Citizen CT-S281 Series Service Manual
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Citizen CT-S281 Series Service Manual

Citizen CT-S281 Series Service Manual

Line thermal printer
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Service Manual

LINE THERMAL PRINTER
CT-S281 Series
MODEL
Rev. 1.00 Issued on January 13, 2009

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Summary of Contents for Citizen CT-S281 Series

  • Page 1: Service Manual

    Service Manual LINE THERMAL PRINTER CT-S281 Series MODEL Rev. 1.00 Issued on January 13, 2009...
  • Page 2 CT-S281 SERIES Service Manuall REVISION Rev. Date Page Comment 1.00 2009/ 1/ 13 Newly issued CITIZEN is a registered trade mark of CITIZEN HOLDINGS CO., LTD., Japan. CITIZEN es una marca registrada de CITIZEN HOLDINGS CO., LTD., Japón.

  • Page 3: Table Of Contents

    CT-S281 Service Manual CONTENTS INTRODUCTION............................3 1. DISASSEMBLY AND REASSEMBLY....................3 1.1 Tools Used............................3 1.2 Disassembly Procedure ........................4 1.2.1 Removing “UNIT, MAIN PCB” ....................4 1.2.2 Removing “AUTO CUTTER”......................8 1.2.3 Removing “UNIT, MECHANISMS” ...................9 1.2.4 Removing “CASE U” ........................10 1.2.5 Removing “UNIT, PLATEN” ....................11 1.2.6 Removing “BLADE,FIXED”......................12 1.2.7 Removing “SA,SUB PCB PE SENSOR”...................13 1.2.8 Removing “UNIT,PNE SENSOR”...

  • Page 4: Introduction

    CT-S281 SERIES Service Manual INTRODUCTION This manual describes the disassembly, reassembly, and maintenance procedures of CT-S281SERISS. 1. DISASSEMBLY AND REASSEMBLY Notes the following items when maintaining the printer. • Do not disassemble, reassemble, or adjust the printer unnecessarily when the printer operation is satisfactory.

  • Page 5: Disassembly Procedure

    CT-S281 SERIES Service Manual 1.2 Disassembly Procedure 1.2.1 Removing “UNIT, MAIN PCB” 2. The rear side of “CASE U” is opened a little. 1. Open “COVER”. And remove the two “SCREW,PHT(BT#3),M3.0×8” of the bottom. CASE U SCREW,PHT(BT#3),M3.0×8 < Attention at disassembly / reassembly >...
  • Page 6 CT-S281 SERIES Service Manual < Attention at disassembly > The connector is floated with tweezers.Insert the 4. Remove cable from “UNIT, MAIN PCB”. connector to the last minute. And the connector is pulled out carefully so as not to damage it.
  • Page 7 CT-S281 SERIES Service Manual 6. Remve UNIT,MECHANISM .And remove cable , FFC from “UNIT,MAIN PCB”. UNIT,MAIN PCB < Attention at reassembly > Don’T insert FFC diagonally.And insert FFC to the last minute. CN9 UNIT,PNE SENSOR CN10 SA,SUB PCB OPE-PANE CN6 SA,SUB PCB PE SENSOR...
  • Page 8 CT-S281 SERIES Service Manual 7. The power switch of “ UNIT,MAIN PCB ” is floated from “CASE L” a little. Power switch < Attention at reassembly > Don’t float the power switch. 8. Remove “INSULATOR”to careful “UNIT,MAIN PCB”. INSULATOR...

  • Page 9: Removing "Auto Cutter

    CT-S281 SERIES Service Manual 1.2.2 Removing “AUTO CUTTER” < Attention at disassembly > 1. Remove the two Do not transform “FRAME”by expanding it in “SCREW,PHT(ST#3),M3.0×6”. excess. FRAME SCREW,PHT(ST#3),M3.0×6 2. Widen “FRAME” a little, remove , “AUTO CUTTER”. AUTO CUTTER < Attention at reassembly>...

  • Page 10: Removing "Unit, Mechanisms

    CT-S281 SERIES Service Manual 1.2.3 Removing “UNIT, MECHANISMS” 1. Remove the two “SCREW,No.0,PHT(ST#3),M2.0×4”. MLT4280KS-281 SCREW,No.0,PHT(ST#3),M2.0×4 < Attention at reassembly > < Attention at reassembly > Pass FFC through the hole of the “FRAME”. Turn the cable of “MLT4280KS-281” to the cable...

  • Page 11: Removing "Case U

    CT-S281 SERIES Service Manual 1.2.4 Removing “CASE U” < Attention at disassembly / reassembly > 1. Remove “COVER” from “CASE U”. Don't have the stopper of “COVER”, because it has the possibility of damaging. COVER -10-...

  • Page 12: Removing "Unit, Platen

    CT-S281 SERIES Service Manual 1.2.5 Removing “UNIT, PLATEN” 1. Remove the two “SCREW,PHT(BT#3),M3.0×8”. SCREW,PHT(BT#3),M3.0×8 UNIT, PLATEN 2. Remove the one side of “SA, PLATEN ECR” and “SA, PLATEN ECR”. SA, PLATEN ECR -11-...

  • Page 13: Removing "Blade,Fixed

    CT-S281 SERIES Service Manual 1.2.6 Removing “BLADE,FIXED” 1. Remove “SCREW,No.0,PHT(BT#3),M2×4” and “BLADE,FIXED”. HOLDER PLATEN TE SCREW,No.0,PHT(BT#3),M2×4 BLADE,FIXED < Attention at reassembly > Fix “Fix Brade” to the two Projections. -12-...

  • Page 14: Removing "Sa,Sub Pcb Pe Sensor

    CT-S281 SERIES Service Manual 1.2.7 Removing “SA,SUB PCB PE SENSOR” 1. Remove “SCREW,PHT(BT#3),M2.6×5” and “SA,SUB PCB PE SENSOR”. SA,SUB PCB PE SENSOR SCREW,PHT(BT#3),M2.6×5 < Attention at reassembly > < Attention at reassembly > Fix “SA,SUB PCB PE SENSOR” to the Pass “SA,SUB PCB PE SENSOR”...

  • Page 15: Removing "Unit,Pne Sensor

    CT-S281 SERIES Service Manual 1.2.8 Removing “UNIT,PNE SENSOR” 1. Remove the two “SCREW,PHT(BT#3),M2.6×5” and “SPRING,PNE HOLDER”from the Projection of “CASE U”. SPRING,PNE HOLDER SCREW,PHT(BT#3),M2.6×5 2. Remove “UNIT,PNE SENSOR” from the Projection of “CASE U”. UNIT,PNE SENSOR < Attention at reassembly >...

  • Page 16: Removing "Conductor,Led

    CT-S281 SERIES Service Manual 1.2.9 Removing “CONDUCTOR,LED” 1. Remove the two “SCREW,PHT(BT#3),M2.6×5”. SCREW,PHT(BT#3),M2.6× < Attention at disassembly / reassembly > < Attention at disassembly / reassembly > Treat Operation Panel Assy carefully, because Note the lock. LED of Operation Panel has the possibility of damaging.

  • Page 17: Removing "Paper Cutter

    CT-S281 SERIES Service Manual 1.2.10 Removing “PAPER CUTTER” Treat Manual cutter carefully, because it is sharp. < Attention at disassembly / reassembly > 1. Remove the two “SCREW,No.0,PHT(BT#1),M2×5” and “PAPER CUTTER”. SCREW,No.0,PHT(BT#1),M2×5 PAPER CUTTER 1.2.11 Removing “CAP, CASE U” 1. Remove “CAP, CASE U”carefully, because it has the possibility of damaging.

  • Page 18: Memory Switch Setting

    CT-S281 SERIES Service Manual 2. Memory Switch Setting It is registered in the printer as follows by the option of the factory. They are different by the model, and not possible to change (1) Printer Name of the self-printing (2) Printer Name of the self-printing (3) Initial value However, the above-mentioned is unrelated to the function it.

  • Page 19: Troubleshooting

    CT-S281 SERIES Service Manual 3. TROUBLESHOOTING Error Indication Paper end Paper out is detected in two steps: paper near-end and paper end. ERROR LED will light when the paper is empty. If paper end is detected, refill the paper. If the printer cover is open, a paper-end is detected.
  • Page 20 CT-S281 SERIES Service Manual Lighting and blinking status of each error including the above is shown below. POWER LED ERROR LED PAPER LED Content of Error (Green) (Red) (orange) 1) Error to recover [1] Head overheat error automatically [2] Platen open error...

  • Page 21: Troubleshooting Procedure

    CT-S281 SERIES Service Manual Troubleshooting Procedure When a trouble occurs, confirm its phenomenon, locate a defective part in accordance with “2.2 Troubleshooting Guide”, and troubleshoot as described below. Find a trouble phenomenon in this column. If there are multiple phenomena, take all the Phenomenon corresponding items into consideration to locate hidden defective parts.
  • Page 22 CT-S281 SERIES Service Manual • Printing failure Phenomenon Cause Check Method Remedy No printing Faulty control PCB assy — Replace the control PCB assy. Failed contact/connection Check Re-insert thermal head of thermal head contact/connection connector. connector condition. Faulty thermal head —...
  • Page 23 CT-S281 SERIES Service Manual • Paper feed failure Phenomenon Cause Check Method Remedy Paper is not fed or Faulty connection of the Check the connector Connect the connector jammed. motor connector connection. correctly. Failed motor’s main unit Use tester or...

  • Page 24: Service Parts List

    CT-S281 SERIES Service Manual 4. SERVICE PARTS LIST Parts LIST for Mechanism -23-...
  • Page 25 CT-S281 SERIES Service Manual Loc.No. Parts No. Parts Name Remarks TE56201-00F CASE L, WHITE 1 CT-S281***-WH-** TE56202-00F CASE L, BLACK 1 CT-S281***-BK-** 2 TE59501-00F RUBBER FOOT Ｆ59118 SEC-2541 TE66801-00F UNIT,MAIN PCB SERIAL(WITH ROM)CJ CT-S281RSJ-** TE66811-01F UNIT,MAIN PCB SERIAL PNE(WITH ROM)CJ...
  • Page 26 CT-S281 SERIES Service Manual Loc.No. Parts No. Parts Name Remarks 37 500374-00 BLADE,FIXED 38 E70530-140F PARALLEL PIN 3X14 h-7 39 E11730-080F SCREW,PHT(BT#3),M3.0×8 40 E11126-030F SCREW,PHT(ST#3),M2.6×3 41 E11726-050F SCREW,PHT(BT#3),M2.6×5 42 E11120-040F SCREW,No.0,PHT(ST#3),M2.0×4 43 E13520-050F SCREW,No.0,PHT(BT#1),M2×5 44 E13520-040F SCREW,No.0,PHT(BT#3),M2×4 黒ｸﾛﾒｰﾄ 45 E11130-060F SCREW,PHT(ST#3),M3.0×6...
  • Page 27 CT-S281 SERIES Service Manual Loc.No. Parts No. Parts Name Remarks 301 TE56705-0S SA2,CASE L WHITE 1 CT-S281***-WH-** 302 TE56706-0S SA2,CASE L BLACK 1 CT-S281***-BK-** 303 TE56714-0S SA2,CASE U WHITE 1 CT-S281***-WH-** 304 TE56715-0S SA2,CASE U BLACK 1 CT-S281***-BK-** 305 TE56718-0S...

  • Page 28: List Of Electric Part

    CT-S281 SERIES Service Manual List of Electric Part MARK PARTS No. DESCRIPTION Parts Name Remarks Main Control Board C6180-407# HEC-0740-01-640 Connector C6149-159# DUSB-BRA42T11 USB Connector 1 CT-S281UB*-**-** ZA6190-040# 52806-2410 Connector ZA6190-041# 53047-0910 Connector C6190-053# 53014-0210 Connector C6198-404# 5267-04AX Connector C6196-935#...

  • Page 29: Parts Configuration

    CT-S281 SERIES Service Manual Parts Configuration 4.3.1 Main Control Board (Serial) -28-...

  • Page 30: Main Control Board (Usb)

    CT-S281 SERIES Service Manual 4.3.2 Main Control Board (USB) -29-...

  • Page 31: Circuit Diagram

    CT-S281 SERIES Service Manual 5. CIRCUIT DIAGRAM Main Control Board 5.1.1 Main Control Board (CPU) -30-...

  • Page 32: Main Control Board (Memory)

    CT-S281 SERIES Service Manual 5.1.2 Main Control Board (Memory) -31-...

  • Page 33: Main Control Board (Export)

    CT-S281 SERIES Service Manual 5.1.3 Main Control Board (Export) -32-...

  • Page 34: Main Control Board (Head)

    CT-S281 SERIES Service Manual 5.1.4 Main Control Board (Head) -33-...

  • Page 35: Main Control Board (Motor)

    CT-S281 SERIES Service Manual 5.1.5 Main Control Board (Motor) -34-...

  • Page 36: Main Control Board (Senor)

    CT-S281 SERIES Service Manual 5.1.6 Main Control Board (Senor) -35-...

  • Page 37: Main Control Board (Interface)

    CT-S281 SERIES Service Manual 5.1.7 Main Control Board (Interface) -36-...

  • Page 38: Main Control Board (Power)

    CT-S281 SERIES Service Manual 5.1.8 Main Control Board (Power) -37-...

  • Page 39: Pne Sensor

    CT-S281 SERIES Service Manual PNE Sensor Operation Panel -38-...

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