Manuals / Oki / Computer Equipment / Printer

Oki 2400 manual Assembly 4 Electronics

Models: 2400

1 168

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Specs Error codes Signal Connections Irrecoverable Operator Errors Symptom Check Table Diagnostic Aids Covers, Ribbon Access Removal Setup Mode Connector Locations Assembly 1 Covers

Page 154

24xx

Assembly 4: Electronics

7-14Service Manual

Page 153 Page 155

Image 154

Oki 2400 manual Assembly 4 Electronics

Page 153 Page 155

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Contents

24XX-100 24xx United States Government Restricted Rights Table of Contents Covers, Operator Panel Assembly Removal Connector Locations Index Safety Information Consignes de Sécurité Norme di sicurezza Pautas de Seguridad Informació de Seguretat 24xx Preface Printer Description Printer SpecificationsPrinter Speeds Entering Setup Mode Setup ModeExiting Setup Mode Setup Menu Options Interface Menu Options Printer Settings Setting The Tear Off Position Setting Top-Of-Form Continuous Pull Mode Setting Top-Of-Form Cut Forms Envelopes Tools OptionsAbbreviations Voltage Readings StartVoltage, Ground, And Continuity Readings Ground Checks Error Indication Table LED Service Check on Power Service Check on Abnormal Noise Problems Symptom Check TableAbnormal Indications 24xx Abnormal Print Operation Problems Auto Sheet Feeder Problems Operator Panel Problems 24xx Error IndicationsPaper Feed Problems Go to Paper Select Sensor Service Check on Power Problems Go to Paper Feed Service Check on 24xx Print Quality Problems 24xx Ribbon Feed Problems Paper Present Sensor Irrecoverable Operator ErrorsPaper Select Sensor Service Checks Abnormal Noise Service Check Auto Sheet Feeder ASF Service Check Auto Sheet Feeder Principles of Operation Correctly, go to Paper Feed Service Carrier Service Check Printhead-to-Platen Gap Adjustment Carrier Motor If the home position sensor is okay, verify Intermittent Problem Service Check FRU/Symptom Action If one of the voltages is 0, go to Power Adjustment. See Bidirectional Print No Print or Abnormal Print Service Check Operator Panel Service Check Paper Present Sensor Service Check Paper Feed Service Check FRU / Symptom Action If it does not, go to Operator Panel Service Paper Select Sensor Service Check Post Service Check Power Service Check Print Speed Service Check Printhead Service Check Printhead Impedance Tables on Printhead Impedance Tables 2480, 2490 Approximately 5 ohms 2481, 2491 Approximately 8 to 16 ohms Pull Tractor Sensor Service Check Top-Of-Forms Service Check Tractor 2 Service Check Beeps and Blinking Ready, Paper, Font and Pitch LEDs Connectors on 24xx Beeps and Tractor 2 LED blinks 3 times 24xx Tractor 2 Paper Feed Problems Diagnostic Aids Power-On Self Test Post Print Test Hex Trace Mode Hex Trace Mode Sample Defaults Printer Default SettingsWorld Trade Defaults Cut Sheet Jams Clearing Paper JamsContinuous Forms Jams Repair Information Handling ESD-Sensitive Parts Adjustments Printhead-to-Platen Gap Adjustment 24xx Bidirectional Print Adjustment Removal Procedures Covers, Removals Covers, Ribbon Access Removal Covers, Front Removal Covers, Option Removal Covers, Top Removal 24xx 24xx Covers, Operator Panel Assembly Removal Covers, Bottom Removal Electronics Removals Eprom Removal Logic Board Removal Power Supply Removal Carrier Removals Carrier Removal 24xx 24xx 24xx 24xx Carrier, Motor Assembly Removal 24xx 24xx Paper Select Lever Removal Paper Handling RemovalsPaper Feed Motor Removal Form Thickness Lever Removal Print Handling Removals Platen Removal Printhead Removal Printhead Cables Removal Print Unit Removal 24xx Ribbon Drive Rack Gear Removal Remove the carrier. Go to Carrier Removal on Gears Removals Left Side Gears Removal 24xx 24xx Right Side Gears, Sub Frame Removal 24xx Rollers Removals Roller, Upper Feed Removal 24xx Roller, Lower Pinch Removal 24xx 24xx Roller, Lower Feed Removal 24xx Sensors Removals Sensor, Head Gap Removal Sensor, Pull Tractor RemovalSensor, Top-Of-Form Removal Sensor, Paper Present Removal Sensor, Paper Select RemovalFlags, Paper Present / Top-Of-Form Removal Sensor, Home Position Sensor Removal Options Removals Auto Sheet Feeder Gears Removal Auto Sheet Feeder Pick-up Roller Removal Connector Locations Signal Connections Power Supply 9w & 24w 24xx Logic Board 9w & 24w Logic Board Parallel Interface Cable 9w & 24w CN11 24xx Logic Board 9w & 24w Logic Board Serial Board 9w & 24w 24xx Logic Board 9w & 24w Logic Board DC Power 9w & 24w Logic Board USB Cable 9w & 24w 24xx Logic Board 9w & 24w Logic Board Printhead 9w 24xx Logic Board 9w & 24w Logic Board Printhead 24w CN300 24xx Logic Board 9w & 24w CN301 24xx Logic Board 9w & 24w Logic Board Home Position Sensor 9w & 24w Logic Board Gap Set Sensor 9w & 24wLogic Board Paper Present Sensor 9w & 24w 24xx Logic Board 9w & 24w Logic Board Pull Tractor Sensor 9w & 24w Logic Board Paper Select Sensor 9w & 24wLogic Board Top Of Form Sensor 9w & 24w 24xx Logic Board 9w & 24w Logic Board Carrier Motor 9w & 24w Logic Board Paper Feed Motor 9w & 24w 24xx Logic Board 9w & 24w Logic Board Operator Panel 9w & 24w Operator Panel 24xx Logic Board 9w & 24w Logic Board Dual Tractor Cable 9w & 24w Serial Board Serial Cable 9w & 24w Tractor 2 Cable Connectors Connector Mode Lubrication Specified Lubricants Oil Lubrication PointsGrease Lubrication Points Oil Lubrication Points Grease Lubrication Points Grease Lubrication Points Grease How To Use This Parts Catalog Parts Catalog Assembly 1 Covers Asm Part Description Index Number Assembly 1 Covers 24xx Assembly 2 Carrier / Paper Feed Right Side 12G3840 Assembly 2 Carrier / Paper Feed Right Side 24xx Assembly 3 Carrier / Paper Feed Left Side Plate, Carrier Assembly 2481 Assembly 3 Carrier / Paper Feed Left Side Asm Part Description Index Number Assembly 4 Electronics 12G3936 Cable, Serial Interface Cable Assembly 5 ASF Roller / Support 24xx Assembly 6 ASF Side Frame / Covers Asm Part Description Index Number Assembly 7 Tractor 2 Option 24xx Coax / Twinax Adapter Index Eprom Post Part Numbers 7-11 24xx

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