Craden Peripherals DP8 specification

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Craden Peripherals DP8 technical manual

Contents

Revision R I P H E R a L S R P O R a T I O NAirport HIGHWAY, PENNSAUKEN, NJ Pages Affected Record of ChangesALL DP8 & DP9 Technical Manual Table of Contents Operation Maintenance Theory of Operation Recommended Spare Parts Recommended Service Tools TroubleshootingMajor Assembly Illustrations & Parts Lists Document Characteristics Physical CharacteristicsInterface Environment & Standards Installation Procedure Reshipment Operation Ribbon Cartridge Loading Display Operation Keypad OperationKeypad & Display Panel Configuration Category Press ConfigurationDocument Insertion Display Printer ParametersRemarks Override Parameters Communication ParametersDisplay Remarks 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 Status and Keypad Commands Configuration CommandsDP XE DJ KB BZ BA Installing Craden Drivers on Windows 95 or AsciiMeaning Drivers Installing Craden USB Drivers on Windows NT, 2000 or XP Installing Craden Drivers on Windows NT, 2000 or XPUsing Printer Resident Device Fonts 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 Document Motion Defective SensorNo Carriage Motion No Print or Light Print Symptom Condition RemedyPrint Quality 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 Recommended Spare Parts Recommended Service ToolsDescription PART# Printer Diagram DWG REV. C DP8 & DP9 Assembly TreeAll assemblies not ending in X are used both on DP8 and DP9 Page Page Page Page Page Page Page