Oki B721 Maintenance Manual

Also see for ES7131: User manual User manual User manual

Contents

Oki B721 Maintenance Manual Manual pdf 4 page image

45487001TH Rev.1 iv /Oki Data CONFIDENTIALCONTENTSCONTENTS1. Configuration .......................................................................1-11.1 System configuration ......................................................................................1-21.2 Printer configuration ........................................................................................1-31.3 Composition of optional items .........................................................................1-41.4 Specifications ...................................................................................................1-51.5 Interface specifications ...................................................................................1-81.5.1 USB interface specifications ...............................................................1-81.5.1.1 USB interface overview ......................................................1-81.5.1.2 USB interface connectors and cables ...............................1-81.5.1.3 USB interface signals .........................................................1-81.5.2 Network interface specifications .........................................................1-91.5.2.1 Network interface overview.................................................1-91.5.2.2 Network interface connector and cable .............................1-91.5.2.3 Network interface signals ..................................................1-91.5.3 USB host interface specifications .....................................................1-101.5.3.1 USB host interface overview ...........................................1-101.5.3.2 USB host interface connector ...........................................1-101.5.3.3 USB host interface signals ...............................................1-101.5.4 Wireless LAN interface specifications (Wireless Model only) ............1-101.5.4.1 Wireless LAN interface overview ......................................1-101.5.5 Parallel interface specifications (Parallel installed Model only)..........1-111.5.5.1 Parallel interface overview ..............................................1-111.5.5.2 Parallel interface connector and cable ..............................1-111.5.5.3 Parallel interface signals ...................................................1-111.5.5.4 Parallel interface levels ....................................................1-112. Installation ............................................................................2-12.1 Cautions, and do’s and don’ts ..........................................................................2-22.2 Unpacking procedure .......................................................................................2-32.3 Printer installation instructions .........................................................................2-42.4 List of components and accessories ................................................................2-52.5 Assembly procedure ........................................................................................2-62.5.1 Assembly of the printer main unit ........................................................2-62.5.2 Connection of the AC cord ................................................................2-122.5.3 Installation and recognition confirmation of options ..........................2-142.6 Printing of the configuration report.................................................................2-282.7 Connection methods ......................................................................................2-292.8 Checking of paper used by the user ..............................................................2-393. Component replacement.....................................................3-13.1 Precautions on component replacement .........................................................3-23.2 Method of component replacement .................................................................3-43.2.1 Transfer roller .......................................................................................3-43.2.2 Fuser unit ............................................................................................3-53.2.3 Cover-Rear-Blind ................................................................................3-53.2.4 Cover side-L .......................................................................................3-63.2.5 Cover side-R........................................................................................3-63.2.6 PU/CU-Board ......................................................................................3-73.2.6.1 PU/CU-Board......................................................................3-73.2.6.2 How to remove Battery(PU/CU-Board)...............................3-83.2.7 Power supply unit ................................................................................3-93.2.8 DC motor (hop) / DC motor (ID) ..........................................................3-93.2.9 Motor FAN (PSU) ..............................................................................3-103.2.10 Motor FAN (ID) / Micro switch ...........................................................3-103.2.11 HV-Board / Motor-FAN ......................................................................3-113.2.12 LED Assy ..........................................................................................3-113.2.13 Plate-Assy-Duct ................................................................................3-123.2.14 Frame-Assy-OP-Panel ......................................................................3-133.2.15 LCD panel .........................................................................................3-133.2.16 Cover-Assy-Front ..............................................................................3-143.2.17 Feeder-Assy-Regist / Clutch .............................................................3-15