Craden Peripherals DP8 technical manual

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Image 57

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 ContentsTheory of Operation MaintenanceTroubleshooting Recommended Spare Parts Recommended Service ToolsMajor Assembly Illustrations & Parts Lists Physical Characteristics Document CharacteristicsInterface Environment & StandardsInstallation Procedure Operation Ribbon Cartridge Loading ReshipmentKeypad Operation Display OperationKeypad & Display Panel Configuration Configuration Category PressDocument Insertion Printer Parameters DisplayRemarks Communication Parameters Override ParametersDisplay Remarks Diagnostics Power Up Diagnostics Service ParametersError Conditions Document Jam Enhanced DiagnosticsCarriage Fault Self TestHex Command Command SummaryProgramming AsciiESC K ESC HESC L ESC RPrint Commands Stops double height print High Density Graphics Commands Low Density Graphics CommandsDisplay Commands DC3Configuration Commands Status and Keypad CommandsDP XE DJ KB BZ BA Ascii Installing Craden Drivers on Windows 95 orMeaning DriversInstalling 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 OperationPin Signal Description Interface Signals & CablesPrinter Pin PC-25 Pin PC-9 Pin Signal Problem SolvingRollers Run at Power-Up or After Document Ejected Carriage Fault or No Carriage MotionNo Document Motion No Printing or Light PrintingDocument Drive Assembly Carriage Drive AssemblySwitching Power Supply Theory of Operation OverviewMain Printed Circuit Board Keypad/Display AssemblyMicroprocessor System Stepper Motor DriversPhase a I0A I1A Phase B I0B I1B Current U20 15 a Stepper Motor Drive CircuitPrinthead Drivers Keypad and Display Refer to Schematic #72135Sensors Character PrintingPrinthead Drive Circuit I LLubrication and Cleaning 5.1.1 Lubrication MaintenanceDocument Feed Roller Cleaning Sensor CleaningDocument Print Area Cleaning Printhead CleaningCabinet Exterior Cleaning Harsh, abrasive cleanersElectrical Adjustments Service Parameter SET-UP ProcedureMechanical 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 ForceAuto Alignment Gate Height Auto Alignment Gate RampFront Document Roller Spring Force Replacement ProceduresAuto Alignment Skew Sensor Calibration CabinetSensor PCB Power Supply PCBKeypad DisplayPrinthead Document MotorCarriage Drive Belt Document Drive BeltBasic Troubleshooting Procedure TroubleshootingNo Display Defective KeypadDefective 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 InoperativeUse this flow chart to assist in troubleshooting Diagnostic FlowchartRecommended 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