Craden Peripherals DP8 instruction

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Craden Peripherals DP8 technical manual

Contents

Airport HIGHWAY, PENNSAUKEN, NJ R I P H E R a L S R P O R a T I O NRevision ALL Record of ChangesPages Affected DP8 & DP9 Technical Manual Table of Contents Operation Maintenance Theory of Operation Major Assembly Illustrations & Parts Lists TroubleshootingRecommended Spare Parts Recommended Service Tools Document Characteristics Physical CharacteristicsInterface Environment & Standards Installation Procedure Reshipment Operation Ribbon Cartridge Loading Keypad & Display Panel Keypad OperationDisplay Operation Document Insertion ConfigurationConfiguration Category Press Remarks Printer ParametersDisplay Display Remarks Communication ParametersOverride Parameters Service Parameters Diagnostics Power Up Diagnostics Enhanced Diagnostics Error Conditions Document JamCarriage Fault Self Test Command Summary Hex CommandProgramming Ascii ESC H ESC KESC L ESC R Print Commands Stops double height print Low Density Graphics Commands High Density Graphics CommandsDisplay Commands DC3 DP XE DJ KB BZ BA Configuration CommandsStatus and Keypad Commands Installing Craden Drivers on Windows 95 or AsciiMeaning Drivers Using Printer Resident Device Fonts Installing Craden Drivers on Windows NT, 2000 or XPInstalling Craden USB Drivers on Windows NT, 2000 or XP Writing to the Printer LCD Display InterfacingFunct Input Buffer Operation Interface Signals & Cables Pin Signal DescriptionPrinter Pin PC-25 Pin PC-9 Pin Signal Problem Solving Carriage Fault or No Carriage Motion Rollers Run at Power-Up or After Document EjectedNo Document Motion No Printing or Light Printing Carriage Drive Assembly Document Drive AssemblySwitching Power Supply Theory of Operation Overview Keypad/Display Assembly Main Printed Circuit BoardMicroprocessor System Stepper Motor Drivers Phase a I0A I1A Phase B I0B I1B Current Stepper Motor Drive Circuit U20 15 a Keypad and Display Refer to Schematic #72135 Printhead DriversSensors Character Printing I L Printhead Drive Circuit Maintenance Lubrication and Cleaning 5.1.1 LubricationDocument Feed Roller Cleaning Sensor Cleaning Printhead Cleaning Document Print Area CleaningCabinet Exterior Cleaning Harsh, abrasive cleaners Service Parameter SET-UP Procedure Electrical Adjustments Mechanical Adjustments 5.4.1 Printhead Gap Ribbon Shield Removal / Replacement Ribbon Shield Face Inspection Carriage Drive Belt Tension Document Drive Belt TensionCarriage Shaft Cam and Shaft Rack Rear Document Roller Spring Force Auto Alignment Gate Ramp Auto Alignment Gate Height Replacement Procedures Front Document Roller Spring ForceAuto Alignment Skew Sensor Calibration Cabinet Power Supply PCB Sensor PCBKeypad Display Document Motor PrintheadCarriage Drive Belt Document Drive Belt Troubleshooting Basic Troubleshooting ProcedureNo Display Defective Keypad No Carriage Motion Defective SensorNo Document Motion Print Quality Symptom Condition RemedyNo Print or Light Print Missing Dots Erratic Document Feed or MispositioningErratic Character Spacing or False Document Jams Interface Inoperative Diagnostic Flowchart Use this flow chart to assist in troubleshooting Description PART# Recommended Service ToolsRecommended Spare Parts Printer Diagram All assemblies not ending in X are used both on DP8 and DP9 DP8 & DP9 Assembly TreeDWG REV. C Page Page Page Page Page Page Page