Citizen iDP3221 Service Manual
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Citizen iDP3221 Service Manual

Citizen iDP3221 Service Manual

Line thermal printer
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All manuals and user guides at all-guides.com
CITIZEN
Service Manual
Model: iDP3221
Line Thermal Printer
Rev. 1.00 Newly issued on May 10, 1999
Ja Ja
Jap p p p a a a a n n n n C C C C B B B B M M M M C C C C o o o o r r r r p p p p o o o o r r r r a a a a t t t t i i i i o o o o n n n n
Ja
I I I I n n n n f f f f o o o o r r r r m m m m a a a a t t t t i i i i o o o o n n n n S S S S y y y y s s s s t t t t e e e e m m m m s s s s D D D D i i i i v v v v . . . .

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  • Page 1 All manuals and user guides at all-guides.com CITIZEN Service Manual Model: iDP3221 Line Thermal Printer Rev. 1.00 Newly issued on May 10, 1999 Ja Ja Jap p p p a a a a n n n n C C C C B B B B M M M M C C C C o o o o r r r r p p p p o o o o r r r r a a a a t t t t i i i i o o o o n n n n...
  • Page 2 INTRODUCTION This manual describes the disassembly, reassembly, and maintenance procedures of the line thermal printer iDP3221. It is intended for field maintenance men. FEATURES This is a small line thermal printer developed to be used for various data communication termi- nals, POS terminals, kitchen printer, and so on.

  • Page 3: Table Of Contents

    Disassembly Drawing .......................25 Parts List for Control PCB Assy .....................27 Parts Layout Drawing ......................30 6.4.1 Control PCB Assy 3221-01 (Serial Interface D-sub 25) ..........30 6.4.2 Control PCB Assy 3221-02 (Parallel Interface)............32 DRAWING ............................34 Block Diagram..........................35 Circuit Diagram ........................36 CITIZEN – –...
  • Page 4 All manuals and user guides at all-guides.com iDP-3221 Service Manual 7.2.1 Control PCB Assy 3221-01 (Serial Interface D-sub 25) ..........36 7.2.2 Control PCB Assy 3221-02 (Parallel Interface)............37 OUTER DIMENSION ........................38 ¨ For the auto cutter unit (ACS-231), see the separate Service Manual. CITIZEN – –...
  • Page 5 CE O O O O F F F F P P P P R R R R I I I I N N N N T T T T E E E E R R R R See the User’s Manual coming with the printer body. CITIZEN –...

  • Page 6: Specifications

    2 2 2 2 ..1 1 1 1 B B B B a a a a s s s s i i i i c c c c S S S S p p p p e e e e c c c c i i i i f f f f i i i i c c c c a a a a t t t t i i i i o o o o n n n n s s s s – – Model iDP3221 RF120 iDP3221 RF230 Item –...

  • Page 7: Power Transmission And Paper Feed Mechanism

    When thermal paper is inserted between the platen roller and the thermal head, the rotation of the platen roller feeds the paper, which is delivered to the paper outlet. Motor Platen Roller Platen Gear Platen Roller Paper Motor Gear Thermal Elements Thermal Head Thermal Head Thermal Elements CITIZEN – –...

  • Page 8: Paper Sensor

    The sensor also works Paper in automatic paper loading to determine whether paper is inserted or not. (The paper sensor is built on the thermal head.) Thermal Head CITIZEN – –...

  • Page 9: Paper Near-End Sensor

    Latch Register (print commands STR1 - 3), the thermal Shift Register elements corresponding to the stored print data are energized, and the resultant heat works to print on the thermal paper. Thermistor [Equivalent circuit for thermal head] CITIZEN – –...
  • Page 10 P P P P r r r r i i i i n n n n t t t t P P P P o o o o s s s s i i i i t t t t i i i i o o o o n n n n s s s s The 512-bit print data (numbers 1 - 512) transferred from DATA IN (DI) is printed at the posi- tions shown in the figure below. Paper Feed Direction Paper Paper Feed Direction Print Surface Print Surface Data CITIZEN – –...
  • Page 11 (1) Open the printer cover. (2) Push the hinge part of either side of the printer cover inward and remove the hinge from the main body. (3) Remove the another hinge and detach the printer cover. Printer Cover Hinge CITIZEN – –...
  • Page 12 58 mm width is used) from the control board. (5) Remove the upper cover by lifting it upward while paying attention so as not it is dis- turbed by the head springs. Head Spring Platen Roller Connector CITIZEN – –...
  • Page 13 4. Removing the Rollers from the Upper Cover (1) Push either side of the roller shaft holding part outward to bend it as shown in the figure and remove the roller. Roller Shaft Holding Part Roller Shaft Holding Part CITIZEN – –...
  • Page 14 (2) Remove the two screws (M2.6´6) to detach the pressure roller block from the printer cover. (3) Bend the roller spring and Printer Cover remove it from the roller holder. (4) Bend the bearing part of the roller holder and remove the pressure roller. Roller Spring Roller Holder Roller CITIZEN – –...
  • Page 15 (1) Remove the bottom plate. (2) Remove the upper cover. (3) Disconnect the connector of the auto cutter from the control board. (4) Remove the two screws Auto Cutter ACS-231 (M2.6´6) and detach auto cutter lifting it upward. CITIZEN – –...
  • Page 16 (3) Remove the two screws (M3´16) and two screws (M3´8). (4) Remove the control board by lifting it upward. In this case, do not deform the thermal head, paper near-end sensor, power switch, etc. or make scratch on them. Control Board CITIZEN – –...
  • Page 17 Thermal Head Heat Sink 11. Removing the Motor from the Chassis (1) Remove the upper cover. (2) Remove the control board. (3) Remove the motor cable Motor form chassis detach motor removing the two screws (M3´5). CITIZEN – –...
  • Page 18 4 4 4 4 ..2 2 2 2 R R R R e e e e a a a a s s s s s s s s e e e e m m m m b b b b l l l l y y y y P P P P r r r r o o o o c c c c e e e e d d d d u u u u r r r r e e e e Reassemble each part in the reverse order of the disassembly procedure described in Section 4.1. CITIZEN –...

  • Page 19: Troubleshooting Guide

    ¨ If the fuse is gone with the specified AC voltage supplied to the AC adapter, it is likely that the thermal head unit or control PCB assy is defective. Replace either defective one. Incidentally, check the wiring of the drawer and interface cable. CITIZEN – –...
  • Page 20 Check whether the pa- Replace it with the per meets the specifica- specified paper. tions. Low DC output voltage Check the DC voltage Supply the specified AC from the AC adapter with a DC voltmeter. voltage adapter. CITIZEN – –...
  • Page 21 Supply the specified AC from the AC adapter with a DC voltmeter. voltage adapter. Defective motor Measure supply If the supply voltage is voltage with a DC volt- normal, replace the mo- meter or oscilloscope. (printer mecha- nism). CITIZEN – –...
  • Page 22 ¨ If the no-paper condition is not detected while the printer is running out of the recording paper, it will print without the paper, leading to a trouble of the head, and so on. CITIZEN – –...
  • Page 23 E6611-650 Paper Sensor Holder E 391-120 Photo Interrupter GP2S40 E6601-310 Head BK E6601-320 Head Spring E8017-070 Motor SMB40-4845-A E8040-030 Platen Roller Assy Platen Roller Platen Bush Platen Gear E-Ring No. 4 Platen Lever L Platen Lever R CITIZEN – –...

  • Page 24: Control Pcb Assy 3221-02 (Parallel Interface)

    23G22821 Screw M3´8 S Tight 23G62837 Screw M3´16 S Tight 23G42966 Screw M3´6 S Tight with Toothed Lock Washer 23G22796 Screw M3´8 B Tight 23G23179 Screw M2.6´6 B Tight E8031-100 Roller Holder E8031-110 Roller E8031-120 Roller Spring CITIZEN – –...
  • Page 25 · · · · D D D D i i i i s s s s a a a a ss ss ss sse e e e m m m m b b b b l l l l y y y y D D D D r r r r a a a a w w w w i i i i n n n n g g g g - - - - 1 1 1 1 See "Disassembly Draw- ing-2 on the next page. CITIZEN – –...
  • Page 26 · · · · D D D D i i i i s s s s a a a a ss ss ss sse e e e m m m m b b b b l l l l y y y y D D D D r r r r a a a a w w w w i i i i n n n n g g g g - - - - 2 2 2 2 CITIZEN –...
  • Page 27 01 ( ( ( ( S S S S e e e e r r r r i i i i a a a a l l l l I I I I n n n n t t t t e e e e r r r r f f f f a a a a c c c c e e e e D D D D - - - - s s s s u u u u b 25 b 25 b 25) ) ) ) b 25 1 1 1 1 / / / / 3 3 3 3 iDP3221 iDP3221 Ref. No Parts No. Description...
  • Page 28 All manuals and user guides at all-guides.com iDP-3221 Service Manual 2 2 2 2 / / / / 3 3 3 3 iDP3221 iDP3221 Ref. No Parts No. Description E2110-880 C. Cap GRM40B102K50PT C102-108 E2110-885 C. Cap. GRM40B331K50PT C110-115 E2110-905 C.
  • Page 29 All manuals and user guides at all-guides.com iDP-3221 Service Manual iDP3221 IDP3221 Ref. No Parts No. Description E48000880 Connector ESDB-25S-R2N (JPN/EUR) E48000875 Connector ESDB-25S-R1N 1 (USA) E48000830 Connector 57RE-40360-730B(D29A) CN9,10 E4800-940 Connector 5267-02A-X E5103-520 DIP SW. KSD10H E5103-510 DIP SW.
  • Page 30 · · · · P P P P a a a a r r r r t t t t s s s s S S S S i i i i d d d d e e e e CITIZEN –...
  • Page 31 · · · · S S S S o o o o l l l l d d d d e e e e r r r r S S S S i i i i d d d d e e e e CITIZEN –...
  • Page 32 · · · · P P P P a a a a r r r r t t t t s s s s S S S S i i i i d d d d e e e e CITIZEN –...
  • Page 33 · · · · S S S S o o o o l l l l d d d d e e e e r r r r S S S S i i i i d d d d e e e e CITIZEN –...

  • Page 34: Block Diagram

    7 7 7 7 ..D D D D R R R R A A A A W W W W I I I I N N N N G G G G The following lists the reference drawings for maintenance, and so on. • Block diagram • Circuit diagrams for the following circuits • Control PCB Assy (Serial Interface) • Control PCB Assy (Parallel Interface) CITIZEN – –...
  • Page 35 7 7 7 7 ..1 1 1 1 B B B B l l l l o o o o c c c c k k k k D D D D i i i i a a a a g g g g r r r r a a a a m m m m CITIZEN –...
  • Page 36 01 ( ( ( ( S S S S e e e e r r r r i i i i a a a a l l l l I I I I n n n n t t t t e e e e r r r r f f f f a a a a c c c c e e e e D D D D - - - - s s s s u u u u b 25 b 25 b 25 b 25) ) ) ) CITIZEN – –...
  • Page 37 02 ( ( ( ( P P P P a a a a r r r r a a a a l l l l l l l l e e e e l l l l I I I I n n n n t t t t e e e e r r r r f f f f a a a a c c c c e e e e ) ) ) ) CITIZEN –...
  • Page 38 ER D D D D I I I I M M M M E E E E N N N N S S S S I I I I O O O O N N N N · · · · P P P P r r r r i i i i n n n n t t t t e e e e r r r r Unit: mm CITIZEN – –...
  • Page 39 AC A A A A d d d d a a a a p p p p t t t t e e e e r r r r ( ( ( ( 31 31 31 31A A A A D D D D ) ) ) ) Unit: mm CITIZEN – –...

This manual is also suitable for:

Idp3221-rf120Idp3221-pf120Idp3221-rf230Idp3221-pf230

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