Citizen CT-P292 Series Service Manual
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Citizen CT-P292 Series Service Manual

Citizen CT-P292 Series Service Manual

Compact line thermal printer
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Service Manual

COMPACT LINE THERMAL PRINTER
CT-P292/293 Series
Revision 1.00 2010.2.15

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Summary of Contents for Citizen CT-P292 Series

  • Page 1: Service Manual

    Service Manual COMPACT LINE THERMAL PRINTER CT-P292/293 Series Revision 1.00 2010.2.15...
  • Page 2 CT-292/293 Series Service Manual REVISIONS Rev No. Date Page Comment 1.00 2010/2/15 Newly issued CITIZEN is a registered trademark of CITIZEN HOLDINGS CO., LTD., Japan. CITIZEN es una marca registrada de Citizen Holdings Co., Japón. - 1 -...

  • Page 3: Table Of Contents

    CT-292/293 Series Service Manual CONTENTS INTRODUCTION .....................4 DISASSEMBLY AND REASSEMBLY............4 1-1. Tools Used .........................4 1-2. Disassembly Procedure .....................5 1-2-1. Disassembling the Printer..................5 1-2-2. Disassembling “UNIT, MECHANISM” ..............8 1-3. Assembly Procedure......................16 1-4. Oiling..........................17 TROUBLESHOOTING ................18 2-1. Error Indication.........................18 Explanations of Error Conditions..................20 2-2-1 Head Overheat Error ..................20 2-2-2...
  • Page 4 CT-292/293 Series Service Manual CIRCUIT DIAGRAMS................31 4-1. MAIN PCB ........................31 4-1-1. Main Control Board (CPU).................31 4-1-2. Main Control Board (RAM, ROM) ..............32 4-1-3. Main Control Board (EXTEND PORT) ...............33 4-1-4. Main Control Board (HEAD) ................34 4-1-5. Main Control Board (FEED MOTOR, CUTTER) ..........35 4-1-6.

  • Page 5: Introduction

    CT-292/293 Series Service Manual INTRODUCTION This manual describes the disassembly, reassembly, and maintenance procedures of CT-P292/293 Series. DISASSEMBLY AND REASSEMBLY Note the following items when performing maintenance of the printer. • Do not disassemble, reassemble, or adjust the printer unnecessarily when the printer operation is satisfactory.

  • Page 6: Disassembly Procedure

    CT-292/293 Series Service Manual 1-2. Disassembly Procedure 1-2-1. Disassembling the Printer Disassembling “COVER, OPE-PANE” Press in the lugs on the right and left at “COVER, OPE-PANE” and remove “COVER, OPE-PANE” toward you. Lugs COVER, OPE-PANE <Precaution at reassembly> Engage the lugs at “COVER OPE-PANE” to “CASE L”. Try to pull “COVER OPE-PANE”...
  • Page 7 CT-292/293 Series Service Manual Disassembling “DOOR FRONT” Flip down “SA, DOOR FRONT” toward you. Remove “E-RING, 2.0” that fasten “LINK, FRONT DOOR” and “SA, LEVER PLATEN” at the right and left, and disengage “LINK, FRONT DOOR” from “DOOR FRONT”. SA, LEVER PLATEN E-RING, 2.0 LINK, FRONT DOOR <Precaution at disassembly / reassembly>...
  • Page 8 CT-292/293 Series Service Manual Disassembling “UNIT, MAIN PCB” Remove four “SCREW, PHT (ST#3), M3.0 × 6”, and detach “UNIT, MAIN PCB” that is secured between “PLATE SHIELD” and “SA, FRAME BASE”. SCREW, PHT (ST#3), M3.0 × 6 PLATE SHIELD UNIT, MAIN PCB Raise the front edge of “UNIT, MAIN PCB”...

  • Page 9: Disassembling "Unit, Mechanism

    CT-292/293 Series Service Manual 1-2-2. Disassembling “UNIT, MECHANISM” Disassembling “SA, HOLDER PAPER” Remove “SCREW, PHT (BT#3), M3.0 × 8”, that fasten “SA, FRAME BASE” and “SA, HOLDER PAPER”, from the right and left sides, respectively. SCREW, PHT (BT#3), M3.0 × 8 <Precaution at reassembly>...
  • Page 10 CT-292/293 Series Service Manual <Precaution at disassembly / reassembly> Take up slack from the cable. For the auto-cutter model, route the cable outside the screw for “GUIDE, PAPER ADJUST”, and insert it into the groove at “SA, Insert the cable HOLDER PAPER”...
  • Page 11 CT-292/293 Series Service Manual Detach the boss at “SA, FRAME BASE” from “FRAME, FRONT DOOR” while pulling “FRAME, FRONT DOOR” outwardly. Detach two lugs that fasten “GUIDE FRONT DOOR”. Detach two lugs from the right and left sides of the platen roller. <Precaution at disassembly / reassembly>...
  • Page 12 CT-292/293 Series Service Manual Remove “SPRING, PLATEN LOCK” from the right and left sides of “FRAME, FRONT DOOR”. Face them inwardly. SA, LEVER PLATEN L SA, LEVER PLATEN R <Precaution at reassembly> When reassembling, keep the end of “SPRING, PLATEN LOCK” facing inwardly under the “FRAME, FRONT DOOR”.
  • Page 13 CT-292/293 Series Service Manual <Precaution at reassembly> When reassembling, insert “PLATEN”, together with “PLATEN BUSHING”, into “FRAME, FRONT DOOR” from the right. Since the shaft length of “PLATEN” differs between the right and left, be careful not to insert “PLATEN” in a wrong orientation. Disassembling “AUTO CUTTER”...
  • Page 14 CT-292/293 Series Service Manual AUTO CUTTER (CT-P293) DUMMY, CUTTER FLAME (CT-P292) Paper guide Paper guide Disassembling “SA, LEVER PLATEN L & R” Remove two “E-RING, 2.0” from the right and left sides of “FRAME, FRONT DOOR”. Left side Right side <Precaution at reassembly>...
  • Page 15 CT-292/293 Series Service Manual Remove “SCREW BHT (ST), M2.0 × 4” that fastens “SA, F BLADE STAY” and “F-BLADE”. Align the bosses. Auto-cutter model (CT-P293) only <Precaution at reassembly> Align the bosses at “F BLADE STAY” with the holes at “SA, FRAME BASE”. Check the orientation of “F-BLADE”.
  • Page 16 CT-292/293 Series Service Manual Disassembling “PE SWITCH ASSY” Remove “SCREW, PHT (BT#3), M1.7 × 6” that fastens “SA, FRAME BASE” and “PE SWITCH ASSY”. SCREW, PHT (BT#3), M1.7 × 6 Hole for screw Keep the cable away from the frame. Hole for boss <Precaution at reassembly>...

  • Page 17: Assembly Procedure

    CT-292/293 Series Service Manual <Precaution at reassembly> Turn “MOTOR ASSY” and insert the lower flange into the fixture. Then secure “MOTOR ASSY” with a screw. 1-3. Assembly Procedure When reassembling the parts, follow the procedure of “1-2 Disassembly Procedure” in reverse. - 16 -...

  • Page 18: Oiling

    CT-292/293 Series Service Manual 1-4. Oiling Oil Used (Grease) • FLOIL G-602S (Kanto Kasei) Oiling Positions (1) Pins at the gear on “SA, FRAME BASE R” (2 positions) (2) Mating section of “SA, FRAME BASE R & L” and “SA, LEVER PLATEN R & L” (3) Slideways at “SA, FRAME FRONT DOOR”...

  • Page 19: Troubleshooting

    CT-292/293 Series Service Manual TROUBLESHOOTING 2-1. Error Indication When an error is detected, the three LEDs indicate the error status in the following patterns. LED on the panel POWER LED (green) Lit: Power supplied Blinking: Memory check error, hex-dump mode, memory switch setting mode Not lit: Power not supplied ERROR LED (red)
  • Page 20 CT-292/293 Series Service Manual POWER LED ERROR LED PAPER LED Status (Green) (Red) (Orange) Paper end − Macro execution wait *1, 2: When the front cover is opened during paper feed or printing, the paper sensor may be activated, resulting in the paper end error. After closing the front cover, reset the error by using a command.

  • Page 21: Explanations Of Error Conditions

    CT-292/293 Series Service Manual Explanations of Error Conditions 2-2-1 Head Overheat Error When the head temperature is raised (approx. 75°C or above), the ERROR LED blinks and printing operation is stopped to protect the print head from overheat. When the head temperature is lowered (approx. 70°C or lower), printing operation is automatically restarted. 2-2-2 Cover Open Error When the front cover is opened during paper feed or printing, the ERROR LED blinks.

  • Page 22: Troubleshooting Procedure

    CT-292/293 Series Service Manual 2-3. Troubleshooting Procedure When a fault occurs, confirm its phenomenon, locate the problem in accordance with “2.2 Troubleshooting Guide”, and troubleshoot it as described below. Find the fault phenomenon in this column. If there are multiple phenomena, take all the applicable Phenomenon items into consideration.
  • Page 23 CT-292/293 Series Service Manual ● Printing Failure Phenomenon Cause Check Method Remedies No printing The control PCB is faulty. Replace “UNIT, MAIN PCB”. − The thermal head connector Check the contact or Re-insert the thermal head has a bad contact or connecting condition.
  • Page 24 CT-292/293 Series Service Manual ● Paper Feed Failure Phenomenon Cause Check Method Remedies Paper is not fed. The motor connector has a Check the connecting Connect the connector bad connection. condition of the connector. correctly. Paper feed is not straight. The motor is faulty.

  • Page 25: Service Parts List

    CT-292/293 Series Service Manual SERVICE PARTS LIST Remarks: All the parts used in the product are contained in “SERVICE PARTS LIST” in this Service Manual. However, note that all of them are not available with customers. When placing an order for service parts, refer to the Parts Price List published separately. If you need the Parts Price List, consult the local distributor from whom you purchased this product.
  • Page 26 CT-292/293 Series Service Manual Part No. Part Name Q’ty Remarks PLATE,MOUNTING 292 Not supplied 25-0355 CORD ASSY CA212-5 ZH67901-00F CORE, I/F CABLE 36AD2-J OPTION SA, POWER BOARD for AT model, Not supplied COVER, POWER CON BOARD for AT model, Not supplied SA, I/F CABLE HOSIDEN for AT model, Not supplied CLAMP, WIRE...

  • Page 27: Mechanical Exploded Diagrams

    CT-292/293 Series Service Manual 3-1. Mechanical Exploded Diagrams Overall exploded diagram - 26 -...
  • Page 28 CT-292/293 Series Service Manual Exploded diagram - configuration of No. 201 Exploded diagram - configuration of No. 202 - 27 -...
  • Page 29 CT-292/293 Series Service Manual Exploded diagram - configuration of No. 203 Exploded diagram - configuration of No. 204 - 28 -...
  • Page 30 CT-292/293 Series Service Manual Exploded diagram - configuration of No. 205 Exploded diagram - configuration of No. 206 - 29 -...
  • Page 31 CT-292/293 Series Service Manual Exploded diagram - configuration of No. 207 - 30 -...

  • Page 32: Circuit Diagrams

    CT-292/293 Series Service Manual CIRCUIT DIAGRAMS 4-1. MAIN PCB 4-1-1. Main Control Board (CPU) - 31 -...

  • Page 33: Main Control Board (Ram, Rom)

    CT-292/293 Series Service Manual 4-1-2. Main Control Board (RAM, ROM) - 32 -...

  • Page 34: Main Control Board (Extend Port)

    CT-292/293 Series Service Manual 4-1-3. Main Control Board (EXTEND PORT) - 33 -...

  • Page 35: Main Control Board (Head)

    CT-292/293 Series Service Manual 4-1-4. Main Control Board (HEAD) - 34 -...

  • Page 36: Main Control Board (Feed Motor, Cutter)

    CT-292/293 Series Service Manual 4-1-5. Main Control Board (FEED MOTOR, CUTTER) - 35 -...

  • Page 37: Main Control Board (Sensor)

    CT-292/293 Series Service Manual 4-1-6. Main Control Board (SENSOR) - 36 -...

  • Page 38: Main Control Board (Parallel I/F)

    CT-292/293 Series Service Manual 4-1-7. Main Control Board (PARALLEL I/F) - 37 -...

  • Page 39: Main Control Board (Usb I/F)

    CT-292/293 Series Service Manual 4-1-8. Main Control Board (USB I/F) - 38 -...

  • Page 40: Main Control Board (Serial I/F, Power)

    CT-292/293 Series Service Manual 4-1-9. Main Control Board (SERIAL I/F, POWER) - 39 -...

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Ct-p293 series

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