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Service Guide OL1200

Chapter 4 Adjustment

4.2.1 Setting of LED head drive time

Note:

When the luminous intensity marking of the replaced LED head (new part) is same as that of the

used LED head (old part), do not set the LED head drive time.

- Luminous intensity marking label

- Setting of LED head drive time

Drive time of the LED 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 parameter

Содержание OL1200

Страница 1: ...Thank You for purchasing this Factory Service Manual on EBAY from PCTECHINFO Click Here for more Factory Service Manuals for other Computer and Printer Copier Manufacturers from PCTECHINFO...

Страница 2: ...7 97 Note This Adobe Acrobat version of the Okidata Service Training Manual was built with the pictures rendered at 300 dpi which is ideal for printing but does not view on most displays well Copyrigh...

Страница 3: ...o Photographic Process 13 2 4 3 Process Operation Descriptions 14 2 Feeding 15 3 Charging 16 4 Exposure 17 5 Developing 18 6 Transfer 19 7 Fusing 20 8 Cleaning 21 9 Cleaning Of Rollers 22 2 5 Paper Ja...

Страница 4: ...tor 54 3 3 20 Idle Gear 55 3 3 21 Fusing Assy 56 3 3 22 Fuser Pressure Roller 57 3 3 23 Ep Lock Shaft 58 3 3 24 Hopping roller Assy 59 3 3 25 Outlet sensor lever 60 3 3 26 Toner sensor lever 61 3 3 27...

Страница 5: ...Controller nn 98 LCD Status Messages 4 4 Error Controller On xxxxx 99 6 5 2 LCD message troubleshooting 100 1 The printer does not work normally after being turned on 101 2 1 Paper input jam 1st tray...

Страница 6: ...anism 131 High Capacity Second Paper Feeder 132 1 2 External View and Component Names 133 2 Mechanism Description 134 2 2 Hopper Mechanism 135 3 Parts Replacement 136 3 2 Parts Layout 137 3 3 Parts Re...

Страница 7: ...hods 159 3 3 1 Separator 160 3 3 2 AOLE PCB 161 3 3 3 Square shaped connector 162 3 3 4 Hopping Motor 163 3 3 5 Planet gear 164 3 3 6 Roller B 165 3 3 7 Roller A 166 3 3 8 Mini pitch belt Feed roller...

Страница 8: ...ts of control and engine blocks as the standard configuration See Figure below 1 1 In addition the following options are also available Copyright 1997 Okidata Division of OKI America Inc All rights re...

Страница 9: ...onfiguration 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...

Страница 11: ...onfiguration 1 3 Optional 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...

Страница 12: ...16MB RAM module Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com...

Страница 13: ...nual feed Label OHP 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 f...

Страница 15: ...5 1 Certification label The safety certification label is affixed to the printer in the position below Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business...

Страница 16: ...ffixed to the portion which may cause an injury to human body Follow the instructions on warning labels during maintenance Copyright 1997 Okidata Division of OKI America Inc All rights reserved See th...

Страница 17: ...a through a host 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 mem...

Страница 19: ...rol of Centronics parallel interface Serial interface controller Control of RS 232C serial interface Timer Generation of various control timing Monitoring of paper running and paper size Serial I O po...

Страница 20: ...e CPU 6 LSI MBCE31701 040FP BND This LSI is used as a peripheral device of the CPU and performs smoothing compensation OST of print image data 300 dpi and 600 dpi In addition it transfers serially bit...

Страница 21: ...ial interface conforming to EIA RS232C READY BUSY DTR HI or DTR LO X ON X OFF RBST X ON For the electrical physical characteristics of the interface see APPENDIX A c OKI HSP interface Option This inte...

Страница 23: ...age 8 V RS 232C line voltage and analog circuit supply voltage 2 High voltage power supply circuit This circuit generates the following voltages necessary for electro photographic processing from 30 V...

Страница 24: ...te and the paper size according to the paper reach time and running time ON Paper exists OFF No paper exists Inlet sensor 2 Detects the form width ON A4 or larger OFF Smaller than A4 Paper sensor Dete...

Страница 25: ...of toner ON long Toner low exists OFF short No Toner low exists Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to...

Страница 26: ...rd relays signals between the Control board and the Power Sensor board and includes the registration motor and drum motor driver IC Copyright 1997 Okidata Division of OKI America Inc All rights reserv...

Страница 27: ...hopping roller of the first tray and the front feed roller via two one way clutches according to the direction of rotation 3 Registration motor This motor is a pulse motor of 48 steps rotation that is...

Страница 28: ...ecting or disconnecting the AC voltage supply to the heater If the heater roller temperature rises abnormally the thermostat of the heater voltage supply circuit is activated to cut the AC voltage sup...

Страница 29: ...y When the negatively charged toner is brought into contact with the image drum it is attracted to the electrostatic latent image by static electricity making the image visible At the same time the re...

Страница 30: ...under heat and pressure Figure 2 6 shows an electro photographic process timing chart Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange...

Страница 31: ...eder The both and hopping gears contain one 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 p...

Страница 32: ...opping roller of the 1st tray will 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...

Страница 33: ...determined length until it hits the registration roller The skew of the paper can thus be corrected Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Part...

Страница 34: ...ration roller advances the paper until it comes out of the registration roller When leading edge of the paper causes the paper sensor to turn on the printing is started synchronously Copyright 1997 Ok...

Страница 35: ...is effected by applying a DC minus voltage to the charge roller that is in contact with the image drum surface Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Bu...

Страница 36: ...ith negative charges The surface potential of the irradiated part of the image drum drops thereby forming an electrostatic latent image associated with the image signal Copyright 1997 Okidata Division...

Страница 37: ...lowing the toner to be attracted to the developing roller The developing roller surface is charged positive and the toner negative 2 The toner attracted to the developing roller is scraped off by the...

Страница 38: ...of a high positive voltage from the power supply to the transfer roller causes the positive charge induced to the transfer roller surface to be transferred to the paper at the contact between the tra...

Страница 39: ...at roller A thermistor which is in contact with the heater roller regulates the heater roller at a predetermined temperature about 185 188 C A safety thermostat cuts off voltage supply to the heater b...

Страница 40: ...sidual toner on the image drum is attracted to the cleaning roller temporarily by static electricity to clean the image drum surface Copyright 1997 Okidata Division of OKI America Inc All rights reser...

Страница 41: ...er the cover is opened and closed When the number of accumulated sheets is 10 or more and the printout operation ends Changes in bias voltage applied to each roller move adhesive toner from the roller...

Страница 42: ...he inlet sensor Paper feed jam At power on time the paper is placed at the paper sensor The leading part of the paper does not reach the paper sensor within a predetermined distance after the paper ha...

Страница 43: ...detects that the size of the loaded paper is A4 or larger or smaller than A4 The detected paper size differs from the paper size set by command or menu The paper size check with the manual feed speci...

Страница 44: ...age power supply circuit As a result all high voltage outputs are interrupted At the same time the CVOPN signal is sent to the control board to notify it of the off state of the microswitch and the co...

Страница 45: ...ion during toner full 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 di...

Страница 46: ...oner 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 Sensor Alarm is activated The toner sensor is not monitored while the drum motor is...

Страница 47: ...lever at the paper outlet to the stacker detects a stacker full state about 250 sheets and stops printing of the ensuing pages Copyright 1997 Okidata Division of OKI America Inc All rights reserved S...

Страница 48: ...assette is inserted into the printer the state of the tab pieces is detected by the microswitch to recognize the paper size State of Microswitches SW1 SW2 SW3 SW4 Paper size 0 1 1 1 Letter 0 1 0 1 Exe...

Страница 49: ...replacement of parts assemblies and units in the field Only the removal procedures are explained here Reverse the procedure for the installation Copyright 1997 Okidata Division of OKI America Inc All...

Страница 50: ...the AC receptacle iii Turn on l the power switch of the printer 2 Do not try disassembly as long as the printer is operating normally 3 Do not remove unnecessary parts try to keep disassembly to a min...

Страница 51: ...1 shows the tools required for field replacement of printed circuit boards and units Table 3 1 Service Tools Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Busi...

Страница 52: ...1200 Chapter 3 Parts Replacement 3 2 Parts Layout 1 4 Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this mater...

Страница 53: ...OL1200 Chapter 3 Parts Replacement Parts Layout 2 4 Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this materia...

Страница 54: ...OL1200 Chapter 3 Parts Replacement Parts Layout 3 4 Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this materia...

Страница 55: ...OL1200 Chapter 3 Parts Replacement Parts Layout 4 4 Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this materia...

Страница 56: ...arts This section explains how to change parts and assemblies appearing in the disassembly diagram below Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business...

Страница 57: ...hipped 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 8A from t...

Страница 59: ...move 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 cables from location 4 Caution Be careful not to deform the electrodes o...

Страница 60: ...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 the DC fan motor 1 Copyright 1997 Okidata Division of OKI America Inc...

Страница 61: ...let 2 Open manual feed hopper Assy 1 Disengage the lower portion of this Assy 3 Hold manual feed hopper Assy 1 vertically and remove the left and right levers 2 with a downward motion Copyright 1997 O...

Страница 62: ...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 cable Remove operator panel Assy 7 5 Ope...

Страница 63: ...Partner Exchange BPX for any updates to this material http bpx okidata com...

Страница 64: ...emove 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 6 Remove side plate R 7 by pulling up and...

Страница 65: ...Partner Exchange BPX for any updates to this material http bpx okidata com...

Страница 66: ...utlet 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 sid...

Страница 68: ...f 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 Copyright 1997 Okidata Division of OKI America Inc All rights reserved...

Страница 69: ...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 3 by spreading the plastic tabs on each side of sensor Assy 3 and liftin...

Страница 70: ...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 1A Remove cable cover 2 cable guide A 3 Copyright 1997 Okidata Division of O...

Страница 71: ...emove 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 the latch on the right side of eject roller Assy 1 Lift up and remove th...

Страница 72: ...lug the AC power 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...

Страница 74: ...switch Assy 7 from 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 carefu...

Страница 76: ...idle gear 1 and then remove the right side front feeder cam 2 release lever R 3 and spring 4 At this time knock pin 5 and bearing F are also removed Be careful not to lose them Do not mix these parts...

Страница 77: ...eely after re assembly 3 Be sure that during re assembly both feeder cams 2 and D are facing the same direction Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA B...

Страница 78: ...the side cover R 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 con...

Страница 80: ...er roller 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 t...

Страница 82: ...Assy see 3 3 7 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...

Страница 84: ...emove the front 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 r...

Страница 86: ...5 Release the latch 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 c...

Страница 88: ...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 gear D 4 idle gear B 5 idle gear C 6 idle gear A 7 and two resist...

Страница 89: ...r 3 Parts Replacement 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 scre...

Страница 91: ...17 3 Remove the 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 push...

Страница 93: ...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 shaft 4 down and turn in the direction of arrows B and remove it Copy...

Страница 94: ...d 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 toward the left 5 Release the latch...

Страница 95: ...Partner Exchange BPX for any updates to this material http bpx okidata com...

Страница 96: ...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 lever 1 by pushing it upward from the lower side Copyright 1997 Okidata Di...

Страница 97: ...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 lever 1 by pushing it upward from the lower side Copyright 1997 Okidata D...

Страница 98: ...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 lever 1 by pushing it upward from the lower side Copyright 1997 Okidata D...

Страница 99: ...rom 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 sensor levers 1 by pushing them downward Copyright 1997 Okidata Division...

Страница 100: ...ain chassis unit see 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 senso...

Страница 102: ...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 lever 1 Copyright 1997 Okidata Division of OKI America Inc All rights re...

Страница 103: ...3 Remove the insulator 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 an...

Страница 104: ......

Страница 106: ...assette lock spring 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 r...

Страница 108: ...plug 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 cover 4 Copyright 1997 Okidata Division of OKI America Inc All righ...

Страница 109: ...s 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 head 4 Take care not to lose head springs 5 Pull out the head spri...

Страница 110: ...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 spring 4 are also removed Be careful not to lose these springs Copyright...

Страница 111: ...r 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 are also removed 4 Remove diselectrification bar 6 and diselectrific...

Страница 112: ...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 maintenance mode You will utilize one of the maintenance modes when repl...

Страница 113: ...ontinuous printing Engine maintenance mode Note This mode is used only by service persons and it should not be released to the end users To enter the engine maintenance mode turn on the POWER switch w...

Страница 114: ...m Feed key after selecting the OFF LINE Automatic activation of printing even when the received data is less than one page by selecting the Auto Eject function on the menu To exit from this mode is tu...

Страница 115: ...0 Chapter 4 Adjustment User maintenance mode menu system Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this ma...

Страница 116: ...rial I F 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 lev...

Страница 118: ...Chapter 4 Adjustment System maintenance mode menu system Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this m...

Страница 119: ...eed length This function sets the paper feed length of the front feeder 7 Setting of High Capacity Second Paper Feeder paper feed length This function sets the paper feed length of the High Capacity S...

Страница 120: ...n mode occurs upon completion of resetting Note Do not change the default value of 2 5 9 they are the parameters for adjusting in the factory Copyright 1997 Okidata Division of OKI America Inc All rig...

Страница 121: ...Page 79 Service Guide OL1200 Chapter 4 Adjustment Engine maintenance mode menu system...

Страница 123: ...ialization The corresponding area of the EEPROM is initialized for each event as shown Table 4 1 Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner...

Страница 124: ...ead drive time Refer to Chapter 4 2 1 Image Drum Cartridge Reset the image drum counter Refer to User s manual Fuser Unit Reset the fuser counter Refer to Chapter 4 2 2 EEPROM Set the LED head drive t...

Страница 125: ...e as that of the used LED head old part do not set the LED head drive time Luminous intensity marking label Setting of LED head drive time Drive time of the LED head is to set parameter of drive time...

Страница 126: ...38 0 40 20 0 41 0 43 19 0 44 0 46 18 0 47 0 49 17 0 50 0 52 16 0 53 0 57 15 0 58 0 60 14 0 61 0 64 13 0 65 0 69 12 0 70 0 73 11 0 74 0 79 10 0 80 0 84 9 0 85 0 90 8 0 91 0 96 7 0 97 1 03 6 1 04 1 10...

Страница 128: ...fuser counter 1 The fuser counter can be reset in the engine maintenance mode 2 Resetting method Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partne...

Страница 129: ...ponding to the destination according to the following table Destination Keys to be depressed ODA MENU OEL MENU Non Europe 1 Australia etc MENU PAPER SIZE Non Europe 2 Singapore etc MENU TRAY TYPE Copy...

Страница 130: ...s specified below Part name Condition for replacement Cleaning Remarks Toner cartridge 5 000 LED head Consumables Image drum cartridge 30 000 LED head Consumables Copyright 1997 Okidata Division of OK...

Страница 131: ...loth when necessary Use the handy cleaner VACUUM for cleaning the printers interior Note Do not touch image drum LED lens array and LED head connector block Do not use any solvents Copyright 1997 Okid...

Страница 132: ...an LED head cleaner LED Lens cleaner pads are included with replacement toner cartridges 1 Set the LED head cleaner to the LED lens array as shown in the figure then slide the cleaner back and forth...

Страница 133: ...A4 depending on the default paper type selected in the menu While the lower line scrolls the message the upper line will stay fixed When the above message appears on the LCD the user can verify that t...

Страница 134: ...age 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 25 Gear on the shaft of the Registration Motor 3 3 18 Page 3 27 Idle Gears...

Страница 135: ...rs manual 2 Gather as much information on the problem from the customer as possible 3 Perform inspections in conditions close to those in which the problem had occurred Copyright 1997 Okidata Division...

Страница 136: ...ave the supplies toner and the routine replacement part image drum cartridge been replaced properly 3 Is the paper normal See paper specifications section 4 Has the image drum cartridge been loaded pr...

Страница 137: ...mage 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 Do not expose the image drum to light for longer than 5 minutes at room t...

Страница 138: ...us of this printer is displayed on the liquid crystal display LCD in the operator panel Take proper corrective action as directed by messages that are displayed on the LCD Copyright 1997 Okidata Divis...

Страница 139: ...leshooting Flow If troubles should develop in this printer troubleshoot in the following procedure flow Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business...

Страница 140: ...us message trouble list Table 6 1 lists the status and troubles that may be indicated by messages on the LCD Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Busi...

Страница 141: ...6 SIZE B5 SIZE COM 10 MONARCH DL ENV C5 ENV C4 ENV Normal operation Daily status The printer is in the off line mode Normal operation Daily status The data remains unprinted in the buffer Data On The...

Страница 142: ...Note When replacing the Control board install the EEPROM mounted on the replaced Control board Daily status The data that remains unprinted in the buffer is deleted and the printer is initialized to t...

Страница 143: ...er is running down Normal operation can be continued Replace the fuse unit Note After replacing the fuser unit reset the fuser counter Refer to chapter 4 2 2 Daily status When the number of copies bei...

Страница 144: ...e message is requested Load the requested paper in the feeder and press the Form Feed button Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exc...

Страница 145: ...ue to the following causes Data to be printed in one page is too much Macro data is too much DLL data is too much Press the RECOVER key on the operator panel to release the error display Install an ex...

Страница 146: ...eck the paper in the tray or check to see if more than one sheet of copy were fed simultaneously Open the cover then close it to perform recovery printing and the error display is released If this err...

Страница 147: ...rd Controlle r error An error was detected by EEPROM ID No check Press the RECOVER key on the operator panel to reset the EEPROM to the factory default state and to release the error display Optional...

Страница 148: ...ed by font ROM check Replace the program ROM Location 06D 07D Replace the Main board AOLM PCB Note When replacing the Main board install the EEPROM mounted on the replaced Main board 30 An error was d...

Страница 149: ...d Note When replacing the Control board install the EEPROM mounted on the replaced Control board F0 Monitor error double weight Turn the power off then on Replace the Control board Note When replacing...

Страница 150: ...f the Control board Poor connection of connectors Turn the power off then on Repair defective front feeder paper sensor cable and 2 pin connector on the Control board or remove insert the connectors R...

Страница 151: ...Bus Error Exception Load instruction store instruction See Below 8 System Call Exception See Below 9 Breakpoint Exception See Below A Reserved Instruction Exception See Below B Coprocessor Unusable Ex...

Страница 152: ...st Tray Paper input jam Front feeder Paper feed jam Paper exit jam 2 1 2 2 2 3 2 4 3 Paper size error 3 4 Fusing unit error 4 5 SSIO Synchronous Serial I O error Error No 7 excepting I F time out betw...

Страница 153: ...eplacing the Control board install the EEPROM from the old Control board onto the new control board Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Part...

Страница 154: ...ns 23 25 5V No Remove the 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...

Страница 155: ...lace the connecting cord No Replace the operator panel assembly Is the printer recovered No Replace the Control board YES END Yes Is message shown in the LCD display No Replace the Control board YES m...

Страница 156: ...Fig 6 1 Connector and Pin Location Fig 6 2 Measurement by a Multimeter...

Страница 157: ...6 3 Connector and Pin Location Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata c...

Страница 158: ...sensor lever operate smoothly No Replace the inlet 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...

Страница 159: ...hopping motor Yes Replace the Control board Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http b...

Страница 160: ...Layout Diagram No Does a jam error occur after paper feeding Yes Is the paper fed on the inlet sensor lever Yes Go to No Go to No Does the front feeder paper sensor lever operate smoothly No Replace t...

Страница 161: ...Partner Exchange BPX for any updates to this material http bpx okidata com...

Страница 162: ...No Is the registration motor rotating No Is there any defective gear in the motor bracket assembly Yes Replace the defective gear No Are the connections for CN3 connector on the Power sensor board bet...

Страница 163: ...r sensor board See Fig 2 3 Sensor Layout Diagram Is the printer recovered No Replace the Power sensor board YES END No Is the drum motor rotating No Is there any defective gear in the motor bracket as...

Страница 164: ...Yes Is the image drum cartridge set properly No Set the image drum cartridge properly Yes Does the paper sensor lever operate smoothly No Replace the paper sensor lever Yes Clean the paper sensor on...

Страница 165: ...Sensor Layout Diagram Is the printer recovered No Replace the Power sensor board YES END No Is the face up stacker drawn out or pushed into the printer completely No Draw the face up stacker out the p...

Страница 166: ...r on the Power sensor board See Fig 2 3 Sensor Layout Diagram Is the printer recovered No Replace the Power sensor board YES END YES END YES Does the outlet sensor lever operate smoothly No Replace th...

Страница 167: ...YES END Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com...

Страница 168: ...or contact so as to touch the contact assembly properly 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 Yes Replace th...

Страница 169: ...o 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 sensor board properly Yes Is Pin 31 HEAT ON si...

Страница 170: ...operly See chapter 7 1 No Connect the cable properly t Yes Replace the Control board t Is the printer recovered No Isolate the trouble by following the 2nd tray or envelope feeder maintenance manual S...

Страница 171: ...pter 7 1 No Connect the connecting cord of the operating panel to the PANEL connector of the Control board properly Yes Is the connecting cord defective Yes Replace the connecting cord No Replace the...

Страница 172: ...I F to the bidirectional communication disable state ENABLE DISABLE in menu level 2 Is the printer recovered Yes END No Is the connector of the parallel interface cable connected to the printer proper...

Страница 173: ...host side 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 Yes Is there any defect i...

Страница 175: ...I HSP interface connector properly Yes Is there any broken or bent pin in the interface board option Yes Ask the user to replace the interface board option No Replace the Control board OK No A trouble...

Страница 176: ...pical abnormal images 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...

Страница 178: ...r board properly See Figure 6 6 No Make 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 rol...

Страница 179: ...the control board or Power Sensor board Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx o...

Страница 180: ...moved Yes End Note After replacing the image drum cartridge set the printer in the user maintenance mode by turning the power on while pressing the MENU key and reset the drum counter Refer to User s...

Страница 181: ...pressing the FORM FEED and ENTER keys Set the LED head drive time Refer to Section 4 2 No Replace the control board or Power Sensor board Copyright 1997 Okidata Division of OKI America Inc All rights...

Страница 182: ...and reset the drum counter Refer to User s Manual No Replace the LED head Has the trouble been removed Yes End Note After replacing the LED head set the printer in the engine maintenance mode by burni...

Страница 183: ...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 image drum cartridge set the printer in the user maintenance m...

Страница 184: ...contact assy properly Yes 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 th...

Страница 186: ...sing 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 assembly properly Yes Replace the fusing unit assy Has the...

Страница 187: ...HEAD1 14p HEAD2 12p on the control board and PC connector on the LED head No Install the LED head properly Yes Replace the LED head Has the trouble been removed Yes End Note After replacing the LED h...

Страница 188: ......

Страница 190: ...Page 121 Service Guide OL1200 Chapter 7 Wiring Diagram 7 WIRING DIAGRAM 7 1 Interconnect Signal Diagram...

Страница 192: ...Page 122 Service Guide OL1200 Chapter 7 Wiring Diagram 7 2 PCB Layout 1 Control board AOLM...

Страница 194: ...Page 123 Service Guide OL1200 Chapter 7 Wiring Diagram 7 3 Resistance Check...

Страница 196: ...ram 7 4 Short Plug Setting 1 Control board AOLM Short plug Plug setting 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...

Страница 197: ...effective 1 2 T2 2 3 CE signals of ROM 05D and 07C are ineffective 1 2 Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any upda...

Страница 198: ...Page 125 Service Guide OL1200 Chapter 8 Parts List 8 PARTS LIST Figure 8 1 Printer Unit...

Страница 199: ...7901 8 Face up stacker assy 2PA4128 1 074G1 1 1 3 6 50108201 9 Manual feed hopper assy 2PA4128 1 076G1 1 1 3 6 55700401 10 Connector cover 3PP4076 5 052P1 1 0 3 6 53073301 11 T R s h a f t bearing 4PP...

Страница 200: ...plate BK R 4PP4076 5 067P1 1 0 3 6 53346401 21 AOLM PCB 4YA4046 1 634G11 1 2 5 10 55077311 Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exch...

Страница 201: ...100 0 Remarks 1 Main chassis assy 2PP4076 5751G 1 1 1 3 6 50107901 2 Spring EP lock lever L assy 4LB 192600 6 1 0 3 6 50928306 3 Stacker cover damper 4PB4083 6197P 1 1 1 3 6 51229401 4 Idle gear exit...

Страница 202: ...1 1 0 3 6 51234101 14 Registration idle gear 4PP4076 5068P 1 2 0 6 12 51234201 15 Main motor 4PB4076 5075P 2 1 1 3 6 56511801 16 Registration motor 4PB4076 5076P 1 1 1 3 6 50408001 17 EP lock lever 4P...

Страница 203: ...3 6 51234401 33 Pressure roller gear 4PP4043 4530P 1 1 1 3 6 51234501 34 Fuser pressure roller A4 2PB4076 5112P 2 1 1 3 6 50408302 35 Fuser pressure roller bearing 4PP4076 5051P 1 2 0 6 12 51608601 3...

Страница 204: ...tacker full sensor assy 4YB4128 1101P 2 1 2 5 10 53 Head spring 4PP4128 1164P 1 2 0 6 12 54 Earth plate 4PP4043 4688P 1 1 0 3 6 55 DC fan motor 3PB4076 5290P 1 1 1 3 6 56 FG film 3PB4128 1181P 1 1 1 3...

Страница 205: ...Page 127 Service Guide OL1200 Chapter 8 Parts List Front Feeder Unit...

Страница 206: ...14P 1 1 0 3 6 51234701 8 8 4YB4076 5316P 1 1 2 5 10 50408901 9 Separator assy 4PP4076 5317G 1 1 1 3 6 53346301 10 Idle gear Idle gear 1 0 3 6 51234801 11 Hopping motor 4PB4076 5330P 1 1 1 3 6 56511701...

Страница 207: ...ng F 4PP4076 5308P 1 2 1 3 6 51608201 Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx oki...

Страница 208: ...Page 128 Service Guide OL1200 Chapter 8 Parts List Base Unit Name Rating Parts No Q ty 50 500 100 0 Remarks...

Страница 209: ...10 55077101 9 Square shaped connector fixed side Square shaped connector fixed side 1 2 5 10 56730640 10 Detector spring 4PP4076 5360P 1 1 1 3 6 50928901 11 Insulator 3PB4076 5144P 1 1 1 3 6 51711001...

Страница 210: ...410G 1 1 0 3 6 19 Guide rail assy R 1PA4076 5420G 1 1 0 3 6 Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this...

Страница 211: ...8m max Cable shall be shielded Note Cable is not supplied 3 Interface signal Pin No Signal name Symbol Signal direction Data terminal ready 1 Protective ground PG 2 2 TD TO HOST Transmitted data from...

Страница 212: ...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 data Time Example 8 bits with parit...

Страница 213: ...60 12 D56 made 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...

Страница 214: ...2 4 V to 5 0 V 5 Specifications Item Description Mode Compatibility mode Nibble mode ECP mode Data bit length 8 bits Compatibility mode 4 bits Nibble mode 9 bits ECP mode Input prime Valid Invalid Rec...

Страница 215: ...in the receive buffer Busy control is performed Signal lead control is performed 6 Timing charts Data receiving timing Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the O...

Страница 216: ...ance 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 direction of arrow H and drives idle gear J The rotation of idl...

Страница 217: ...which is driven by signals sent from the printer The main functions are the followings Paper that can be used Paper Type Cut Sheet Size A4 A5 B5 Letter Executive Legal13 Legal14 Special Size Paper Wi...

Страница 218: ...igh Capacity Second Paper Feeder 1 2 External View and Component Names Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any upda...

Страница 219: ...urns the paper is fed for a predesignated distance until its leading edge reaches roller G 2 Next the hopping motor rotates in the direction of arrow B while the hopping gear also turns Because of the...

Страница 220: ...et 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 single sheet caught by the brake shoe at a time Copyright 1...

Страница 221: ...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 Disassembly must be carried out according to the presc...

Страница 222: ...Page 137 Service Guide OL1200 Chapter C High Capacity Second Paper Feeder 3 2 Parts Layout This section describes the layout of the main components...

Страница 224: ...Methods This section describes the parts replacement methods for the components listed in the disassembly order diagram below Copyright 1997 Okidata Division of OKI America Inc All rights reserved See...

Страница 225: ...3 3 1 Idle rollers 1 Remove two screws 1 and remove the front panel assy 2 2 Remove two idle rollers 3 Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business P...

Страница 226: ...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 Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OK...

Страница 227: ...sy see 3 3 1 step1 2 Remove 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 w...

Страница 229: ...he 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 roller bearing 2 6 Sh...

Страница 230: ...Partner Exchange BPX for any updates to this material http bpx okidata com...

Страница 231: ...opping 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 the bearing L 3 4 Remove the hopping roller 4 and remove the h...

Страница 232: ...3 3 5 2 Remove three screws 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 h...

Страница 234: ...ve two screws 3 and remove 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...

Страница 236: ...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 displayed on the LCD Liquid Crystal Displ...

Страница 237: ...ubleshooting Method When a problem occurs go through the troubleshooting according to the following procedure Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Bus...

Страница 238: ...through the Troubleshooting Paper size error Notifies of incorrect size paper feeding from the High Capacity Second Paper Feeder Check the paper in the High Capacity Second Paper Feeder Also check to...

Страница 239: ...d Paper Feeder Verify connection of AOLT PCB and square shaped connector Replace the square shaped connector if necessary Replace AOLT PCB Copyright 1997 Okidata Division of OKI America Inc All rights...

Страница 240: ...ccur YES Is the paper being fed to above sensor plate Inlet YES Is the sensor plate Inlet operating normally NO Replace the sensor plate Inlet YES Clean the inlet sensor on the power sensor board or r...

Страница 241: ...e stepping motor YES Replace the AOLT PCB Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx...

Страница 242: ...pacity Second Paper Feeder 5 CONNECTION DIAGRAM 5 1 Interconnection Diagram Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any...

Страница 243: ...ter C High Capacity Second Paper Feeder 5 2 PCB Layout AOLT PCB Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to...

Страница 244: ...Page 152 Service Guide OL1200 Chapter C High Capacity Second Paper Feeder 6 PARTS LIST Table 6 1 High Capacity Second Paper Feeder No Description Part No Qty Remarks...

Страница 245: ...91P1 3 51235301 10 AOLT PCB 4YA4046 1645G11 1 55077511 11 Connector cord 4YS4011 4448P3 1 56730803 12 Square shaped connector 220A1866P0141 1 56730641 13 Earth plate 4PP4076 5717P1 1 53346701 14 Bush...

Страница 246: ...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 Copyright 1997 Ok...

Страница 247: ...er D Power Envelope Feeder 1 2 External View and Component Names Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to...

Страница 248: ...ntil 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 direction of arrow H and drives idle gear J The rotation of idle gear...

Страница 249: ...Mechanism The hopper automatically feeds the printer with the paper being set single sheet at a time Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Pa...

Страница 250: ...itable for the purpose of the procedure and 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 procedur...

Страница 251: ...e Feeder 3 2 Parts Layout This section describes the layout of the main components Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX...

Страница 252: ...sembly 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 Planet gear 3 3 5 Roller B 3 3 6 Roller A 3 3 7 Mini pitch belt Feed r...

Страница 253: ...locks of the upper cover 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 R...

Страница 255: ...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 when mounting the AOLE PCB Copyright 1997 Okidata Division...

Страница 256: ...1 to 4 in Chapter 3 2 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 assemb...

Страница 258: ...per cover see 3 3 1 1 to 3 in Chapter 3 2 Remove the AOLE PCB see 3 3 2 3 Remove two screws 1 then remove the hopping motor 2 Copyright 1997 Okidata Division of OKI America Inc All rights reserved See...

Страница 259: ...3 3 1 1 to 3 in Chapter 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 Copyright 1997 Okidata Division of OKI America Inc All rights...

Страница 260: ...ssy 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 3 also comes off at the same time so be careful n...

Страница 261: ...the plate 3 and the frame 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...

Страница 263: ...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 belt 5 and the feed roller 6 Copyright 1997 Okidata Division of OKI Amer...

Страница 264: ...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 displayed on the LCD Liquid Crystal Display on the...

Страница 265: ...sheets Carry out the recovery printing by opening the cover removing paper and closing the cover and then turning the error display off Tray paper out Notifies of no paper state of the Power Envelope...

Страница 267: ...r is fed in does the paper input jam occur YES Is the paper being fed to above sensor plate Inlet YES Is the sensor plate Inlet operating normally NO Replace the sensor plate Inlet YES Clean the Inlet...

Страница 268: ...pping motor Is it normal NO Replace the stepping motor YES Replace the AOLE PCB Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for...

Страница 269: ...Envelope Feeder 5 CONNECTION DIAGRAM 5 1 Interconnection Diagram AOLE PCB Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any...

Страница 270: ...Page 171 Service Guide OL1200 Chapter D Power Envelope Feeder 5 2 PCB Layout AOLE PCB Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business...

Страница 271: ...Partner Exchange BPX for any updates to this material http bpx okidata com...

Страница 272: ...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 B 4PB4043 4743P1 1 9 AOLE PCB 4YA4046 1647G11 1 10 Square sh...

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