Citizen CBM-920 service manual Disassembly and Reassembly, Disassembly Procedure

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CBM-920 Service Manual

3. DISASSEMBLY AND REASSEMBLY

3-1 Disassembly Procedure

1.Remove a shield cover.

(1)Insert a regular screwdriver into a slot in the top(or bottom) of the shield cover.

(2)Raising the end of the regular screwdriver, remove the shield cover.

2.Remove a control board.

(1)Using a Phillips screwdriver, loosen an earthing plate setscrew(PHT, M2.6 X 8) and FG cable setscrew(PHT, M2.6 X 8).

(2)Using the Phillips screwdriver, loosen two screws(M2.6 x 8) fixing an inner board.

(3)Disconnect a connected from the board.

(4)Remove an insulating sheet.

3.Remove the front covers(upper and lower).

(1)Push out a roller pin from the lower front cover(where the printing paper comes out).

(2)Paying attention to a harness projecting from the front cover, remove the front cover.

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CITIZEN

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Contents Citizen Introduction FeaturesContents Basic Specifications Handling and Maintenance of Printer SpecificationsDisassembly Procedure Disassembly and ReassemblyCitizen Reassembly Procedure Troubleshooting Procedure TroubleshootingTroubleshooting Guide Parts List for Mechanism Service Parts ListDisassembly Drawing Ref. No Parts No Description CBM-920-PF CBM920-RF Parts List for Control BoardRef. 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