Oki MB461MFP, Maintenance Manual

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44871001TH Rev.6
iv /
Oki Data CONFIDENTIAL
CONTENTS
CONTENTS
1. CONFIGURATION .................................................................1-1
1.1 System configuration ......................................................................................1-2
1.2 Structure of MFP .............................................................................................1-3
1.3 Offer of Options ...............................................................................................1-4
1.4 Specifications ..................................................................................................1-5
1.5 Interface specifications .................................................................................1-25
1.5.1 USB Interface Specification ......................................................................1-25
1.5.1.1 Outline of USB Interface ...................................................................1-25
1.5.1.2 USB Interface Connector and Cable ................................................1-25
1.5.1.3 USB Interface Signal ........................................................................1-25
1.5.2 Network Interface Specification ................................................................1-26
1.5.2.1 Outline of Network Interface .............................................................1-26
1.5.2.2 Network Interface Connector and Cable ..........................................1-26
1.5.2.3 Network Interface Signal ..................................................................1-26
1.5.3 Telephone Line Interface Specification (MB451/MB451w/MB471/MB471w/
MB491/MB491+/MB491+LP/ES4191 MFP/MPS4200mb/MPS4700mb) ...1-27
1.5.3.1 Outline of telephone Line Interface ..................................................1-27
1.5.3.2 Telephone Line Interface Connector and Cable ...............................1-27
1.5.3.3 Telephone Line Interface signal ........................................................1-27
1.5.4 USB Host Interface ...................................................................................1-27
1.5.4.1 Outline of USB Host Interface ..........................................................1-27
1.5.4.2 USB Host Interface Connector .........................................................1-27
1.5.4.3 USB Host Interface Signal ................................................................1-27
1.5.5 Wireless LAN Interface(MB451w/MB471w) .............................................1-28
1.5.5.1 Outline of Wireless LAN ......................................................................1-28
2. OPERATIONAL EXPLANATION ............................................2-1
2.1 Electrophotographic process mechanism .......................................................2-2
2.2 Printing process ...............................................................................................2-6
2.3 Toner entrance detection .................................................................................2-9
2.3.1 Toner sensor detection principle ................................................................2-9
2.3.2 Toner count principle ..................................................................................2-9
2.4 Image Scanning process ...............................................................................2-10
2.4.1 Structure and process of RADF ...............................................................2-10
2.4.1.1 Cross-section view ...........................................................................2-10
2.4.1.2 Electrical configuration .....................................................................2-10
2.4.1.3 Fundamental operations ...................................................................2-11
2.4.1.4 Document detection .........................................................................2-14
2.4.1.5 Jam detection ...................................................................................2-15
2.4.2 Document table structure .........................................................................2-15
2.4.2.1 Overview ..........................................................................................2-15
2.4.2.2 Exposure block .................................................................................2-16
2.4.2.3 Carraige-Assy drive mechanism ......................................................2-16
3. MFP INSTALLATION .............................................................3-1
3.1 Precautions and Prohibition .............................................................................3-2
3.2 MFP Unpacking Procedure .............................................................................3-3
3.3 MFP Installation Instructions ...........................................................................3-4
3.4 Packed Units and Attachments .......................................................................3-5
3.5 Assembly Procedure .......................................................................................3-6
3.5.1 MFP Main Body .........................................................................................3-6
3.5.2 Power Cable Connection ..........................................................................3-14
3.5.3 Installation of Optional Components ........................................................3-16
3.5.3.1 Second Tray Unit ..............................................................................3-16
3.6 Configuration Page Print ................................................................................3-20
3.7 Network Information Print ..............................................................................3-22
3.8 Connection Procedures .................................................................................3-23
3.9 Checking of User Paper .................................................................................3-27