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Citizen Systems CBM-710/720 service manual DOT Matrix Printer

Models: CBM-710/720

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Troubleshooting Parts list Block Diagram Maintenance Disassembly/Assembly Power Circuit Cam Switch Cutter Gear

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Service Manual

DOT MATRIX PRINTER

MODEL CBM-710/720

Rev.1.00 Newly issued on Mar, 1989

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Citizen Systems CBM-710/720 service manual DOT Matrix Printer

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Contents

DOT Matrix Printer Contents Chapter Printer Disassebly and Assembly How to the Upper Cover and Rear Cover How to Remove the Control Board How to Remove the Printer Mechanism How to Remove the Power Board and AC Power Unit How to Remove the Operation Panel Board and PE Sensor Board How to Remove the Auto Cutter Unit Chapter Circuit Description Outline Block Diagram CPU and ROM/RAM Circuit CPU Peripheral Circuits Power Failure Interrupt Circuit and Initial Resetting Printer Control Circuit Printer Control Circuit Normal Reverse Stop Cutter Control Circuit Operation Panel Circuit Interface with Operation Panel Paper End Sensor Circuit Paper End Sensor Circuit STB Parallel Interface Circuit Parallel Interface Circuit Serial Interface Circuit Serial Interface Circuit Diagram RS422A Interface Circuit RS422A Interface Circuit Power Supply Circuit Power Circuit Chapter Auto Cutter Maintenance and Handling Mechanism and Principle of Operation Cam Switch Cutter Gear Repairing Troubleshooting Page Disassembly/Assembly Page Chapter Circuit Diagram Power Supply Circuit Diagram CBM710/720-001-00 Noise Filter Circuit Diagram CBM710/720-002-00 Paper End Sensor Circuit Diagram CBM710/720-004-00 Circuit Diagram Parallel Circuit Diagram RS232C CBM710/720-008-00 Chapter Parts List Exploded View CBM-710/720 Parts List Ref. No Parts No Description CBM-710,720 CBM-710 CBM-72037 Block Diagram CBM-710/720 Block Diagram Power Supply Unit CBM-710/720 PC Board Noise Filter Unit CBM-710/720 Parts Position Noise Filter Unit Control Board Assy RS232C CBM-710/720 Parts List Control Board Assy RS232C OSC Parts Position Control Board Unit RS232C Control Board Assy Parallel CBM-710/720 Parts List Control Board Assy Parallel Parts List Control Board Assy Parallel Parts Position Control Board Unit Parallel Control Board Assy RS422A CBM-710/720 Parts List Control Board Assy RS422A OSC Parts Position Control Board Unit RS422A Operation Panel Unit Parts Position Operation Panel Unit Parts Position PE Detector Unit OP Junction Block AC-2 AC-3 Auto Cutter AC-2/AC-3 AC-2 AC-3 Winder AW-2 AW-2

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