Craden Peripherals DP8 technical manual Record of Changes, Pages Affected, All

Page 2

WARNING

This equipment generates, uses and can radiate radio frequency energy and, if not installed in accordance with the instruction manual, may cause interference to radio communications. It has been tested with a Class A computing device and has been found to comply with Part 15 of FCC rules, which are designed to provide reasonable protection against such interference when operated in a commercial environment. Operation of this equipment in a residential area is likely to cause interference in which case the user at his own expense will be required to correct the interference.

		RECORD OF CHANGES
REVISION	DATE ECO’s	PAGES AFFECTED	NOTES
1	10/01	ALL	Initial Release
2	11/02	ALL	Add DP9
3	06/03	1, 6, 7, 12-15	Fast Draft speed
4	01/04	1-3, 6-9, 16, 17, 22, 30, 32	Updated
		40, 41, All Tech Dwgs.
5	09/04	1, 4, 7, 8, 26, 30, 34, 37,	Add edge sensing,
		38, 41 Several Tech Dwgs.	Updated
6	02/06	3, 4, 7-10, 20, 25, 27-29,	Updated
		31-33, 37, 38, 39
		Several Tech Dwgs.
7	07/07	ALL	Updated

Image 2

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 OperationMaintenance Theory of OperationMajor Assembly Illustrations & Parts Lists TroubleshootingRecommended Spare Parts Recommended Service Tools Interface Document CharacteristicsPhysical Characteristics Environment & StandardsInstallation Procedure Reshipment Operation Ribbon Cartridge LoadingKeypad & Display Panel Keypad OperationDisplay Operation Document Insertion ConfigurationConfiguration Category Press Remarks Printer ParametersDisplay Display Remarks Communication ParametersOverride Parameters Service Parameters Diagnostics Power Up DiagnosticsCarriage Fault Enhanced DiagnosticsError Conditions Document Jam Self TestProgramming Command SummaryHex Command AsciiESC L ESC HESC K ESC RPrint Commands Stops double height print Display Commands Low Density Graphics CommandsHigh Density Graphics Commands DC3DP XE DJ KB BZ BA Configuration CommandsStatus and Keypad Commands Meaning Installing Craden Drivers on Windows 95 orAscii DriversUsing Printer Resident Device Fonts Installing Craden Drivers on Windows NT, 2000 or XPInstalling Craden USB Drivers on Windows NT, 2000 or XP Funct Writing to the Printer LCD DisplayInterfacing Input Buffer OperationPrinter Pin PC-25 Pin PC-9 Pin Signal Interface Signals & CablesPin Signal Description Problem SolvingNo Document Motion Carriage Fault or No Carriage MotionRollers Run at Power-Up or After Document Ejected No Printing or Light PrintingSwitching Power Supply Carriage Drive AssemblyDocument Drive Assembly Theory of Operation OverviewMicroprocessor System Keypad/Display AssemblyMain Printed Circuit Board Stepper Motor DriversPhase a I0A I1A Phase B I0B I1B Current Stepper Motor Drive Circuit U20 15 aSensors Keypad and Display Refer to Schematic #72135Printhead Drivers Character PrintingI L Printhead Drive CircuitDocument Feed Roller Cleaning MaintenanceLubrication and Cleaning 5.1.1 Lubrication Sensor CleaningCabinet Exterior Cleaning Printhead CleaningDocument Print Area Cleaning Harsh, abrasive cleanersService Parameter SET-UP Procedure Electrical AdjustmentsMechanical Adjustments 5.4.1 Printhead Gap Ribbon Shield Removal / Replacement Ribbon Shield Face Inspection Carriage Shaft Cam and Shaft Rack Carriage Drive Belt TensionDocument Drive Belt Tension Rear Document Roller Spring ForceAuto Alignment Gate Ramp Auto Alignment Gate HeightAuto Alignment Skew Sensor Calibration Replacement ProceduresFront Document Roller Spring Force CabinetKeypad Power Supply PCBSensor PCB DisplayCarriage Drive Belt Document MotorPrinthead Document Drive BeltNo Display TroubleshootingBasic Troubleshooting Procedure Defective KeypadNo Carriage Motion Defective SensorNo Document Motion Print Quality Symptom Condition RemedyNo Print or Light Print Erratic Character Spacing or False Document Jams Missing DotsErratic Document Feed or Mispositioning Interface InoperativeDiagnostic Flowchart Use this flow chart to assist in troubleshootingDescription 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