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Oki KN-4530 Service Manual

Bridge unit
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SERVICE MANUAL
BRIDGE UNIT
KN-4530
File No. SME11003300
R110821K3300
Ver00_2011_09

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Summary of Contents for Oki KN-4530

  • Page 1 SERVICE MANUAL BRIDGE UNIT KN-4530 File No. SME11003300 R110821K3300 Ver00_2011_09...
  • Page 2 © 2011 OKI DATA CORPORATION All rights reserved Under the copyright laws, this manual cannot be reproduced in any form without prior written permission of OKI DATA CORPORATION.
  • Page 3 KN-4530. 2) The KN-4530 should be installed by an authorized/qualified person. 3) The KN-4530 is quite heavy and weighs approximately 3.7 kg (8.16 lb), therefore pay full attention when handling it. 4) Before starting installation, servicing or maintenance work, be sure to turn OFF and unplug the equipment first.
  • Page 5: Table Of Contents

    2.1 Sectional View ........................2-1 2.2 Electric Parts Layout......................2-2 2.3 Symbols and Functions of Various Components..............2-3 3. DESCRIPTION OF OPERATIONS ................3-1 3.1 Overview..........................3-1 4. DISASSEMBLY AND ASSEMBLY ................4-1 © 2011 OKI DATA CORPORATION All rights reserved KN-4530 CONTENTS...
  • Page 6 KN-4530 © 2011 OKI DATA CORPORATION All rights reserved CONTENTS...
  • Page 7: Specifications

    Gap cover (1 pc.) Screws (6 pcs.) Ferrite core (1 pc.) M4 x 10: 2 pcs. M3 x 8: 2 pcs. M4 x 12: 1 pc. Preventive maintenance None parts © 2011 OKI DATA CORPORATION All rights reserved KN-4530 SPECIFICATIONS 1 - 1...
  • Page 8 KN-4530 © 2011 OKI DATA CORPORATION All rights reserved SPECIFICATIONS 1 - 2...
  • Page 9: General Description

    2. GENERAL DESCRIPTION Sectional View Transport roller Transport roller Transport sensor-1 Transport sensor-2 Cover open/close Paper full detection switch detection sensor © 2011 OKI DATA CORPORATION All rights reserved KN-4530 GENERAL DESCRIPTION 2 - 1...
  • Page 10: Electric Parts Layout

    Electric Parts Layout SOL1 KN-4530 © 2011 OKI DATA CORPORATION All rights reserved GENERAL DESCRIPTION 2 - 2...
  • Page 11: Symbols And Functions Of Various Components

    Detecting paper full on the inner tray Cover open/close detection switch Detecting open/close of bridge unit jam access cove SOL1 Gate solenoid Switching paper transport path © 2011 OKI DATA CORPORATION All rights reserved KN-4530 GENERAL DESCRIPTION 2 - 3...
  • Page 12 KN-4530 © 2011 OKI DATA CORPORATION All rights reserved GENERAL DESCRIPTION 2 - 4...
  • Page 13: Description Of Operations

    The sensor which detects the paper full on the receiving tray is also equipped Drive gear ( G27/P20 ) Pulley ( P20 ) One-way Pulley ( P20 ) Timing belt Timing belt Drive gear ( G27/P20 ) © 2011 OKI DATA CORPORATION All rights reserved KN-4530 DESCRIPTION OF OPERATIONS 3 - 1...
  • Page 14 KN-4530 © 2011 OKI DATA CORPORATION All rights reserved DESCRIPTION OF OPERATIONS 3 - 2...
  • Page 15: Disassembly And Assembly

    [B] Bridge unit transport sensor-2 Take off the bridge unit. Connector Disconnect 1 connector, release latches and take off the 1 bridge unit transport sensor-2. Transport sensor-2 Fig. 4-2 © 2011 OKI DATA CORPORATION All rights reserved KN-4530 DISASSEMBLY AND ASSEMBLY 4 - 1...
  • Page 16 Sensor cover Fig. 4-4 Disconnect 1 connector, release latches and take off the paper full detection sensor. Paper full Connector detection sensor Fig. 4-5 KN-4530 © 2011 OKI DATA CORPORATION All rights reserved DISASSEMBLY AND ASSEMBLY 4 - 2...
  • Page 17 Disconnect 1 connector, remove 1 screw and take off the gate solenoid downward. Connector Screw Solenoid Fig. 4-6 Take off the plunger. Plunger Fig. 4-7 © 2011 OKI DATA CORPORATION All rights reserved KN-4530 DISASSEMBLY AND ASSEMBLY 4 - 3...
  • Page 18 KN-4530 © 2011 OKI DATA CORPORATION All rights reserved DISASSEMBLY AND ASSEMBLY 4 - 4...