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%3.3.13 Fusing Unit Assy

3.3.13 Fusing Unit Assy
(1) Remove the upper cover (see 3.3.1).
(2) Remove the stacker cover assy (see 3.3.10).
(3) Remove four screws 1 and remove the fusing unit 2.
Caution: Fusing unit assy may be hot. Use care when handling.
Notes: • When installing or removing the fusing unit assy, tighten or loosen the screws while holding the
fusing unit down with your hand. • When reinstalling screws 1 , be sure to direct the screws into the
pre-existing hole to avoid damaging the threads. • Do not apply excessive torque when tightening the
screws 1; if these screws are stripped, the entire lower unit assembly must be replaced. • When
reinstalling the fuser, insert the left side first, then lower the right side into place.

OKI OL600/610ex (96-01-18

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Summary of Contents for OL600e

Page 1: ...Chapter 0 Front Cover OKI OL600 610ex 96 01 18 ...

Page 2: ...Trademark Information HP and LaserJet are registered trademarks of Hewlett Packard Company Adobe and PostScript are trademarks o OKI OL600 610ex 96 01 18 ...

Page 3: ...on 1 1 System Configuration OL600e OL610e and OL610e PS consist of control and engine blocks in the standard configu ration as shown in In addition the options marked with an asterisk are available Figure 1 1 OKI OL600 610ex 96 01 18 ...

Page 4: ...r unit consists of the following hardware components Electrophotographic Processor Paper Feeder Main Control PCB Operator Panel OL610e PS Power Supply Unit PS Board OL610e PS The printer unit configuration is shown in Figure 1 2 Figure 1 2 OKI OL600 610ex 96 01 18 ...

Page 5: ... are available for use with OL600e OL610e and OL610e PS These are available separately from the printer unit 1 1MB Memory Expansion Board OL600e 610e 2 SIMM Single In line Memory Module 3 Legal Universal Paper Cassette 4 High Capacity Second Paper Feeder OKI OL600 610ex 96 01 18 ...

Page 6: ... 5 Multi Purpose Feeder OKI OL600 610ex 96 01 18 ...

Page 7: ... First print 25 sec Continuous print 6 pages min for letter size paper Warm up time 60 sec at room temperature 77 F 25 C and rated voltage 120 VAC 7 Paper feeding method Automatic feed or manual feed 8 Paper delivery method Face down face up 9 Resolution OL600e 300 x 300 dots inch OL600e Hiper W driver OL610e OL610e PS 600 x 600 dots inch 10 Power input 120 VAC 5 5 15 ODA 230 VAC 15 15 ODA 11 Powe...

Page 8: ...1 5 Safety Standards 1 5 1 Certification Label 1 5 Safety Standards 1 5 1 Certification Label The safety certification label is affixed to the printer at the location shown below OKI OL600 610ex 96 01 18 ...

Page 9: ...1 5 2 Warning Labels 1 5 2 Warning Labels The warning labels are affixed to the sections that may cause bodily injury Follow the instructions on warning labels during maintenance OKI OL600 610ex 96 01 18 ...

Page 10: ...ISH Las disipadores de color el núcel del transformador pueden producir un choque eléctrico Compruebe antes de tocar PORTUGUESE O dissipador de calor e o núcleo do fransiormador apresentam risco de choque elétrico Teste antes de focar ENGLISH Circuits may be live after fuses open FRENCH Il se peut que les circuits soient sous tension une fois que les fusibles ont été rerirés SPANISH Las circuitos ...

Page 11: ...ta via the host I F these then decode edit and store the data The data is printed on the paper by means of the electrophotographic process mechanism The OL600e and OL610e use proprietary software to control printer operations and status monitoring The OL610e Figure 2 1 shows the OL600e block diagram Figure 2 2 shows the OL610e block diagram Figure 2 3 shows the OL610e PS block diagram OKI OL600 61...

Page 12: ...Figure 2 1 OL600e Block Diagram OKI OL600 610ex 96 01 18 ...

Page 13: ...Figure 2 2 OL610e Block Diagram Figure 2 2 OL610e Block Diagram OKI OL600 610ex 96 01 18 ...

Page 14: ...Figure 2 3 OL610e PS Block Diagram Figure 2 3 OL610e PS Block Diagram OKI OL600 610ex 96 01 18 ...

Page 15: ...and motor signals 2 Program Font ROM OL600e 610e The Program Font ROM stores the equipment program and various types of fonts EPROM or Mask ROM is used for a Program Font ROM The mounting location of this Program Font ROM varies depending on the type of ROM for the mounting location see 7 2 OL610e PS The Program ROM Font ROM store the HP4 emulation program and various types of fonts Mask ROM is us...

Page 16: ... and its fonts Mask ROM is used for the Program Font ROMs 2 DRAM 0 5MB of DRAM s reside on the PS board 3 EEPROM 4 096 bit Electrically Erasable PROM EEPROM is mounted on the PS board for storing the PostScript s menu settings 4 LocalTalk I F AppleTalk protocol data is received from the host system via LocalTalk interface The block diagram is shown in Figure 2 4 Figure 2 4 PS Board Block Diagram O...

Page 17: ...rcuit generates following voltages required for electrophotographic process from 5 V according to the control sequence from the control board When cover open state is detected 5 V supply is interrupted automatically to stop the supply of all high voltage outputs Output Voltage Use Remarks CH 1 35 KV Voltage applied to charging roller DB 300 V 300 V Voltage applied to developing roller SB 450 V 0 V...

Page 18: ...er exists Intel sensor 2 Detects the form width ON A4 or larger OFF Smaller than A4 Paper sensor Detects the leading portion of the paper Monitors the paper feeding situation ON Paper exists OFF No paper exists Outlet sensor Monitors the paper feeding and size according to the time of arrival to and leaving past the sensor ON Paper exists OFF No paper exists Paper end sensor Detects the end of the...

Page 19: ... rotation 3 Drum Motor The drum motor is a pulse motor of 48 steps rotation which is two phase excited by the signal from the Main Control PCB and is the main motor of this mechanism 4 LED Head Image data for each dot line from the control board is received by the shift register and latch register The 2560 2496 LEDs are driven to radiate the image data on the image drum 5 Fuser The fuser consists ...

Page 20: ...lectrostatic 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 electricity 4 Transfer When paper is placed over the image drum surface the positive charge which is opposite in polarity to that of the toner is applied to the reverse side by the transfer roller The toner is attracted by th...

Page 21: ...Figure 2 7 Figure 2 8 OKI OL600 610ex 96 01 18 ...

Page 22: ... so turning any of these gears in the reverse direction will not transmit the motion to the corresponding roller a Hopping 1 For hopping the registration motor turns in direction a CW direction and drives the hopping roller to advance the paper until the inlet sensor turns on in this case the registration gear also turns but the registration roller is prevented from turning by the one way bearings...

Page 23: ...ion b CCW direction drives the registration roller to advance the paper in this case the hopping gear also turns but the hopping roller is prevented from turning by the one way bearings 2 The paper is further advanced in synchronization with the print data OKI OL600 610ex 96 01 18 ...

Page 24: ...roller consists of two layers a conductive layer and a surface protective layer both having elasticity to secure good contact with the image drum When the DC voltage applied by the power supply exceeds the threshold value charging begins The applied voltage is proportional to the charge potential with an offset of approximately 550V OKI OL600 610ex 96 01 18 ...

Page 25: ...roller When the light from the LED head irradiates the image drum surface the light energy generates positive and negative carriers in the CGL The positive carriers are moved to the CTL by an electrical field acting on the image drum Likewise the negative carriers flow into the aluminum layer ground The positive carriers moved to the CTL combine with the negative charges on the image drum surface ...

Page 26: ...OKI OL600 610ex 96 01 18 ...

Page 27: ...ng roller surface is charged positive and the toner is charged negative 2 The toner attracted to the developing roller is scraped off by the doctor blade forming a thin coat of toner on the developing roller surface 3 Toner is attracted to the exposed portion low potential part of the image drum at the contact of the image drum and the developing roller making the electrostatic latent image visibl...

Page 28: ...OKI OL600 610ex 96 01 18 ...

Page 29: ...pplied to the paper from the reverse side The application of a high positive voltage from the power supply to the transfer roller causes the positive charge inducement on the transfer roller surface transferring the charge to the paper as it contacts the transfer roller The toner with negative charge is attracted to the image drum surface and it is transferred to the upper side of the paper due to...

Page 30: ...porates a 400W heater Halogen lamp which heats the roller A thermistor which is in contact with the heater roller regulates the temperature of the heater roller at a predetermined level about 165 C A safety thermostat cuts voltage supply to the heater off by opening the thermostat in the event of abnormal temperature rises The back up roller is held under a pressure of 3 8 kg applied by the pressu...

Page 31: ...ing 7 Cleaning When the transfer is completed the residual toner left on the image drum is attracted to the cleaning roller by static electricity and the image drum surface is cleaned OKI OL600 610ex 96 01 18 ...

Page 32: ...is turned on Warming up after the opening and closing of the cover When the number of sheets accumulated reaches 10 or more and the printout operation ends Cleaning initiated by the user Changes in bias voltage applied to each roller moves the excess toner off the roller to the image drum and returns it to the developer OKI OL600 610ex 96 01 18 ...

Page 33: ...r has reached the inlet sensor The trailing edge of the paper does not pass over the paper sensor within a predetermined distance after the same has passed over the inlet sensor The leading edge of paper does not reach the outlet sensor within a predeter mined distance after the paper has reached the paper sensor Paper exit jam The paper is in contact with the outlet sensor when the power is turne...

Page 34: ...Paper Feed Timing Chart OKI OL600 610ex 96 01 18 ...

Page 35: ...per feed error Hopping start to In sensor on 72 0 36 0 _ Paper feed jam In sensor on to Write sensor on 20 0 20 0 _ Paper feed jam Write sensor on to Out sensor on 140 5 25 0 _ Paper size error In sensor on to Out sensor on Depends on the paper length 45 0 45 0 Paper exit jam Out sensor on to Out sensor off Depends on the paper length 45 0 45 0 Paper feed jam In sensor off to Write sensor off 22 2...

Page 36: ...EXEC 266 7 221 7 311 7 A6 148 0 103 0 193 0 Monarch 190 5 145 5 235 5 COM 9 COM 10 241 3 196 3 286 3 DL 220 0 175 0 265 0 C5 229 0 184 0 274 0 Free 110 0 355 6 65 0 400 6 OKI OL600 610ex 96 01 18 ...

Page 37: ...ring Toner Full state The stirring gear rotates the stirring bar When toner is present the stirring bar moves through the toner at a constant rate Operation during Toner Low state When toner is low or empty the stirring bar rises to the maximum height and then falls to the minimum height by its own weight This increases the time of its encounter with the magnet on the sensor lever By monitoring th...

Page 38: ...tate When there is no change with the toner sensor for 2 cycles 4 875 sec x 2 or more the Toner Sensor Alarm is activated The toner sensor is not monitored while the drum motor is in halt OKI OL600 610ex 96 01 18 ...

Page 39: ...nd interface cable to the printer ii Plug the power cord into the outlet iii Turn on l the power switch 2 Do not try to disassemble as long as the printer is operating normally 3 Do not remove parts which do not need to be touched try to keep disassembly to a minimum 4 Use specified service tools 5 When disassembling follow the procedure in sequence laid out in this manual Parts may be damaged if ...

Page 40: ...OKI OL600 610ex 96 01 18 ...

Page 41: ... 3 2 Parts Layout Lower base unit 3 2 Parts Layout This section describes the layout of main parts of the equipment Lower base unit Figure 3 1 OKI OL600 610ex 96 01 18 ...

Page 42: ... Upper cover unit Upper cover unit Figure 3 2 OKI OL600 610ex 96 01 18 ...

Page 43: ... Base unit Base unit Figure 3 3 OKI OL600 610ex 96 01 18 ...

Page 44: ... 3 3 How to Change Parts 3 3 How to Change Parts This section explains how to change parts and assemblies listed in the disassembly diagram below OKI OL600 610ex 96 01 18 ...

Page 45: ... inside the cover 6 Open the stacker cover assembly 6 by pressing the knobs 7 on the left and right sides 7 Remove the image drum unit 8 8 Remove two screws 9 and open the manual feed guide assy 10 Lift up the front of the upper cover 11 and release the claws at two locations on the back side Lift the cover straight up one or two inches rotate the cover about 45 degrees to clear the face up stacke...

Page 46: ... 3 3 2 Stacker 3 3 2 Stacker 1 Remove the upper cover See 3 3 1 2 Remove two stacker clamps 1 and the stacker 2 by flexing the upper cover OKI OL600 610ex 96 01 18 ...

Page 47: ... ground clip 4 Note Be sure not to directly touch or push the SLA lens part of the LED head After mounting the new LED head set drive time of the LED head according to the marking on the LED head see 4 2 1 For the installation of the flexible cable LED 1 install the PC connector 2 to the flexible cable LED 1 first then connect the LED head 3 to the PC connector When installing a new LED head be ca...

Page 48: ... flatblade screwdriver press the clamp on the left side of the eject roller assy 1 in the direction of the arrow Detach the eject roller assy from the lower base unit 2 and remove it Note When installing the eject roller verify that the right side of the roller assembly is properly aligned with the main unit OKI OL600 610ex 96 01 18 ...

Page 49: ...3 3 5 Pulse Motor Main 1 Remove the upper cover see 3 3 1 2 Remove the connector 3 from CN2 2 of the Main Control PCB 1 3 Remove two screws 4 and remove the pulse motor main 6 from the motor bracket 5 OKI OL600 610ex 96 01 18 ...

Page 50: ...6 Pulse Motor Registration 1 Remove the upper cover see 3 3 1 2 Remove the connector 3 from CN3 2 of the Main Control PCB 1 3 Remove two screws 4 and remove the pluse motor registration 6 from the motor bracket 5 OKI OL600 610ex 96 01 18 ...

Page 51: ...w 9 from the grounding cable and the metal shield The screw is located directly above CN1 and the 8 pin DIN connector for the second feeder multi purpose feeder 4 Remove the connector 6 of the LED head from the Main Control PCB 1 5 Remove seven screws 7 then remove the lower base unit 8 Note Use care when lifting the lower base unit Do not deform the ground clip 10 for the second sheet feeder OKI ...

Page 52: ... lower base unit on its left side as shown Free the pulse and main motor cables from the lower base unit at location 3 and unlock two clamp levers 2 then remove the motor assy 1 Note Use special care because the idle gears and the reduction gear are not permanently attached and will become loose OKI OL600 610ex 96 01 18 ...

Page 53: ... 3 3 7 3 Remove the motor assy see 3 3 8 4 With the lower base unit 1 standing on its side remove the one way clutch gear 2 and the bearing A 3 then remove the hopping roller assy 4 and the bearing B 5 Note Take special note of the orientation and position of the bearings Do not lose the bearings OKI OL600 610ex 96 01 18 ...

Page 54: ...ounding screw see 3 3 7 steps 3 4 3 Remove the reset lever R 1 Remove the reset spring 2 then turn L 4 in direction A to release the tabs on the face down stacker cover assy 5 4 Release two pins of the lower base unit 3 then remove the stacker cover assy 5 Note Use care when removing the stacker assy because the cover close damper 6 is not permanently attached OKI OL600 610ex 96 01 18 ...

Page 55: ...ith the lower base unit standing on its side view A remove the one way clutch gear 1 5 Note the placement of the bearing on the left side of the registration roller Press the registration roller 2 to the right side in the direction of the arrow as shown and lift up the left side Remove the registration roller 2 and the bearing registration 3 OKI OL600 610ex 96 01 18 ...

Page 56: ...ear 1 by unlocking the latch 4 of the main unit with a small flathead screwdriver never apply an excessive force when unlocking the latch 4 Lift the right side of the transfer roller 2 and shift it to the right side then pull it out from the main unit at this time the bearings 3 of the left and right sides of the transfer roller 2 will release themselves Note Use great care the bearings are not pe...

Page 57: ...ing the fusing unit assy tighten or loosen the screws while holding the fusing unit down with your hand When reinstalling screws 1 be sure to direct the screws into the pre existing hole to avoid damaging the threads Do not apply excessive torque when tightening the screws 1 if these screws are stripped the entire lower unit assembly must be replaced When reinstalling the fuser insert the left sid...

Page 58: ...sy see 3 3 8 6 Remove the reset lever R see 3 3 10 for location Press down on the fusing pressure roller to take pressure off of the reset lever R 7 Lift the right side of the fusing pressure roller 1 and pull it out to the right side at this time two bushings 2 and the bias springs 3 will release themselves Note Do not bend or lose springs Note the orientation and position of the bearings springs...

Page 59: ...sor Plate Inlet 1 Remove the upper cover see 3 3 1 2 Remove the lower base unit see 3 3 7 3 Press the clamps of three sensor plates inlet 1 and remove the sensor plates by pressing them upward from the bottom side OKI OL600 610ex 96 01 18 ...

Page 60: ...sion 3 3 16 Toner Sensor Adhesion 1 Remove the upper cover see 3 3 1 2 Remove the lower base unit see 3 3 7 3 Press the clamp of the toner sensor 1 and remove the sensor by pushing it up from the bottom OKI OL600 610ex 96 01 18 ...

Page 61: ...ct roller assy see 3 3 4 3 Remove the lower base unit see 3 3 7 4 Remove the fusing unit assy see 3 3 13 5 Press the clamp of the sensor plates outlet 1 and remove the sensor plate by pushing it up from the bottom Note This is a two part sensor Use great care when handling replacing OKI OL600 610ex 96 01 18 ...

Page 62: ...upper cover see 3 3 1 2 Open the manual feed guide assembly 1 and release the engagement on both sides with the main unit by carefully bending the manual feed guide assy 1 Note When re mounting verify the proper the engagements as shown in the diagram OKI OL600 610ex 96 01 18 ...

Page 63: ... Supply 3 3 19 Sensor Plate Paper Supply 1 Remove the upper cover see 3 3 1 2 Remove the lower base unit see 3 3 7 3 Press the clamp of the sensor plate paper supply 1 and remove it from the base plate 2 OKI OL600 610ex 96 01 18 ...

Page 64: ...er supply board 3 5 Disconnect the LED head cable the fan motor connector 5 the main motor connector CN2 and the registration motor connector CN3 from the Main Control PCB CN1 On the OL610e PS disconnect the operator panel cable Then remove the Main Control PCB 2 together with the PCB guide plate 4 6 Remove three screws 6 and two posts 7 and remove the PCB guide plate 4 from the Main Control PCB 2...

Page 65: ...rew 4 and remove the ground cable 5 6 Remove three screws 6 and remove the power supply board 7 and contact assembly 8 at the same time 7 Unlock two claws 9 and remove the contact assembly 8 from the power supply board 7 Notes When mounting the lower base unit be careful around the paper end sensor Do not apply excessive force to the power switch during reassembly When reinstalling the power suppl...

Page 66: ...OKI OL600 610ex 96 01 18 ...

Page 67: ...ve the upper cover see 3 3 1 2 Remove the lower base unit see 3 3 8 3 Remove the connectors CN1 and CN2 4 Remove the inlet 3 from the inlet holder 2 5 Remove two screws 1 and remove the inlet holder 2 and the transformer 4 OKI OL600 610ex 96 01 18 ...

Page 68: ...e lower base unit see 3 3 8 4 Remove the Main Control PCB see 3 3 21 5 Remove the power supply board see 3 3 22 6 Remove the screw 1 and remove the cassette guide L 2 by shifting it in the direction of the arrow 7 Detach the eject spring 3 and remove the support spring 4 from the cassette guide L 2 OKI OL600 610ex 96 01 18 ...

Page 69: ...see 3 3 1 3 Remove the lower base unit see 3 3 8 4 Remove the Main Control PCB see 3 3 21 5 Remove the screw 1 and remove the cassette guide R 2 by shifting it in the direction of the arrow 6 Pull the eject spring 3 out of the cassette guide R 2 then remove the support spring 4 OKI OL600 610ex 96 01 18 ...

Page 70: ...criptions of these functions are provided in Appendix C Software Diagnostics Adjustments 4 1 3 Engine Maintenance MenuOL610e PS Note Only service personnel should use this mode it should not be released to end users To enter the engine maintenance menu turn the printer on while holding down the FORM FEED and ENTER buttons Functions Head drive time setting Drum count total display Printing start po...

Page 71: ...ty marking of the replacement LED head new part is same as that of the removed 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 set by setting the parameter of drive time of EEPROM according to the lumious intensity marking on the LED head a Table of lumious intensity marking and drive time parameter ...

Page 72: ...082 30 181 195 19 083 088 29 196 211 18 089 096 28 212 228 17 097 104 27 229 247 16 105 112 26 248 268 15 113 121 25 169 290 14 122 131 24 291 313 13 b Setting Example Method for setting the parameter to 19 for case where the previous parameter setting was 21 OL610e PS OKI OL600 610ex 96 01 18 ...

Page 73: ...OL600e OL610e 1 At the DOS prompt enter OL600 S then click on Service tab 2 On the Head Drive Time listbox click the up arrow until 19 shows in the box 3 Click OK OKI OL600 610ex 96 01 18 ...

Page 74: ...parts are to be replaced periodically as specified below Part name Condition for replacement Cleaning Remarks Toner cartridge About 2 000 sheets of paper have been printed LED head Consumables Image drum cartridge About 20 000 sheets of paper have been printed LED head Consumables OKI OL600 610ex 96 01 18 ...

Page 75: ...g the LED Lens Array Clean the LED lens array or replace the toner cartridge when white lines or stripes void light printing appear vertically down the page as shown below Note The LED lens array must be cleaned with an LED head cleaner provided with each toner replacement kit 1 Set the LED head cleaner to the LED lens array as shown in the figure then slide the cleaner back and forth horizontally...

Page 76: ... 2 Throw the cleaner pad away OKI OL600 610ex 96 01 18 ...

Page 77: ...motor Section 3 3 5 Gear on the shaft of the registration motor Section 3 3 6 Teeth of the reduction gear Section 3 3 8 Inside of bearings hopping roller assy Section 3 3 9 Hopping roller shaft Section 3 3 9 Inside of the pivot points of the reset levers Section 3 3 10 Gear on the damper stacker arm Section 3 3 10 Stacker cover damper gear Section 3 3 10 Transfer roller gear Section 3 3 12 Inside ...

Page 78: ... when handling electrostati cally sensitive components 6 1 Troubleshooting Tips 1 Check the toubleshooting section in the users manual and soft manual 2 Gather as much information about the situation as possible 3 Inspect the equipment under the conditions close to those in which the problem had occurred OKI OL600 610ex 96 01 18 ...

Page 79: ...g Image Problems 1 Is the printer being used in proper ambient conditions 2 Are supplies toner and routine replacement parts image drum cartridge being replaced properly 3 Does the paper being used meet specifications 4 Is the image drum cartridge installed properly OKI OL600 610ex 96 01 18 ...

Page 80: ...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 away from the fuser unit as it heats up during operation 4 Do not expose the image drum to light for longer than 5 minutes at room temperature OKI OL600 610ex 96 01 18 ...

Page 81: ...ng 1 Operator panel display The failure status of the printer is displayed on the software based Status Monitor OL600e 610e or on the liquid crystal display LCD of the operator panel OL610e PS Take proper corrective action as directed by messages OKI OL600 610ex 96 01 18 ...

Page 82: ... 6 5 Troubleshooting Flow 6 5 Troubleshooting Flow Should there be a problem with the printer troubleshoot according to the following procedure flow OKI OL600 610ex 96 01 18 ...

Page 83: ...us Message Trouble List Table 6 1 lists status messages and remedies The messages are listed as they appear on the LCD display of the OL610e PS For the OL600e and OL610e similar messages appear in the Status Monitor window OKI OL600 610ex 96 01 18 ...

Page 84: ...OKI OL600 610ex 96 01 18 ...

Page 85: ... Status Message Trouble List Continued OKI OL600 610ex 96 01 18 ...

Page 86: ...OKI OL600 610ex 96 01 18 ...

Page 87: ... Status Message Trouble List Continued OKI OL600 610ex 96 01 18 ...

Page 88: ...OKI OL600 610ex 96 01 18 ...

Page 89: ...le list follow the troubleshooting flowcharts given here to deal with them No Trouble Flowchart number 1 The printer does not work normally after the power is turned on 1 2 Jam alarm Paper input jam Paper feed jam Paper exit jam 2 1 2 2 2 3 3 Paper size error 3 4 Fusing unit error 4 4 5 Fan error 5 OKI OL600 610ex 96 01 18 ...

Page 90: ... 1 The printer does not work normally after the power is turned on 1 The printer does not work normally after the power is turned on OKI OL600 610ex 96 01 18 ...

Page 91: ...Figure 6 1 Low voltage Power Supply Block Diagram OKI OL600 610ex 96 01 18 ...

Page 92: ... JAM error 2 1 Paper input jam JAM error 2 1 Paper input jam OKI OL600 610ex 96 01 18 ...

Page 93: ... JAM error 2 2 Paper feed jam JAM error 2 2 Paper feed jam OKI OL600 610ex 96 01 18 ...

Page 94: ...OKI OL600 610ex 96 01 18 ...

Page 95: ... JAM error 2 3 Paper exit jam JAM error 2 3 Paper exit jam OKI OL600 610ex 96 01 18 ...

Page 96: ... 3 Paper size error 3 Paper size error OKI OL600 610ex 96 01 18 ...

Page 97: ... 4 Fusing unit error ERROR 71 ERROR 72 ERROR 73 4 Fusing unit error ERROR 71 ERROR 72 ERROR 73 OKI OL600 610ex 96 01 18 ...

Page 98: ... 5 Fan error ERROR 70 5 Fan error ERROR 70 OKI OL600 610ex 96 01 18 ...

Page 99: ...al images Problem Flowchart number Images are light or blurred entirely Figure 6 3 A 1 Dark background density Figure 6 3 B 2 Blank paper is output Figure 6 3 C 3 Black vertical stripes Figure 6 3 D 4 Cyclical defect Figure 6 3 E 5 Print voids 6 Poor fusing images are blurred or peeled off when touched by hands 7 White vertical streaks Figure 6 3 F 8 Figure 6 3 OKI OL600 610ex 96 01 18 ...

Page 100: ... 1 Images are light or blurred entirely 1 Images are light or blurred entirely OKI OL600 610ex 96 01 18 ...

Page 101: ... 2 Dark background density 2 Dark background density OKI OL600 610ex 96 01 18 ...

Page 102: ... 3 Blank paper is output 3 Blank paper is output OKI OL600 610ex 96 01 18 ...

Page 103: ... 4 Black vertical belts or stripes 4 Black vertical belts or stripes OKI OL600 610ex 96 01 18 ...

Page 104: ...ller 1 56 39 6 mm Replace the image drum cartridge Cleaning roller 1 24 31 4 mm Replace the image drum cartridge Transfer roller 2 01 51 0 mm Replace the transfer roller Heat roller 2 47 62 8 mm Replace the fusing unit assy Back up roller 2 72 69 08 mm Replace the back up roller Notes 1 After replacing the image drum cartridge reset the drum counter 2 After replacing the fusing unit assy reset the...

Page 105: ... 6 Print voids 6 Print voids OKI OL600 610ex 96 01 18 ...

Page 106: ... 7 Poor fusing 7 Poor fusing OKI OL600 610ex 96 01 18 ...

Page 107: ... 8 White vertical belts or streaks 8 White vertical belts or streaks OKI OL600 610ex 96 01 18 ...

Page 108: ...Figure 6 4 Figure 6 5 OKI OL600 610ex 96 01 18 ...

Page 109: ...Chapter 7 7 1 Interconnect Signal Diagram 7 WIRING DIAGRAM 7 1 Interconnect Signal Diagram OKI OL600 610ex 96 01 18 ...

Page 110: ... 7 2 PCB Layout and Connector Signal List 1 Control Board 7 2 PCB Layout and Connector Signal List 1 Control Board OL600e LQ5C PCB OL610e and OL610e PS LQ6C PCB OKI OL600 610ex 96 01 18 ...

Page 111: ... 2 Power Supply Board 2 Power Supply Board OKI OL600 610ex 96 01 18 ...

Page 112: ... 3 PS Board LQ8A OL610e PS 3 PS Board LQ8A OL610e PS OKI OL600 610ex 96 01 18 ...

Page 113: ... CN1 Pin Assignment To Fan motor CN1 Pin Assignment To Fan motor OKI OL600 610ex 96 01 18 ...

Page 114: ... CN2 Pin Assignment To Drum motor CN2 Pin Assignment To Drum motor Excitation sequence OKI OL600 610ex 96 01 18 ...

Page 115: ... CN3 Pin Assignment To Registration motor CN3 Pin Assignment To Registration motor Excitation sequence OKI OL600 610ex 96 01 18 ...

Page 116: ... CN4 Pin Assignment To LED head CN4 Pin Assignment To LED head OKI OL600 610ex 96 01 18 ...

Page 117: ... CN6 Pin Assignment To Option feeder CN6 Pin Assignment To Option feeder OKI OL600 610ex 96 01 18 ...

Page 118: ... Power Pin Assignment Power Pin Assignment To power supply board OKI OL600 610ex 96 01 18 ...

Page 119: ... CN8 Pin Assignment CN8 Pin Assignment Centro Parallel OKI OL600 610ex 96 01 18 ...

Page 120: ... CN11 Pin Assignment CN11 Pin Assignment To Option board OKI OL600 610ex 96 01 18 ...

Page 121: ... PS Board OL610e PS PS Board OL610e PS CN1 Pin Assignment To LocalTalk RS422 OKI OL600 610ex 96 01 18 ...

Page 122: ... PS Board OL610e PS PS Board OL610e PS CN2 Pin Assignment To Main Control PCB OKI OL600 610ex 96 01 18 ...

Page 123: ... 7 3 Resistance Check 7 3 Resistance Check OKI OL600 610ex 96 01 18 ...

Page 124: ...10e PS LQ6C PCB Note Q3 is mounted on PLCW 3 PCB only Short plug settings Short plug Plug setting Description Factory setting SP2 A 5 V is supplied to pin 18 of Centronics parallel I F connector A side B High level is supplied to pin 18 Centronics parallel I F connector OKI OL600 610ex 96 01 18 ...

Page 125: ...Hopping roller rubber 4PB4122 1280P1 1 1 2 Bearing 4PP4083 6022P2 4 4 51607402 3 Gear one way clutch 4PB4083 6024P1 2 2 51228901 4 Registration roller 3PB4083 6030P1 1 1 53342501 5 Bearing Registration 4PP4083 6031P1 1 1 51607501 6 Transfer roller 3YB4083 7640P4 1 1 50409304 6 2 Bearing TR 3PP4083 6289P1 1 1 51609001 6 3 TR Gear 3PP4083 6290P1 1 1 51236601 OKI OL600 610ex 96 01 18 ...

Page 126: ...1 1 56513301 22 1 Pulse motor main idle gear 3PP4076 6145P1 1 1 51236701 22 2 Pulse motor registration gear 3PP4076 6146P1 1 1 51236801 23 Reduction gear 3PP4076 6147P1 1 1 51236901 24 Fusing unit 120V 2YX4083 6100G5 1 1 50217505 Fusing unit 230V 2YX4083 6100G6 1 1 50217506 25 Eject roller assy 2PA4083 6120G2 1 1 53342802 26 Manual feed guide assy 2PA4083 6130G1 1 1 51011001 27 Face down stacker c...

Page 127: ...pper cover unit No Name Rating Part No USE Remarks 1 Upper cover 2PP4083 6808G1 1 53070301 2 Stacker 1PP4094 7814P1 1 50101301 3 Stacker clamp 3PP4094 7816P1 2 50708001 4 Guide wire 4PB3517 1567P1 1 51013801 5 Leaf spring 3PP3517 1601P1 1 OKI OL600 610ex 96 01 18 ...

Page 128: ...G1 1 1 51011301 4 Cassette eject spring 4PP4083 6152P1 2 2 50924401 5 Sensor plate paper end 4PP4083 6082P1 1 1 51011401 6 Insulator 3PB4083 6144P1 1 1 51709401 7 Control board LQ5C 4YA4046 1670G11 1 55079811 Control board LQ6C 4YA4046 1671G11 1 8 Power supply board 120V 4YA4049 7101G01 1 1 56414901 Power supply board 230V 4YA4049 7101G02 1 1 56414902 9 Transformer 120V 4YB4049 7032P3 1 1 56414703...

Page 129: ...12 AC cord 120V 1 1 56609701 AC cord 220240V 1 1 56624301 AC cord U K 1 1 56624501 13 Cassette sensor plate 3PP4083 6154P1 1 1 51011501 14 Paper cassette 4YA4083 6260G2 1 1 15 Support spring 4PP4083 6153P1 2 2 50924501 16 Inlet holder 4PP4083 6145P1 1 1 50516301 17 Ground plate 4PP4083 6137P1 1 1 51011601 OKI OL600 610ex 96 01 18 ...

Page 130: ...pe 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 Shielded cable composed of twisted pair wires is required for FCC compliance IEEE 1284 compatible cable is required for use with DOS and Windows printer conrtrol software Note Cable is not supplied Connector pin arrangement OKI OL600 610ex 96 01 18 ...

Page 131: ...V 5 Interface Circuit a Receiving Circuit b Sending Circuit 6 Timing Charts a Data Receiving Timing b On line off line switching timing by ON LINE SW HP4 emulation c Off line on line switching timing by ON LINE SW HP4 emulation OKI OL600 610ex 96 01 18 ...

Page 132: ...d INPUT PRIME timing when set to the effective INPUT PRIME signal on HP4 emulation OKI OL600 610ex 96 01 18 ...

Page 133: ...ded max length 10 ft 3 m For noise prevention RS422 6 ft 1 8 m max 3 Interface signal Pin No Signal Name Abbreviation Signal Direction Description 1 Not used 2 Sync signal SYNC PR Not used 3 Transmit data minus TxD PR Transmit data minus polarity 4 Signal ground SG Signal ground 5 Receive data minus RxD PR Receive data minus polarity 6 Transmit data plus TxD PR Transmit data plus polarity 7 Not us...

Page 134: ...parameter settingOL610e PS The following settings are possible by pressing key after selecting the display contents of the LCD of the operator panel by using and keys Settings are retained even when the printer power is turned off By pressing key menu setting mode is completed and the printer returns to ON LINE state OKI OL600 610ex 96 01 18 ...

Page 135: ... a LocalTalk RS422 switching a LocalTalk RS422 switching Press key for 2 seconds to enter the menu mode level 2 then press key 7 times Press key Press OKI OL600 610ex 96 01 18 ...

Page 136: ...key 6 times Item ACTIV 422 Selection Function LOCALTK LocalTalk I RS422 RS422 I F Factory Setting LOCALTK Press key Setting completed OKI OL600 610ex 96 01 18 ...

Page 137: ...F parameter setting b RS422 I F parameter setting Keep key down for more than 2 seconds and bring the printer into menu setting mode level 2 Next press key 8 times Press key Item BAUDRATE OKI OL600 610ex 96 01 18 ...

Page 138: ...d 2400 2400 baud 4800 4800 baud 9600 9600 baud 19200 19200 baud 38400 38400 baud Factory Setting 9600 baud Press key Item DATABITS Selection Function 8 BITS 8 bit length 7 BITS 7 bit length 7 bit length Factory Setting 8 bit Press key OKI OL600 610ex 96 01 18 ...

Page 139: ...Item PARITY Selection Function NONE No parity EVEN Even parity ODD Odd parity Factory Setting No parity Factory Setting 8 bit Press key Setting completed OKI OL600 610ex 96 01 18 ...

Page 140: ...Printing starts automatically when the received data exceeds one page If the received data is less than one page printing can be activated manually be pressing the Form Feed key after changing to the OFF LINE mode To print automatically even when the received data is less than one page select the Auto Eject function on the menu To exit from this menu turn the power off 2 Menu Reset All settings fo...

Page 141: ...OKI OL600 610ex 96 01 18 ...

Page 142: ...unctions without connecting the printer to the host The data is sent and received by loop back in the loop test The loop test is carried out even when another interface is selected in Menu level 2 Installation of the loop connector is necessary for the loop test The realtime loop count is displayed on the LCD When an error occurs in the course of the test the corresponding error message is display...

Page 143: ...otal Display Displays on the LCD the total number of drum revolutions of the unit counted at the engine block 4 Drum Count Display Displays on the LCD the total number of EP drum revolutions counted at the engine block 5 Factory Adjustment for High Capacity Second Paper Feeder Multi Purpose Feeder Do not change the default settings 6 Engine Reset All EEPROM areas used by the engine block are reset...

Page 144: ...OKI OL600 610ex 96 01 18 ...

Page 145: ...ory OEL Setting Turn the power on while holding down the Menu key and the LAST key 3 Factory Non Europe Setting Turn the power on while holding down the Menu key and the FORM FEED key After executing a factory user setting operation set the EEPROM areas which are for other than the engine block to the factory default values Note 1 units are set for the intended destination at the time of shipment ...

Page 146: ...and S keys 2 1 1 Reset Item Click on the item to be reset then click on Reset 1 EEPROM Resets all EEPROM areas including Menu level 2 to the factory default values The following items are not reset Head drive time setting Fine adjustment of printing start position Standard tray paper feed amount setting 2 Menu Resets all level 1 menu settings to factory fefault values including all available emula...

Page 147: ... 1 5 Print Start Position This setting is for shippingdo not change it 6 Market Place Set at the factory for the region the unit will be shipped to ODA US default North South America OEL Europe Non Europe 1 Australia Non Europe 2 Singapore Far East Must be set to ODA for proper default settings for language symbol set page size etc If incorrectly set menu page will read OL600ex or OL610ex 7 Revisi...

Page 148: ... Service Manual Apednix is intended for service personnel It describes the field maintenance procedures for the Multi Purpose Feeder option for OL600e Series LED Page Printers Refer to the Multi Purpose Feeder Instruction Sheet and Printer Handbook for equipment handling and operation OKI OL600 610ex 96 01 18 ...

Page 149: ...s Replacement Methods D 9 3 3 1 Link D 10 3 3 2 Separator D 11 3 3 3 OLEV 11 PCB D 12 3 3 4 Pulse Motor D 13 3 3 5 Planet Gear D 14 3 3 6 Roller A and B D 15 4 TROUBLESHOOTING PROCEDURES D 16 4 1 Precautions Prior to the Troubleshooting D 16 4 2 Preparations for the Troubleshooting D 16 4 3 roubleshooting Method D 18 4 3 1 LCD Status Message List D 18 5 CONNECTION DIAGRAM D 20 5 1 Interconnection ...

Page 150: ...20 lb Special Paper OHP sheets for PPC label sheets PPC sheets Not guaranteed for OHP sheets with attachments on the edge or reverse side Cut Sheet Size Letter Executive A4 A5 B5 A6 Special Size Width 87 to 216mm Length 148 to 297mm Weight and Thickness 16 lb to 32 lb 60 128 g m 2 For Label and OHP Sheets Label sheets 0 1 to 0 15mm OHP sheets 0 08 to 0 11mm When using sheets which exceed 24 lb mak...

Page 151: ...r A and B The paper is delivered from the separator into the printer Once delivered into the printer the paper is then controlled and fed through by pulse motor Registration of the printer 2 2 Hopper Mechanism The hopper automatically feeds the printer with the paper being set single sheet at a time After the paper is set in the Multi Purpose Feeder the pulse motor moves the paper and a single pap...

Page 152: ...e Feeder 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 Use only specified service tools 5 Disassembly must be carried out according to the prescribed procedures Parts may be damaged if such procedures are not followed 6 Small parts such as screws and collars can easily be lost therefore t...

Page 153: ... 3 2 Parts Layout 3 2 Parts Layout This section describes the layout of the main components Figure 3 1 OKI OL600 610ex 96 01 18 ...

Page 154: ...e components listed in the disassembly order diagram below 3 3 1 Link 1 Open paper feed cover 1 and disengage the paper feed cover 1 and Link 3 while lifting the paper hold 2 2 Remove the paper hold 2 off the arm 4 3 Disengage the link 3 from the arm 4 and remove it Be careful not to damage the link and arm OKI OL600 610ex 96 01 18 ...

Page 155: ...s 1 disengage the locks at 2 locations on the upper frame 2 with a screwdriver and remove the upper frame 2 4 Remove the 2 screws 3 and take out the separator assembly 4 5 Disengage the separator 7 from the separator bracket 6 while lifting the paper hold 5 and take out the separator Be careful not to lose the spring 8 when you are doing this OKI OL600 610ex 96 01 18 ...

Page 156: ...he upper frame see 3 3 2 steps 1 through 3 2 Remove the connector 1 3 Remove the 2 screws 2 and remove the OLEV 11 PCB 3 When mounting the printed circuit board be careful to make sure that the sensor plate is set correctly OKI OL600 610ex 96 01 18 ...

Page 157: ... 3 4 Pulse Motor 3 3 4 Pulse Motor 1 Remove the upper frame see 3 3 2 steps 1 through 3 2 Remove the OLEV 11 PCB see 3 3 3 3 Remove the 2 screws 1 and remove the stepping motor 2 OKI OL600 610ex 96 01 18 ...

Page 158: ...ear 3 3 5 Planet Gear 1 Remove the upper frame see 3 3 2 steps 1 through 3 2 Remove the OLEV 11 PCB see 3 3 3 3 Remove the 2 screws 1 and remove the motor bracket assembly 2 and planet gear 3 OKI OL600 610ex 96 01 18 ...

Page 159: ...l not to deform the sensor lever 1 Remove the upper frame see 3 3 2 steps 1 through 3 2 Remove the separator assembly see 3 3 2 3 Remove the OLEV 11 PCB see 3 3 3 4 Remove the motor bracket see 3 3 5 5 Remove the gear 1 6 Shift the roller A 2 to the right lift it on its left side and slide it out bearing 3 also comes off while you are doing this so be careful not to lose it OKI OL600 610ex 96 01 1...

Page 160: ...ecautions Prior to Troubleshooting 1 Go through the basic checking items provided in the Operator Guide 2 Obtain detailed information concerning the problem from the user 3 Go through the checking in the conditions similar to that in which the problem occurred OKI OL600 610ex 96 01 18 ...

Page 161: ...ay on the operator panel The status of the problem is displayed on the operator panel OL610e PS or in the printer control software other models Go through the appropriate troubleshooting procedures according to the messages displayed ODA OEL Ready LED display OKI OL600 610ex 96 01 18 ...

Page 162: ...according to the following procedure 4 3 1 Status Message List Table 6 1 lists status messages and error recovery procedures Messages are listed as they appear on the LCD display of the OL610e PS For the OL600e and OL610e similar messages appear in the Status Monitor window JAM error OKI OL600 610ex 96 01 18 ...

Page 163: ...OKI OL600 610ex 96 01 18 ...

Page 164: ... 5 CONNECTION DIAGRAM 5 CONNECTION DIAGRAM 5 1 Interconnection Diagram 5 2 PCB Layout OLEV 11 PCB OKI OL600 610ex 96 01 18 ...

Page 165: ...201 1 2 Planet gear 4PP4083 5520P1 51229601 1 3 Link 3PP4083 5540P1 53344101 1 4 Separator 4PP4083 5544G1 5334201 1 5 Pulse motor Pulse motor 56510701 1 Same as printer unit 6 OLEV PCB OLEV PCB 55074811 1 7 Connection cord 3YS4011 3141P1 56631201 1 8 Roller B 3PB4083 5523P1 53343901 1 9 Separator assy 3PA4083 5549 53347101 1 Includes 3 and 4 above OKI OL600 610ex 96 01 18 ...

Page 166: ...s Service Manual Appendix Manual is intended for service personnel It describes the field maintenance procedures for the High Capacity Second Paper Feeder option for OL600e Series LED Page Printers Refer to the Second Paper Feeder Instruction Sheet and the Printer Handbook for equipment handling and operation OKI OL600 610ex 96 01 18 ...

Page 167: ...rts Layout E 8 3 3 Parts Replacement Methods E 9 3 3 1 Pulse Motor Hopping E 10 3 3 2 OLEV 12 PCB E 11 3 3 3 Hopping Roller Shaft Assembly and One way Clutch Gear E 12 4 TROUBLESHOOTING E 13 4 1 Precautions Prior to Troubleshooting E 13 4 2 Preparations for Troubleshooting E 13 4 3 Troubleshooting Method E 15 4 3 1 Status Message List E 15 5 CONNECTION DIAGRAM E 17 5 1 Interconnection Diagram E 17...

Page 168: ...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 Letter Executive Legal13 Legal14 Special Size Paper Width 87 to 216mm Paper length 190 to 355 6mm Weight 16 lb to 24 lb 60 to 90 g m 2 Paper setting quantity 250 sheets of paper weighing 64 g m 2 1 2 External View and Compo...

Page 169: ... one way clutch of the hopping shaft assembly The paper is delivered from the hopper into the printer through the turning of the hopping shaft assembly Once delivered into the printer the paper is then controlled and fed through by pulse motor Registration of the printer 2 2 Hopper Mechanism The hopper automatically feeds the printer with the paper being set single sheet at a time When the paper i...

Page 170: ...nd Paper Feeder 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 used 5 Disassembly must be carried out according to the prescribed procedures Parts may be damaged if such procedures are not followed 6 Small parts such as screws and collars can easily be l...

Page 171: ... 3 2 Parts Layout 3 2 Parts Layout This section describes the layout of the main components Figure 3 1 OKI OL600 610ex 96 01 18 ...

Page 172: ...er power switch off O and remove the interface cable 2 Remove the paper casette 1 3 Open the Front cover 2 stand the High Capacity Second Paper Feeder vertically and remove the 2 E clamps 3 4 Remove the 2 levers 4 and remove the tension springs 5 5 Pull out the sheet guide 6 to the front 6 Remove the 6 screws 7 and remove the front support plate 8 7 Remove the connector 9 and the 2 screws 10 and r...

Page 173: ... 3 3 2 OLEV 12 PCB 3 3 2 OLEV 12 PCB 1 Remove the front support plate see 3 3 1 steps 1 through 6 2 Remove the connector 1 and the 2 screws 2 then remove the OLEV 12 PCB 3 OKI OL600 610ex 96 01 18 ...

Page 174: ...ver 1 2 Remove the 2 screws 2 and remove the hopping roller frame 3 be careful not to lose the Springs 4 when you do this since it comes off 3 Remove the One way clutch gear 5 4 Remove the bush A 6 and remove the hopping roller shaft assembly 7 be careful not to lose the bush B 8 when you do this since it comes off OKI OL600 610ex 96 01 18 ...

Page 175: ...ecautions Prior to Troubleshooting 1 Go through the basic checking items provided in the Operator Guide 2 Obtain detailed information concerning the problem from the user 3 Go through the checking in the conditions similar to that in which the problem occurred OKI OL600 610ex 96 01 18 ...

Page 176: ...panel The status of the problem is displayed on the LCD Liquid Crystal Display on the Operator panel of the OL610e PS and in the Status Monitor software display on other models Go through the appropriate troubleshooting procedures according to the messages displayed on the LCD OKI OL600 610ex 96 01 18 ...

Page 177: ...OKI OL600 610ex 96 01 18 ...

Page 178: ... according to the following procedure 4 3 1 LCD Status Message List Table 4 1 lists status messages and recovery procedures Messages are listed as they appear on the LCD display of the OL610e PS For the OL600e and OL610e similar messages appear in the Status Monitor window JAM error OKI OL600 610ex 96 01 18 ...

Page 179: ...OKI OL600 610ex 96 01 18 ...

Page 180: ... 5 CONNECTION DIAGRAM 5 CONNECTION DIAGRAM 5 1 Interconnection Diagram 5 2 PCB Layout OLEV 12 PCB OKI OL600 610ex 96 01 18 ...

Page 181: ...Feeder No Description Oki J Part No ODA Part No Qty Remark 1 Hopping roller shaft assembly 3PA4083 6019G1 51112601 1 Same as the printer unit 2 One way clutch gear 4PB4083 6024P1 51228901 1 Same as the printer unit 3 Pulse motor 4PB4083 6075P1 56510701 1 Same as the printer unit OKI OL600 610ex 96 01 18 ...

Page 182: ...55074812 1 5 Paper cassette 4YA4083 6270G2 50109910 1 6 Connection cord 3YS4011 3140P3 56631101 1 7 Hopping roller frame 1PP4083 5605P1 53345901 1 8 Bearing 4PP4083 6022P2 51607402 2 Same as the printer unit OKI OL600 610ex 96 01 18 ...

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