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Service Guide PM3410
Chapter 0 About This Manual

Pacemark 3410

Dot Matrix Printer

Adobe Acrobat printable reference copy of the OKIDATA Service Training Manual. 09/17/97
Note: This Adobe Acrobat version of the Okidata Service Training Manual was built with the pictures rendered at 300 dpi, which is ideal for printing, but does not view on most displays well.

Copyright1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)

Table of Contents

Page

Service Guide PM3410
0 About This Manual Front Cover Manual Copyright 1 Product Specifications 1.1 Overview 1.2 Physical Specifications 1.3 Power Requirements 1.4 Environmental Conditions 1.5Agency Approvals 1.6 Operational Specifications 1.7 Paper Specifications 1.8 Memory Specifications 1.9 Consumables 1.10 Options 1.11 Reliability 2 Principles of Operation 2.1 Electrical Operation - General Information ....2.1.02 Microprocessor (MPU) and Peripheral Circuits ....2.1.03 Initialization ....2.1.04 Interface Control ....2.1.05 Printhead Drive Circuit ....2.1.06 Spacing Drive Circuit....2.1.07 Line Feed Circuit ....2.1.08 Alarm Circuits ....2.1.09 Paper End Detection Circuit ....2.1.10 Power Supply 2.2 Mechanical Operation - Printhead Mechanism ....2.2.02 Spacing Mechanism ....2.2.03 Ribbon Drive Mechanism ....2.2.04 Paper Feed Mechanism ....2.2.05 Paper-End Detection Mechanism ....2.2.06 Automatic Paper Loading ....2.2.07 Paper Park Feature 3 Maintenance & Disassembly 3.1 Overview....3.1.02 Maintenance Items ....3.1.03 Maintenance Precautions 3.2 Disassembly/Assembly Procedures ....3.2.01 Printhead (with Preliminary Items) ....3.2.02 Ribbon Protector Assembly ....3.2.03 Upper Cover Assembly ....3.2.04 Operator Panel 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38

Table of Contents ....3.2.05 Interface ConnectorBoard ....3.2.06 Main Logic (CBNP) Board ....3.2.07 Printer Mechanism ....3.2.08 Power Supply Unit ....3.2.09 Printer Unit ....3.2.10 BTFD PCB ....3.2.11 Tension Spring ....3.2.12 Bottom Push Mechanism and Front Door Assembly ....3.2.13 Drive Pulley and Belt ....3.2.14 Tractor Assembly (BTF) ....3.2.15 Line Feed Motor (BTF) ....3.2.16 Platen Assembly ....3.2.17 Paper Pressure Guide ....3.2.18 LineFeed Motor Assembly ....3.2.19 Ribbon Cartridge Bracket ....3.2.20 Fan Assembly ....3.2.21 Head Cable Assembly ....3.2.22 Carriage and Carriage Shaft ....3.2.23 Ribbon Feed Assembly ....3.2.24 Space Motor Assembly ....3.2.25 Space Belt ....3.2.26 Sensor Board (LPRW) ....3.2.27 Bail Motor/Gear Assembly ....3.2.28 Paper Bail Assembly ....3.2.29 Rear Feed Tractor Assembly ....3.2.30 PrintheadGap/Release Lever Microswitches ....3.2.31 Release Lever / Gear Assemblies 3.3 Printer Adjustments ....3.3.02 Printhead Gap ....3.3.02 Line Feed Belt Tension ....3.3.03 Key Combinations ....3.3.04 Menu Operation ........Menu Settings ....3.3.05 Top Of Form ....3.3.06 Paper Park ....3.3.07 Forms Tear Off ....3.3.08 Resets 3.4 Cleaning 3.5 Lubrication ....3.5.02 Areas Not Lubricated ....3.5.03 LubricationDiagrams ........Right and Left Sides of Printer ........Carriage Shaft ........Ribbon Feed Assembly

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Table of Contents ........Space Motor Assembly ........Tractor Feed Assembly 3.6 Shipping Instructions ....3.6.02 All Other Returns 4 Failure & RepairAnalysis 4.1 Failure & Repair Analysis - Introduction ....4.1.02 Printer Serial Number Identification 4.2 Reporting Problems ....4.2.02 Problem Lists ....4.2.03 Reporting Methods 4.3 Troubleshooting Updates 4.4 Troubleshooting Tips ....4.4.02 Problem Categories ....4.4.03 START HERE Flowchart ....4.4.04 Tips for Preventing Image Problems ....4.4.05 Common Problems 4.5 Abnormal Output 4.6 Fault...