Interconnect Signal Diagram...

Страница 153: ...7 2 PCB Layout 7 2 PCB Layout 1 Control board AOLM...

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Страница 155: ...7 3 Resistance Check 7 3 Resistance Check...

Страница 156: ...Description Factory setting T1 1 2 5 V is supplied to pin 18 of Centronics parallel I F connector 1 2 T1 2 3 5 V is not supplied to pin 18 of Centronics parallel I F connector 1 2 T2 1 2 CE signals of...

Страница 157: ...Chapter 8 8 Parts List 8 PARTS LIST Figure 8 1 Printer Unit Name Rating OKI J Part No Qty 50 500 1000 Remarks...

Страница 158: ...opper assy 2PA4128 107 6G1 1 1 3 6 55700401 10 Connector cover 3PP4076 505 2P1 1 0 3 6 53073301 11 TR shaft bearing 4PP4076 503 5P1 2 0 3 6 51608501 12 Transfer roller spring L 4PP4076 503 6P1 1 0 3 6...

Страница 159: ...21 AOLM PCB 4YA4046 163 4G11 1 2 5 10 55077311...

Страница 160: ...6197P1 1 1 3 6 51229401 4 Idle gear exit 4PP4043 4532P1 1 0 3 6 51234301 5 Hopping roller assy 4PA4076 5755G1 1 1 3 6 without shaft 50407901 6 Bearing L Hopping roller assy 4PP4076 5345P1 1 0 3 6 516...

Страница 161: ...1 1 0 3 6 50807501 23 Inlet sensor lever 3PP4076 5083P1 2 0 6 12 50807601 24 Paper sensor lever 3PP4076 5082P1 1 0 3 6 25 Toner sensor lever 4PP4076 5086G1 1 0 3 6 26 Exit sensor lever 3PP4076 5085P1...

Страница 162: ...00G2 1 2 10 20 56111401 46 Head cable assy 3YX4076 5760G1 1 2 5 10 47 Cable cover 2PP4128 1096P1 1 0 3 6 53073401 48 Cable guide B 3PB4128 1110P1 1 1 3 6 51016501 49 I D unit ODA 4YA4076 5500G2 1 50 T...

Страница 163: ...Front Feeder Unit Front Feeder Unit Name Rating Parts No Q ty 50 500 1000 Remarks 1 Paper supply guide A Affix 3PP4076 5348G1 1 0 3 6 51016101 2 Paper supply guide B 1PP4076 5303P1 1 0 3 6 51016201...

Страница 164: ...6301 10 Idle gear Idle gear 1 0 3 6 51234801 11 Hopping motor 4PB4076 5330P1 1 1 3 6 56511701 12 Connector cord 4YS4011 4448P2 1 2 5 10 56730802 13 Square shaped connector 22P 220A1866P0221 1 2 5 10 5...

Страница 165: ...marks 1 Guide rail L Assy 2PP4076 5753G1 1 1 3 6 51016701 2 Pull block 4PP4122 1217P1 2 2 6 12 51500301 3 Link support 4PP4076 5358P1 2 2 6 12 50516801 4 Cassette lock spring 4PP4076 5417P1 2 0 6 12 5...

Страница 166: ...076 5144P1 1 1 3 6 51711001 12 Paper end lever 4PP4076 5154P1 1 1 3 6 50808201 13 Power sensor PCB 120V 4YB4049 1764P2 1 2 5 10 56413702 Power sensor PCB 230V 4YB4049 1765P2 1 2 5 10 14 AOLC PCB 4YA40...

Страница 167: ...erface signal Pin No Signal name Symbol Signal direction Data terminal ready 1 Protective ground PG 2 2 TD TO HOST Transmitted data from this unit to host 3 3 RD FROM HOST Received data form host 4 Re...

Страница 168: ...00 2400 4800 9600 19200 bps Data bit length 8 bits 7 bits Parity Odd even none space mark and ignore not selectable Stop bit length 1bit fixed Protocol DTR High DTR LOw XON XOFF Robust XON XOFF Serial...

Страница 169: ...by Daiichi Denshi or equivalent Cable side 36 pin plug Male Type 57 30360 made by Daiichi Denshi or equivalent Plug 552274 1 AMP 552073 1 AMP or equivalent 2 Cable Cable length 6 ft 1 8 m max A Shield...

Страница 170: ...ngth 8 bits Compatibility mode 4 bits Nibble mode 9 bits ECP mode Input prime Valid Invalid Receive buffer 8K 20K 50K 100K 1M Bytes Control Handshaking control is performed in each mode Data received...

Страница 171: ...e same time as roller A The paper is fed for a predesignated distance until the leading edge reaches roller C 2 Next the hopping motor rotates in the direction of arrow E The planet gear F moves to th...

Страница 172: ...d it supplies paper automatically through the operation of hopping motor which is driven by signals sent from the printer The main functions are the followings Paper that can be used Paper Type Cut Sh...

Страница 173: ...1 2 External View and Component Names 1 2 External View and Component Names...

Страница 174: ...gear D moves in the direction of the arrow E and roller G turns the paper is fed for a predesignated distance until its leading edge reaches roller G 2 Next the hopping motor rotates in the direction...

Страница 175: ...opper automatically feeds the printer with the paper being set single sheet at a time When the paper is loaded in the paper cassette it is then transported by the hopping motor carrying forward only a...

Страница 176: ...eeder if it is operating normally 3 Establish the extent of disassembly suitable for the purpose of the procedure and do not disassemble any more than necessary 4 Only specified service tools may be u...

Страница 177: ...3 2 Parts Layout 3 2 Parts Layout This section describes the layout of the main components...

Страница 178: ...3 3 Parts Replacement Methods 3 3 Parts Replacement Methods This section describes the parts replacement methods for the components listed in the disassembly order diagram below...

Страница 179: ...3 3 1 Idle rollers 3 3 1 Idle rollers 1 Remove two screws 1 and remove the front panel assy 2 2 Remove two idle rollers 3...

Страница 180: ...3 3 2 AOLT PCB 3 3 2 AOLT PCB 1 Remove the screw 1 and remove the PCB cover 2 2 Remove three connectors 3 and two screws 4 then remove the AOLT PCB 5...

Страница 181: ...the PCB cover see 3 2 2 step1 3 Remove two connectors 1 and two screws 2 then remove the hopping motor assy 3 The three gears 4 the connecting lever 5 as well as the wave washer 6 all come off at the...

Страница 182: ...see 3 3 2 3 Remove the hopping motor assy see 3 3 3 4 Remove the latch on the feed roller gear 1 and remove the feed roller gear 1 5 Remove the latch on the feed roller bearing 2 and remove the feed...

Страница 183: ...Remove the latch on the hopping roller gear 1 and remove the hopping roller gear 1 The bearing F 2 comes off at the same time so be careful not to lose it 3 Remove the latch on bearing L 3 and remove...

Страница 184: ...ws 1 and remove the upper plate 2 3 Remove two screws 3 and remove the side frame L assy 4 4 Remove the cassette lock spring 5 link 6 pull block 7 note the directions of the hooks of the cassette lock...

Страница 185: ...e the side frame R assy 4 4 Remove the cassette lock spring 5 link 6 pull block 7 and earth plate 8 note the directions of the hooks of the cassette lock spring 5 5 Remove the spring 9 and remove the...

Страница 186: ...oncerning the problem from the user 3 Try to recreate the conditions similar to that in which the problem occurred 4 2 Preparations for the Troubleshooting 1 Display on the Operator panel The status o...

Страница 187: ...4 3 Troubleshooting Method 4 3 Troubleshooting Method When a problem occurs go through the troubleshooting according to the following procedure...

Страница 188: ...in the High Capacity Second Paper Feeder Also check to see if there was a feeding of multiple sheets Carry out the recovery printing by opening the cover removing paper and closing the cover and then...

Страница 189: ...Inlet YES Is the sensor plate Inlet operating normally NO Replace the sensor plate Inlet t YES Clean the inlet sensor on the power sensor board or replace the power sensor board or inlet sensor t NO R...

Страница 190: ...5 Connection Diagram 5 CONNECTION DIAGRAM 5 1 Interconnection Diagram...

Страница 191: ...5 2 PCB Layout 5 2 PCB Layout AOLT PCB...

Страница 192: ...1 1 2 Feed roller 3PB4076 5707P1 1 56408701 3 Hopping motor 4PB4076 5718P1 1 56511901 4 Hopping gear 4PB4043 4486P1 1 51235001 5 Hopping roller assy 4PA4076 5755G1 1 50407901 6 Feed roller gear 4PB404...

Страница 193: ...0803 12 Square shaped connector 220A1866P0141 1 56730641 13 Earth plate 4PP4076 5717P1 1 53346701 14 Bush 4PP4076 3949P1 1 51607301 15 Shaft earth plate 4PP4076 5719P1 1 53346801 16 Paper cassette ass...

Страница 194: ...ope Feeder is installed on the front section of the printer and it supplies paper automatically through the operation of hopping motor which is driven by signals sent from the printer The main functio...

Страница 195: ...1 2 External View and Component Names 1 2 External View and Component Names...

Страница 196: ...same time as roller A The paper is fed for a predesignated distance until the leading edge reaches roller C 2 Next the hopping motor rotates in the direction of arrow E The planet gear F moves to the...

Страница 197: ...2 2 Hopper Mechanism 2 2 Hopper Mechanism The hopper automatically feeds the printer with the paper being set single sheet at a time...

Страница 198: ...it is operating normally 3 Establish the extent of disassembly suitable for the purpose of the procedure and do not disassemble any more than necessary 4 Only specified service tools may be used 5 Dis...

Страница 199: ...3 2 Parts Layout 3 2 Parts Layout This section describes the layout of the main components...

Страница 200: ...s the parts replacement methods for the components listed in the disassembly order diagram below Power Envelope Feeder Separator 3 3 1 AOLE PCB 3 3 2 Square shaped connector 3 3 3 Hopping motor 3 3 4...

Страница 201: ...er 2 using a flat head screwdriver and remove the upper cover 2 4 Remove two pan head screws 3 and remove the cover frame 4 5 Disengage the plate and the frame Refer to 3 3 6 6 Remove two screws 5 and...

Страница 202: ...LE PCB 1 Remove the upper cover see 3 1 1 1 to 3 2 Remove two screws 1 and remove the AOLE PCB 2 3 Remove the connector 3 4 Remove the connector 4 Caution Be careful to set the sensor plate properly w...

Страница 203: ...Remove the AOLE PCB see 3 3 2 3 Remove the screw 1 and remove the square shaped connector 2 4 Remove the nylon cord 3 from the square shaped connector 2 Confirmation after assembly 1 The square connec...

Страница 204: ...3 3 4 Hopping Motor 3 3 4 Hopping Motor 1 Remove the upper cover see 3 3 1 1 to 3 2 Remove the AOLE PCB see 3 3 2 3 Remove two screws 1 then remove the hopping motor 2...

Страница 205: ...3 3 5 Planet gear 3 3 5 Planet gear 1 Remove the upper cover see 3 3 1 1 to 3 2 Remove the AOLE PCB see 3 3 2 3 Remove two screws 1 then remove the motor bracket assy 2 and the planet gear 3...

Страница 206: ...e AOLE PCB see 3 3 2 5 Remove the motor bracket assy see 3 3 5 6 Remove the gear 1 7 Shift the roller B 2 to the right lift it by holding on its left side and pull it out to the left side The bearing...

Страница 207: ...me 4 4 Remove four screws 5 and remove the frame 4 see 3 3 6 5 Move the belt to the right and remove it from the one way pulley 6 6 Move the carrier roller assembly to the right and remove it from the...

Страница 208: ...oller 3 3 8 Mini pitch belt Feed roller 1 Remove the roller A see 3 3 7 2 Remove the bearing 1 and remove the feed roller assy 2 3 Remove two bearings 3 and remove the plate 4 4 Remove the mini pitch...

Страница 209: ...the operator panel Go through the appropriate troubleshooting procedures according to the messages displayed on the LCD 4 3 Troubleshooting Method When a problem occurs go through the troubleshooting...

Страница 210: ...state of the Power Envelope Feeder Load the paper in the Power Envelope Feeder Synchronous serial I O error Notifies of occurrence of interface error between the printer and the Power Envelope Feeder...

Страница 211: ...late Inlet YES Is the sensor plate Inlet operating normally NO Replace the sensor plate Inlet t YES Clean the Inlet sensor on the power sensor board or replace the power sensor board or Inlet sensor t...

Страница 212: ......

Страница 213: ...5 Connection Diagram 5 CONNECTION DIAGRAM 5 1 Interconnection Diagram AOLE PCB...

Страница 214: ...5 2 PCB Layout 5 2 PCB Layout AOLE PCB...

Страница 215: ...4PP4083 5520P1 1 51229601 4 Hopping motor 4PB4083 6075P1 1 56510701 5 Roller C 3PB4083 5524P1 1 53343901 6 One way pulley 4PB4043 4614P1 1 51235701 7 Mini pitch belt 4LP 1313 338 1 51304901 8 Roller...

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