Citizen CBM-920 service manual Troubleshooting Procedure

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CBM-920 Service Manual

4. TROUBLESHOOTING

4-1 Troubleshooting Procedure

When a trouble occurs, confirm its phenomenon, locate a defective part in accordance with 4-2 Troubleshooting Guide, and troubleshoot as described below.

·Phenomenon: Find a trouble phenomenon in this column. If there are multiple phenomena, take all the corresponding items into consideration. This allows you to specify a hidden defective part.

· Cause:

Lists as many possible causes as possible. Guess a trouble cause out

 

of them and take its check method to specify the trouble cause.

·Check Method: Describes a check method to specify a trouble cause.

· Remedy:

Troubleshoot by taking a remedy described in this column.

By troubleshooting in accordance with the above-mentioned procedure, you can troubleshoot efficiently with less misjudgments.

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CITIZEN

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Contents Citizen Features IntroductionContents Handling and Maintenance of Printer Specifications Basic SpecificationsDisassembly and Reassembly Disassembly ProcedureCitizen Reassembly Procedure Troubleshooting Troubleshooting ProcedureTroubleshooting Guide Service Parts List Parts List for MechanismDisassembly Drawing Parts List for Control Board Ref. No Parts No Description CBM-920-PF CBM920-RFRef. No Parts No Description CBM920-PF CBM920-RF Parts Layout Drawing Main PCB Assy for CBM-920-RFSerial Interface Drawing for Jumper Lead Drawing Circuit Coverall Wiring Diagram Circuit Diagram CBM-920-RF Serial Interface