magicolor 2300 Series Service Manual 1750058-001C Trademarks The following are registered trademarks of MINOLTA-QMS, Inc.: QMS and the MINOLTA-QMS logo. Minolta, and PagePro are trademarks of Minolta Co., Ltd. Other product names mentioned in this guide may also be trademarks or registered trademarks of their respective owners. Proprietary Statement The digitally encoded software included with your printer is Copyrighted © 2002 by MINOLTA-QMS, Inc. All Rights Reserved. This software may not be reproduced, modified, displayed, transferred, or copied in any form or in any manner or on any media, in whole or in part, without the express written permission of MINOLTA-QMS, Inc. Copyright Notice This manual is Copyrighted © 2002 by MINOLTA-QMS, Inc., One Magnum Pass, Mobile, AL 36618. All Rights Reserved. This document may not be copied, in whole or part, nor transferred to any other media or language, without written permission of MINOLTA-QMS, Inc. Manual Notice MINOLTA-QMS, Inc. reserves the right to make changes to this manual and to the equipment described herein without notice. Considerable effort has been made to ensure that this manual is free of inaccuracies and omissions. However, MINOLTA-QMS, Inc. makes no warranty of any kind including, but not limited to, any implied warranties of merchantability and fitness for a particular purpose with regard to this manual. MINOLTA-QMS, Inc. assumes no responsibility for, or liability for, errors contained in this manual or for incidental, special, or consequential damages arising out of the furnishing of this manual, or the use of this manual in operating the equipment, or in connection with the performance of the equipment when so operated. 2 CONTENTS 3 CONTENTS .................................................................3 SAFETY .......................................................................9 Safety Precautions for Inspection and Service .................................................. 11 Warning ....................................................................................................... 11 Caution ........................................................................................................ 13 Used Batteries Precautions ......................................................................... 15 Other Precautions ........................................................................................ 16 Precautions for Service ................................................................................ 16 Safety information ........................................................................................ 19 Laser Safety Label ....................................................................................... 22 Laser Caution Label ..................................................................................... 22 PRECAUTIONS FOR HANDLING THE LASER EQUIPMENT ................... 23 GENERAL ..................................................................25 Product Specifications ........................................................................................ 27 Installation Precautions ...................................................................................... 31 Installation environment ............................................................................... 31 Installation power supply ............................................................................. 31 Space requirements...................................................................................... 32 Operation Precautions ....................................................................................... 33 Ensuring the optimum performance of this unit ........................................... 33 Operating environment ................................................................................ 33 Power supply requirements ......................................................................... 33 Other precautions ........................................................................................ 33 Parts Identification ....................................................................................... 34 MECHANICAL/ ELECTRICAL ...................................35 CROSS-SECTIONAL VIEW ............................................................................... 37 ELECTRICAL COMPONENTS LAYOUT ........................................................... 38 OPERATING SEQUENCE ................................................................................. 43 IMAGE STABILIZATION CONTROL ................................................................. 44 AIDC Detection ............................................................................................ 44 Outline of AIDC Control ............................................................................... 45 Operation Timing ......................................................................................... 46 Temperature/Humidity Sensor ..................................................................... 47 ATVC (Auto Transfer Voltage Control ......................................................... 48 DRUM CARTRIDGE .......................................................................................... 49 PC Drum ...................................................................................................... 49 PC Drum Charging ...................................................................................... 50 LASER EXPOSURE .......................................................................................... 51 DEVELOPING UNIT .......................................................................................... 53 Developing Position ..................................................................................... 55 Toner Cartridge ............................................................................................ 56 IMAGE TRANSFER ........................................................................................... 60 Image Transfer Belt Unit .............................................................................. 60 Second Image Transfer Roller Cleaning ...................................................... 63 Image Transfer Belt Cleaning Mechanism................................................... 64 Waste Toner Bottle ...................................................................................... 66 5 Waste Toner Bottle Detection ..................................................................... 66 FUSING SECTION ............................................................................................ 67 Fusing Unit .................................................................................................. 67 Fusing Temperature Control ....................................................................... 69 PAPER TAKE-UP SECTION ............................................................................. 71 Manual Feed Tray ....................................................................................... 71 Lower Feeder Unit (Option) ......................................................................... 72 OTHER MECHANISMS ..................................................................................... 73 Duplex Unit (Option) .................................................................................... 73 MAINTENANCE & DISASSEMBLY/ASSEMBLY .......81 Disassembly/Assembly Precautions .................................................................. 83 Precautions for disassembly and assembly ................................................ 83 Parts that must not be touched ................................................................... 83 Precautions for transporting or storing PWBs ............................................. 83 Precautions for replacing PWBs .................................................................. 83 Precautions for inspecting PWBs ................................................................ 83 Precautions for transporting or storing the OPC drum cartridge ................. 84 Precautions for handling the OPC drum cartridge ....................................... 84 Red painted Screws .................................................................................... 84 Variable Resistors on Board ........................................................................ 84 Maintenance Schedule ...................................................................................... 85 Guideline for Life Specifications Values by Unit........................................... 87 Detail of Each Unit Life ................................................................................ 87 Maintenance And Cleaning ............................................................................... 89 Replacement of the Units .................................................................................. 93 Disassembly Procedures ............................................................................. 96 Pre-disassembly preparation ....................................................................... 98 Removal Of Circuit Boards And Other Electrical Components ................. 100 Removal of Units ....................................................................................... 106 DISASSEMBLY OF THE ENGINE PARTS ............................................... 111 CONTROL PANEL / SERVICE MODE DESCRIPT. 127 Control Panel Descriptions--2300DL & 2350 ................................................. 129 Names of control panel parts and their functions ...................................... 129 Message Window ...................................................................................... 129 Menu Contents for magicolor 2300 DL ............................................................ 133 Print menu overview .................................................................................. 133 Settings menus .......................................................................................... 134 Service Mode ............................................................................................ 136 Service mode displays .............................................................................. 136 Entering service mode .............................................................................. 136 Service mode options ................................................................................ 136 Menu Contents for magicolor 2350 ................................................................. 138 Menu Overview ......................................................................................... 138 About the 2300W Control Panel ...................................................................... 140 Control Panel Key ..................................................................................... 140 Indicator Lights .......................................................................................... 141 Working with the 2300W Status Display ................................................... 142 6 Using the Status Display ............................................................................ 143 Status, Error and Service Messages ......................................................... 144 TROUBLESHOOTING .............................................147 Introduction ...................................................................................................... 149 Checking the electrical components .......................................................... 149 Paper Misfeeds ................................................................................................ 152 Perform initial check procedures ............................................................... 152 Paper misfeed displays .............................................................................. 153 Wiring diagram of misfeed-detecting sensors ............................................ 154 Misfeed detection timing and remedies ..................................................... 155 Malfunctions and Warnings (2300 DL & 2350) ................................................ 159 Malfunction detection timing and remedies ............................................... 161 Power supply malfunctions ........................................................................ 167 Image Quality Troubleshooting ........................................................................ 168 INDEX ......................................................................171 7 8 SAFETY 9 1. SAFETY PRECAUTIONS FOR INSPECTION AND SERVICE · When performing inspection and service procedures, observe the following precautions to prevent accidents and ensure utmost safety. Depending on the model, some of the precautions listed below do not apply. · Different markings are used to deno ...