Citizen CT-S651 Series

Service Manual
COMPACT LINE THERMAL PRINTER
CT-S651 Series
Revision 1.00 2010.3.29

Citizen CT-S651 Series Specifications

General

Brand	Citizen
Model	CT-S651 Series
Category	Printer
Language	English

Summary

Introduction and General Information

Manual Overview and Purpose

Overview of the service manual's purpose and content for CT-S651 Series printers.

Essential Tools for Maintenance

Lists the necessary tools for performing printer disassembly and reassembly procedures.

Disassembly, Reassembly, and Oiling

Printer Disassembly Procedures

Step-by-step instructions for disassembling the printer and its mechanism unit.

Assembly and Oiling Guidelines

Guidance on reassembling printer components and performing essential lubrication.

Troubleshooting and Error Diagnostics

Error Indication and Condition Explanations

Explanation of LED error patterns and detailed descriptions of printer error conditions.

Troubleshooting Procedures and Guides

Methodology for fault diagnosis and guides for common printer failures.

Service Parts List and Layouts

Mechanical Parts List and Exploded Diagrams

Catalog of mechanical parts with numbers, quantities, and visual exploded diagrams.

Printed Circuit Board (PCB) Layouts

Layout diagrams illustrating the placement of various PCBs like MAIN, SERIAL, USB, and ETHERNET.

Circuit Diagrams

Main PCB Circuit Diagrams

Detailed schematics for the Main PCB sections: CPU, ROM, RAM, SENSORS, and POWER.

Interface PCB Circuit Diagrams

Circuit diagrams for Serial, Parallel, USB, USB HUB, Powered USB, and Ethernet Interface PCBs.

Ethernet Interface PCB Sub-circuits

Circuit diagrams for CPU2, SD RAM, PHY, and I/F sections of the Ethernet Interface PCB.