Craden Peripherals DP8 specification

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Craden Peripherals DP8 technical manual

Contents

R I P H E R a L S R P O R a T I O N RevisionAirport HIGHWAY, PENNSAUKEN, NJ Record of Changes Pages AffectedALL Operation DP8 & DP9 Technical Manual Table of Contents Theory of Operation Maintenance Troubleshooting Recommended Spare Parts Recommended Service ToolsMajor Assembly Illustrations & Parts Lists Physical Characteristics Document CharacteristicsInterface Environment & Standards Installation Procedure Operation Ribbon Cartridge Loading Reshipment Keypad Operation Display OperationKeypad & Display Panel Configuration Configuration Category PressDocument Insertion Printer Parameters DisplayRemarks Communication Parameters Override ParametersDisplay Remarks Diagnostics Power Up Diagnostics Service Parameters Error Conditions Document Jam Enhanced DiagnosticsCarriage Fault Self Test Hex Command Command SummaryProgramming Ascii ESC K ESC HESC L ESC R Print Commands Stops double height print High Density Graphics Commands Low Density Graphics CommandsDisplay Commands DC3 Configuration Commands Status and Keypad CommandsDP XE DJ KB BZ BA Ascii Installing Craden Drivers on Windows 95 orMeaning Drivers Installing Craden Drivers on Windows NT, 2000 or XP Installing Craden USB Drivers on Windows NT, 2000 or XPUsing Printer Resident Device Fonts Interfacing Writing to the Printer LCD DisplayFunct Input Buffer Operation Pin Signal Description Interface Signals & CablesPrinter Pin PC-25 Pin PC-9 Pin Signal Problem Solving Rollers Run at Power-Up or After Document Ejected Carriage Fault or No Carriage MotionNo Document Motion No Printing or Light Printing Document Drive Assembly Carriage Drive AssemblySwitching Power Supply Theory of Operation Overview Main Printed Circuit Board Keypad/Display AssemblyMicroprocessor System Stepper Motor Drivers Phase a I0A I1A Phase B I0B I1B Current U20 15 a Stepper Motor Drive Circuit Printhead Drivers Keypad and Display Refer to Schematic #72135Sensors Character Printing Printhead Drive Circuit I L Lubrication and Cleaning 5.1.1 Lubrication MaintenanceDocument Feed Roller Cleaning Sensor Cleaning Document Print Area Cleaning Printhead CleaningCabinet Exterior Cleaning Harsh, abrasive cleaners Electrical Adjustments Service Parameter SET-UP Procedure Mechanical Adjustments 5.4.1 Printhead Gap Ribbon Shield Removal / Replacement Ribbon Shield Face Inspection Document Drive Belt Tension Carriage Drive Belt TensionCarriage Shaft Cam and Shaft Rack Rear Document Roller Spring Force Auto Alignment Gate Height Auto Alignment Gate Ramp Front Document Roller Spring Force Replacement ProceduresAuto Alignment Skew Sensor Calibration Cabinet Sensor PCB Power Supply PCBKeypad Display Printhead Document MotorCarriage Drive Belt Document Drive Belt Basic Troubleshooting Procedure TroubleshootingNo Display Defective Keypad Defective Sensor No Document MotionNo Carriage Motion Symptom Condition Remedy No Print or Light PrintPrint Quality Erratic Document Feed or Mispositioning Missing DotsErratic Character Spacing or False Document Jams Interface Inoperative Use this flow chart to assist in troubleshooting Diagnostic Flowchart Recommended Service Tools Recommended Spare PartsDescription PART# Printer Diagram DP8 & DP9 Assembly Tree DWG REV. CAll assemblies not ending in X are used both on DP8 and DP9 Page Page Page Page Page Page Page