Star AR-1000 Technical Manual
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Star AR-1000 Technical Manual

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DOT MATRIX PRINTER
AR-1000
TECHNICAL MANUAL
[ SECOND EDITION ]

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  • Page 1 DOT MATRIX PRINTER AR-1000 TECHNICAL MANUAL [ SECOND EDITION ]...
  • Page 2 • All efforts have been made to ensure the accuracy of the contents of this manual at the time of going to press. However, should any errors be detected, STAR would greatly appreciate being in- formed of them. • The above notwithstanding, STAR can assume no responsibility for any errors in this manual.
  • Page 3 INTRODUCTION This manual describes the AR-1000 dot matrix printer. It is designed for use as a reference for periodic inspections and maintenance procedures to be executed by service personal. It is not intended for the general user. Users of this manual should have a basic knowledge and understanding of the English language.
  • Page 4 (Blank Page)

  • Page 5: Table Of Contents

    CHAPTER 1 GENERAL SPECIFICATIONS 1. General Specifications .................... 3 2. External Appearance and Composition ..............5 3. Parallel Interface ...................... 7 3-1. General Specifications .................. 7 3-2. Connector Signals ..................7 4. Serial Interface ......................8 4-1. General Specifications .................. 8 4-2.
  • Page 6 (Blank Page)

  • Page 7: General Specifications

    General Specifications Printing System Serial Impact Dot-Matrix Printing Speed Pitch Draft (cps/dpi) LQ (cps/dpi) Pica (10 cpi) 250/120H 83/360H Elite (12 cpi) 300/120H 100/360H Semi-condensed (15 cpi) 375/120H 125/360H Condensed pica (17.1 cpi) – 143/360H 18 cpi 300/180H – Condensed elite (20 cpi) 250/240H 167/360H H: half-dot...
  • Page 8 Pass-Book Paper width: 4″ to 6″ / 101.6 to 152.4 mm Paper length: 5.0 - 8.0” / 127.0 - 203.2 mm(With the Pass-book opening.) Paper thickness: Max 2.0mm (Total thickness) Paper number: Max 14 (Except cover) Interface Standard: RS-232C serial Option: Centronics parallel or RS-232C serial Ribbon Type...

  • Page 9: External Appearance And Composition

    External Appearance and Composition Front cover Power switch Platen knob Document table extension Control panel Document table Fig. 1-2 Front View of the Printer Serial interface connector Power terminal Fig. 1-3 Rear View of the Printer – 5 –...
  • Page 10 Print Head Platen Fig. 1-4 Print Cover Removed Gap Motor Carriage Motor Shutter Motor Paper Feed Motor Control Panel Board Main Logic Board Power Supply Unit Fig. 1-5 Diagram of Internal Layout – 6 –...

  • Page 11: Parallel Interface

    Parallel Interface 3-1. General Specifications Item Specifications Interface Centronics-compatible Synchronization System Via externally supplied STROBE pulse I/F Protocol Using ACK and BUSY signals Logic Level Compatible with TTL level 5µs 5µs Data STROBE (EDS B-6 : ON) STROBE (EDS B-6 : OFF) BUSY t : More than 0.5µs Fig.

  • Page 12: Serial Interface

    Serial Interface 4-1. General Specifications Item Specifications Interface RS-232C level Synchronization System Asynchronous 300 - 19,200 bits per second (BPS) [selectable] Baud rate 300, 600, 1200, 2400, 4800, 9600, 19200 BPS Word length Start bit: 1 bit Data bit: 7 or 8 bits (selectable) Parity bit: Odd, Even or None (selectable) Stop bit:...

  • Page 13: Block Diagram

    Block Diagram The block diagram of this printer is shown in Fig. 1-7. Data (From Host Computer) Print head Carriage interface Driver motor Paper feed Gate array motor Switch Masked ROM Detectors Control panel board UVE-PROM EE-PROM Power supply unit Printer mechanism Main logic board...
  • Page 14 (Blank Page)
  • Page 15 CHAPTER 2 ADJUSTMENTS This printer has undergone various adjustments so that it will attain a given standard of performance. In this chapter, a brief explanation is given of the methods for making adjustments. Follow the instructions when performing maintenance inspections or when replacing parts to correct malfunctions. 1.
  • Page 16 (Blank Page)

  • Page 17: Adjustment Of Gap Between Print Head And Platen

    Adjustment of Gap Between Print Head and Platen Procedures Printer Operations :OFF :Blinking Power on the printer while 5 Short beeps and enters the head gap holding down the [SW3] and adjustment mode. [SW4] buttons. LED A LED B Insert paper of 55 Kg keeping Loads paper authomatically,senses it to the most left.

  • Page 18: Adjustment Of Timing Belt Tension

    Adjustment of Timing Belt Tension Remove the front case unit according to the procedures described in chapter 3. Move the carriage unit [1] up to the extreme right position. Move the screw [3] fixing tension lever assembly [2] approximately 1mm to loosen the tension, then tighten the screw.
  • Page 19 CHAPTER 3 PARTS REPLACEMENT This chapter explains disassembly and reassembly of the printer. Note the following regarding disassembly and reassembly. 1. Disconnect the printer from the wall outlet before servicing it. 2. Assembly is the reverse of disassembly unless otherwise specified. 3.

  • Page 20: Upper Case Unit

    Upper Case Unit Turn off the power switch. Remove the power cord from the AC output socket. Remove • Platen knob [1] [2-1] • Upper case unit [2] Detach the three hooks[2-1] of the upper case unit, and lean the upper case forward for removal. •...

  • Page 21: Main Logic Board Unit

    Main Logic Board Unit Remove Printer machanism as described in section 2. • Three screws [1] • Connector [2] • Main logic board unit [3] Adjust • Gap between print head and platen. Refer to section 1 of chapter 2. Power Supply Unit Remove Printer machanism as described in section 2.

  • Page 22: Print Head

    Print Head Remove Upper case unit as described in section 1. • Ribbon cassette [1] • Move the carriage unit [2]to left side. • Two screws [3] • Two cables [4] • Print head [5] WARNING • The Print head gets hot after printing . Do not touch it untill in cools.

  • Page 23: Carriage Motor Assembly

    Carriage Motor Assembly Remove Carriage unit as described in section 6. • Connector [1] • Two screws [2] • Two rubber bushings [3] • Rubber sheet [4] • Carriage motor assy [5] Shutter Motor Assembly Remove Printer machanism as described in section 2. •...

  • Page 24: Roller Guide Shaft A Assembly

    Roller Guide Shaft A Assembly Remove Printer mechanism as described in section 2. • Screw [1] • Sub-roller guide [2] • Two stop rings [3] • Link plate [4] • Stop ring [5] • Stop ring [6] • Screw [7] •...

  • Page 25: Shutter Assembly

    11. Shutter Assembly Remove Printer mechanism as described in section 2. • Two springs [1] • Three stop rings [2] • Link plate [3] • Two stop rings [4] • Screw [5] • Link plate A [6] • Shutter holder [7] •...
  • Page 26 (Blank Page)
  • Page 27 CHAPTER 4 MAINTENANCE AND LUBRICATION 1. Maintenance ......................25 1-1. Cleaning ......................25 1-2. Checks ......................25 2. Lubrication ......................26 2-1. Lubricant ....................... 26 2-2. Lubricating Method ..................26 2-3. Lubricated Areas ..................26...
  • Page 28 (Blank Page)
  • Page 29 Maintenance In order to maintain the optimum performance of this printer and to prevent trouble, maintenance must be carried out according to the following items. 1-1. Cleaning Removal of dirt Wipe off dirt with a soft cloth soaked in alcohol or benzine. Note: Do not use thinner, trichlene or ketone solvents because they may damage plastic parts.
  • Page 30 Lubrication Lubrication is very important to maintain optimum performance and to prevent trouble. 2-1. Lubricant The type of lubricant greatly affects the performance and durability of the printer, especially in a low temperature environment. We recommend use of the grease and lubrication oils listed below for this printer Type of oil Product name Maker...
  • Page 31 [26] [25] [24] stop ring TM Pulley Pulley shaft [23] [10] [23] [10] [23] [10] [23] [10] Fig4-1 Luburicated Areas (Printer Mechanism2/1) – 27 –...
  • Page 32 [11] [12] Shaft Shutter gear A Fig4-2 Luburicated Areas (Printer Mechanism2/2) – 28 –...
  • Page 33 [13] [14] Fig4-3 Luburicated Areas (Carriage Unit) [16] [20] [22] [21] [20] [19] [18] [21] [19] [15] [18] [17] Fig4-4 Luburicated Areas (Ribbon Drive Unit) – 29 –...
  • Page 34 (Blank Page)
  • Page 35 CHAPTER 5 PARTS LIST HOW TO USE PARTS LIST DRWG. NO. This column shows the drawing number of the illustration. REVISED EDITION MARK This column shows a revision number. Part that have been added in the revised edition are indicated with "#" Part that have been abolished in the revised edition are indicated with "*"...

  • Page 36: Printer Assembly

    Printer Assembly 1-1. Disassembly Drawing – 32 –...

  • Page 37: Parts List

    1-2. Parts List Printer Assembly DRWG.NO. REV. PARTS NO. PARTS NAME Q’TY REMARKS RANK 89430410 PRINTER MECHANISM DP681 89164020 PRINT HEAD DP680 86822170 MAIN LOGIC BD UNIT PBA-10 DS 86822171 MAIN LOGIC BD UNIT PBA-10 DS 86823200 POWER SUPPLY UNIT PBA-10 DS 89597120 PARALLEL INTERFACE IP-NPC OPTION...

  • Page 38: Printer Mechanism

    Printer Mechanism 2-1. Disassembly Drawing – 34 –...

  • Page 39: Parts List

    2-2. Parts List Printer Mechanism DRWG.NO. REV. PARTS NO. PARTS NAME Q’TY REMARKS RANK 86430580 CR MOTOR ASSY 86432050 CARRIAGE UNIT 86432060 RIBBON GEAR HOLDER UNIT 86437040 TENSION LEVER UNIT 86430200 ROLLER GUIDE SHAFT C UNIT 681 86436380 ROLLER GUIDE SHAFT A ASSY 681 86436350 PF ROLLER A ASSY 86436360 PF ROLLER B ASSY 86436400 SHUTTER ASSY...

  • Page 40: Frame L Unit

    Frame L Unit 3-1. Disassembly Drawing DETAIL – 36 –...

  • Page 41: Parts List

    3-2. Parts List Frame L Unit DRWG.NO. REV. PARTS NO. PARTS NAME Q’TY REMARKS RANK 86430560 GAP MOTOR ASSY 86430710 SHUTTER MOTOR ASSY FRAME L ASSY 83905150 DETECTOR HOLDER B 86430170 DETECTOR UNIT 86430720 LINK PLATE A ASSY 82091710 SHUTTER MOTOR HOLDER 80100080 GAP ADJUST GEAR C 80210550 ADJUSTER BUSHING 80210540 CARRIAGE STAY BUSHING...

  • Page 42: Frame R Unit

    Frame R Unit 4-1. Disassembly Drawing 10 3 – 38 –...

  • Page 43: Parts List

    4-2. Parts List Frame R Unit DRWG.NO. REV. PARTS NO. PARTS NAME Q’TY REMARKS RANK FRAME R ASSY 86430760 PAPER FEED GEAR A ASSY 83102040 PAPER FEED IDLER GEAR A 83102050 PAPER FEED IDLER GEAR B 83102031 PAPER FEED GEAR A 80210550 ADJUSTER BUSHING 80210540 CARRIAGE STAY BUSHING 82011791 REAR ANGLE...

  • Page 44: Sub - Assembly

    Sub - Assembly 5-1. Lower Case Unit DRWG.NO. REV. PARTS NO. PARTS NAME Q’TY REMARKS RANK 83026560 LOWER CASE PBA-10 LOWER CASE CHASSIS PBA-10 GROUND SPRING PBA-10 83026620 INTERFACE COVER PBA-10 80290020 LOCATING BUSHING 80994580 RUBBER FOOT 15X15 QBS-10 02010401 HEXAGON NUT NH4-1 01903083 SCREW TAT 3-16 PT 00930803 SCREW TAT 3-8 PT DASCOM SEAL A...

  • Page 45: Upper Case Unit

    5-2. Upper Case Unit DRWG.NO. REV. PARTS NO. PARTS NAME Q’TY REMARKS RANK 83026550 UPPER CASE PBA-10 SHEET 74X47X10 86820730 REAR GUIDE ASSY PBA-10 DS 83026580 GUIDE HOLDER PBA-10 83026590 PAPER GUIDE PBA-10 CASE SUPPORTER PBA-10 80088310 OPERATION SHEET PBA-10 DS 01903038 SCREW TAT 3-10 PT-FL 00930803 SCREW TAT 3-8 PT 80995150 RUBBER CUSHION A...

  • Page 46: Carriage Unit

    5-3. Carriage Unit 2-11 2-23 2-26 2-17 2-10 2-27 2-17 2-24 2-18 2-12 2-16 2-15 2-19 2-25 2-13 2-22 2-21 2-14 2-20 – 42 –...
  • Page 47 DRWG.NO. REV. PARTS NO. PARTS NAME Q’TY REMARKS RANK 84900142 CARRIAGE 86432431 CONNECTOR BOARD ASSY 86432481 DETECTOR CABLE ASSY 86432482 DETECTOR CABLE ASSY 86432401 PAPER GAP DETECTOR ASSY 83912530 CABLE GUIDE 84040010 CARD HOLDER 83904951 ROLLER HOLDER B 83905160 ROLLER HOLDER A 83201150 ROLLER 2-10 81303571 ROLLER SHAFT B...

  • Page 48: Wiring Scheme Of Printer

    Wiring Scheme of Printer – 44 –...

  • Page 49: Main Logic Board

    Main Logic Board 7-1. Circuit Diagram – 45 –...
  • Page 50 – 46 –...
  • Page 51 – 47 –...

  • Page 52: Conponent Layout

    7-2. Conponent Layout – 48 –...

  • Page 53: Parts List

    7-3. Parts List Main Logic Board DRWG.NO. REV. PARTS NO. PARTS NAME Q’TY REMARKS RANK CERA. CAPA. 2200PF 400V CERA. CAPA. 0.022UF 50V C3-4 CHEM. CAPA. 0.1UF CERA. CAPA. 470PF CHEM. CAPA. 0.1UF CAPACITOR 0.01UF 25V CERA. CAPA. 470PF CERA. CAPA. 0.022UF 50V CAPACITOR 0.01UF 25V CERA.
  • Page 54 Main Logic Board DRWG.NO. REV. PARTS NO. PARTS NAME Q’TY REMARKS RANK NOT MOUNTED 09100602 CONNECTOR DT11321-R5T 09100622 CONNECTOR 51016-1100 09100470 CONNECTOR HLEM20S-2 09100694 CONNECTOR 52045-0745 09100268 CONNECTOR 5483-05A 09100612 CONNECTOR 52147-0510 09100696 CONNECTOR 53253-0612-RED 09100267 CONNECTOR 5483-06A NOT MOUNTED CN10 09100621 CONNECTOR 53253-1210 CN11...
  • Page 55 Main Logic Board DRWG.NO. REV. PARTS NO. PARTS NAME Q’TY REMARKS RANK RD RESISTOR 220 OHM 1/6W RD RESISTOR 100 OHM 1/6W RD RESISTOR 4.7 K-OHM 1/6W R16-17 RD RESISTOR 10 K-OHM 1/6W RD RESISTOR 3.3 K-OHM 1/6W RD RESISTOR 10 K-OHM 1/6W RD RESISTOR 4.7 K-OHM 1/6W RD RESISTOR 2.2 K-OHM 1/6W RD RESISTOR 4.7 K-OHM 1/6W...
  • Page 56 Main Logic Board DRWG.NO. REV. PARTS NO. PARTS NAME Q’TY REMARKS RANK R102 RD RESISTOR 4.7 K-OHM 1/6W R103-104 RD RESISTOR 100 OHM 1/6W R105 RD RESISTOR 2.2 K-OHM 1/2W R106 RD RESISTOR 1 K-OHM 1/6W R107 RD RESISTOR 4.7 K-OHM 1/6W R108-109 NOT MOUNTED R110...

  • Page 57: Control Panel Board

    Control Panel Board 8-1. Circuit Diagram 8-2. Component Layout 8-3. Parts List DRWG.NO. REV. PARTS NO. PARTS NAME Q’TY REMARKS RANK LED1-2 08300168 LED GL3EG8 LED3 NOT MOUNTED LED4-6,P 08300168 LED GL3EG8 SW1-4 09010041 PUSH SWITCH SKHHAL 09010061 PUSH SWITCH EVQ PAE 04M J1-5 93930006 JUMPER WIRE STP122 –...

  • Page 58: Power Supply Unit

    Power Supply Unit 9-1. Circuit Diagram – 54 –...

  • Page 59: Component Layout

    9-2. Component Layout – 55 –...

  • Page 60: Parts List

    9-3. Parts List Power Supply Unit DRWG.NO. REV. PARTS NO. PARTS NAME Q’TY REMARKS RANK BEADS INDUCTOR RH035047AT-Y7 B2-3 BEADS INDUCTOR RH035047RT-Y7 BEADS INDUCTOR RH035047AT-Y7 FILM CAPA. 0.22UF 250V C2-3 NOT MOUNTED C4-5 CERA. CAPA. 2200PF 400V FILM CAPA. 0.1UF 275V CERA.
  • Page 61 Power Supply Unit DRWG.NO. REV. PARTS NO. PARTS NAME Q’TY REMARKS RANK CEMENT RESISTOR 1.5 K-OHM 3W RD RESISTOR 3.3 K-OHM 1/6W RD RESISTOR 10 K-OHM 1/6W RN RESISTOR 1.2 K-OHM 1/6W RN RESISTOR 5.1 K-OHM 1/6W RN RESISTOR 1.5 K-OHM 1/6W 1% RN RESISTOR 22 OHM 2W CONVERTER TRANSFORMER...

  • Page 62: Serial Interface Board Is-Np192 (Option)

    10. Serial Interface Board IS-NP192 (Option) 10-1. Circuit Diagram 10-2. Component Layout 10-3. Parts List DRWG.NO. REV. PARTS NO. PARTS NAME Q’TY REMARKS RANK 08200164 IC-I/F SP232ACP C1-4 CHEM. CAPA. 0.1UF CERA. CAPA. 0.01UF 250V C6-7 CERA. CAPA. 0.022UF 50V RD RESISTOR 3.3 K-OHM 1/6W J1-3 93930006 JUMPER WIRE STP122...

  • Page 63: Parallel Interface Board Ip-Npc (Option)

    11. Parallel Interface Board IP-NPC (Option) 11-1. Circuit Diagram 11-2. Component Layout 11-3. Parts List DRWG.NO. REV. PARTS NO. PARTS NAME Q’TY REMARKS RANK 08210006 TTL IC 7406 C1-3 CERA. CAPA. 0.022UF 50V CERA. CAPA. 0.01UF 250V R1-6 RD RESISTOR 1.8 K-OHM 1/6W 09990736 BEADS INDUCTOR RH035047RT-Y7 J1-18 93930006 JUMPER WIRE STP122...
  • Page 64 STAR MICRONICS ASIA LTD. 18/F., Tower II, Enterprise Square 9 Sheung Yuet Road, Kowloon Bay Hong Kong Tel: 2796-2727 Telefax: 2799-9344 Distributed by Printed in Japan, PBA-10DS...

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