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Citizen PPU 700 Service Manual

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Service Manual

PRINTER PRESENTER UNIT
PPU-700
MODEL
Rev. 1.00T Newly issued on Jan.15 2007

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Summary of Contents for Citizen PPU 700

  • Page 1: Service Manual

    Service Manual PRINTER PRESENTER UNIT PPU-700 MODEL Rev. 1.00T Newly issued on Jan.15 2007...
  • Page 2 CITIZEN is a registered trade mark of CITIZEN WATCH CO., LTD., Japan CITIZEN es una marca registrada de CITIZEN WATCH CO., LTD., Japón...
  • Page 3 PPU-700 Service Manual REVISION Rev. Date Comment 1.00 2004/06/09 Newly issued 1.00T 2007/01/15 Changed the company logo mark in the cover page.

  • Page 4: Table Of Contents

    PPU-700 Service Manual CONTENTS INTRODUCTION ............................1 1. FEATURES ............................1 2. SPECIFICATIONS ..........................2 3. DISASSEMBLY AND REASSEMBLY ....................3 3.1 Tools Used ............................3 3.2 Disassembly Procedure ........................4 3.2.1 Disassembly of Unit ........................4 3.2.2 Disassembly of Feeder Unit ......................7 3.2.3 Disassembly of Moving Unit ......................

  • Page 5: Introduction

    PPU-700 Service Manual INTRODUCTION This manual describes the disassembly, reassembly, and maintenance procedures of the line thermal printer PPU-700. 1. FEATURES • Paper side-insert mechanism facilitating paper insertion and maintenance. • Paper width can be chosen among 58, 67, 80, and 82.5 mm. •...

  • Page 6: Specifications

    PPU-700 Service Manual 2. SPECIFICATIONS PPU-700-RK PPU-700-RU Model PPU-700-PK PPU-700-PU Item PPU-700-UK PPU-700-UU Printing method Line thermal dot print method Print width 80 mm/640 dots Dot density 8 × 8 dots/mm (203 dpi) Print speed 150 mm/s (Fastest, print density level 2), (1200 dot lines/sec) Number of print Font A: 48 columns, 12 ×...

  • Page 7: Disassembly And Reassembly

    PPU-700 Service Manual 3. 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. • Do not loosen the screws fixing each component carelessly. •...

  • Page 8: Disassembly Procedure

    PPU-700 Service Manual 3.2 Disassembly Procedure 3.2.1 Disassembly of Unit (1) Removing Control Box • Remove the three M3×6 (ST) screws and remove the Control Box Cover. M3×6 [ST] Control Box Cover • Remove the two M3×6 (ST) screws and remove Interconnection Cable the I/F Board.
  • Page 9 PPU-700 Service Manual (2) Removing Interconnection Board M2×3 [ST] • Remove the two M2×3 [ST] screws, pull the Interconnection Board up, and then disconnect the connector. Interconnection Board (3) Removing Feeder Unit • Remove the two M3×6 [ST] screws and remove the Feeder Unit.
  • Page 10 PPU-700 Service Manual (4) Removing Auto Cutter • Remove the Auto Cutter fixed at the convexed portion at both sides. Auto Cutter (5) Removing Moving Unit E-2.5 • Remove the E ring [E-2.5]. • Pull the Shaft out and remove the Moving Unit. Shaft Moving Unit...

  • Page 11: Disassembly Of Feeder Unit

    PPU-700 Service Manual 3.2.2 Disassembly of Feeder Unit (1) Removing the P-Bracket M2.6×8 [BT] • Remove the M3×6 [BT] screw. • Remove the P-Bracket. (2) Removing the Upper Cover • Remove the four M2.6×8 [BT] screws. (3) Removing the Anti-static Brush •...
  • Page 12 PPU-700 Service Manual (5) Disassembling the Drive Unit • Remove the Hook of the Feed Roller and remove the Feed Roller Gear and Bushing. Hook Feed Roller Bushing Feed Roller Gear (6) Removing Clutch Assy. and DC Motor • Remove the E ring (E-2.5) and then remove the Motor Gear Clutch Assy.

  • Page 13: Disassembly Of Moving Unit

    PPU-700 Service Manual 3.2.3 Disassembly of Moving Unit (1) Removing the Platen Roller • Remove E-ring (E-4). • Remove the Platen Gear. • Remove the two M3×6 [BT] and two M3×6 [ST] screws and then remove the Side Chassis. E-ring (E-4) Platen Gear M3×6 [ST] Side Chassis...
  • Page 14 PPU-700 Service Manual (3) Disassembling Center Guide • Remove the Slider and Roller-SP and then remove the Feed Roller. Feed Roller Slider Center Guide Roller-SP (4) Disassembling Platen BK M2×6 [BT] • Remove the M2×6 [BT] screw. Paper Guide F. Blade-31 Platen BK...

  • Page 15: Disassembly Of Mechanism

    PPU-700 Service Manual 3.2.4 Disassembly of Mechanism (1) Removing Knob and Hook-R • Release the hook of the Knob using a flat-head screwdriver. Hook-R • Remove Knob, Hook-R, and EXT-SPRING-02. Knob EXT-SPRING-02 (2) Remove the Upper Guide. Upper Guide (3) Removing SW_Cable_Assy •...
  • Page 16 PPU-700 Service Manual (4) Removing Thermal Head Assy, Head SP, and SP-Holder Thermal Head Assy Head SP SP-Holder (5) Disassembling Thermal Head Assy M3×4 • Remove the M3×4 screw. • Remove the FFC. Head Holder Thermal Head (6) Disassembling Stepping Motor M3×6 [ST] •...

  • Page 17: Reassembly Procedure

    PPU-700 Service Manual 3.3 Reassembly Procedure Reverse the procedure in “3.2 Disassembly Procedure”. 3.4 Lubrication (1) Oil (Grease) Furoyll G-943 (Kanto Kasei Co., Ltd.) (2) Lubrication points Gear holder shaft Platen roller shaft Feeder shaft and clutch Moving unit roller shaft...

  • Page 18: Troubleshooting

    PPU-700 Service Manual 4. TROUBLESHOOTING 4.1 Troubleshooting Procedure When a trouble occurs, confirm its phenomenon, locate a defective part in accordance with “4.2 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.
  • Page 19 PPU-700 Service Manual • Printing failure Phenomenon Cause Check Method Remedy No printing Faulty power supply Check whether the Use the specified AC specified AC adapter is adapter. used. Faulty control PCB assy — Replace the control PCB assy. Faulty connection of the Check connection of the Connect the thermal head thermal head connector...
  • Page 20 PPU-700 Service Manual • Paper feed failure Phenomenon Cause Check Method Remedy Paper is not fed or Faulty connection of the Check the connecting Connect the connector irregularly fed. motor connector condition of the motor correctly. connector. Defective motor Check the DC voltage If the supply voltage is with a DC voltmeter.
  • Page 21 PPU-700 Service Manual • Faulty ejection of paper Phenomenon Cause Check Method Remedy Paper is not ejected. Faulty paper path Check whether paper Eliminate unnecessary remainder is present in the paper. paper path. Scratch in paper path Check the paper path for Replace the paper guide.
  • Page 22 PPU-700 Service Manual • Faulty sensor Phenomenon Cause Check Method Remedy Does not detect presence Faulty paper sensor Check whether the Replace the sensor PCB of paper. ERROR lamp flickers assy. when paper is out. Does not detect paper Faulty paper near-end Remove the paper near-end status.

  • Page 23: Service Parts List

    PPU-700 Service Manual 5. SERVICE PARTS LIST 5.1 Parts List for Mechanism For parts used for maintenance, refer to the attached service parts list. Q’ty Ref. Parts No. Description Remarks 500327-00 Main Chassis Stepping Motor SP-42RD-020S Thermal Head KF2003-GF48B ACS-531F 800475-00 Sheet 500335-00...
  • Page 24 PPU-700 Service Manual Q’ty Ref. Parts No. Description Remarks 600393-00 Center Guide 600394-00 Feed Roller 600395-00 Slider 500337-00 Center Chassis 800458-00 Platen 600396-00 Guide-L 600397-00 Guide-R 600398-00 Paper Guide 600399-00 Platen-BK 600376-00 Platen Gear 500338-00 Side Chassis 500318-00 F. Blade-31 650001-00 Platen Bushing 800417-00...
  • Page 25 PPU-700 Service Manual Q’ty Ref. Parts No. Description Remarks 600400-00 Upper Case 500339-00 Side Plate 600401-00 Lower Case 500340-00 Plate 800417-00 O-Ring 60-0239 Slip Gear 60-0238 Drive Gear 60-0237 Feed Roller Gear 60-0236 Feed Roller Motor_Assy 55-0029 Gear Shaft 60-0240 Bushing 700022-00 Clutch Spring...
  • Page 26 PPU-700 Service Manual Q’ty Ref. Parts No. Description Remarks 500328-00 Rear Plate 500329-00 Bottom Chassis 500331-00 Guide 550044-00 Shaft 60-0281 Brake Screw, PHT (BT), M3×6 Screw, PHT, (ST), M2×3 E-ring E-3...
  • Page 27 PPU-700 Service Manual Q’ty Ref. Parts No. Description Remarks 500341-00 Control Box Cover 500342-00 Control Box 800481-00 Insulator 104-1 Control PCB Assy JPN –1 For 100V model 104-2 Control PCB Assy USA/EUR For 230V model 105-1 IF PBC Assy (Serial) mm Metric screw 105-2 IF PBC Assy (Serial) inch...

  • Page 28: Exploded View Of Mechanism

    PPU-700 Service Manual 5.2 Exploded View of Mechanism...
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  • Page 33: Main Board

    PPU-700 Service Manual 5.3 Main Board...

  • Page 34: Circuit Diagram

    PPU-700 Service Manual 6. CIRCUIT DIAGRAM 6.1 Main Board...

  • Page 35: Interconnecting Board

    PPU-700 Service Manual 6.2 Interconnecting Board...

  • Page 36: Serial Interface

    PPU-700 Service Manual 6.3 Serial Interface LA1A LA1B LA1C LA1D IC 1 R1IN R1OUT LA2A R2IN R2OUT VC C T1IN T1OUT LA2B T2IN T2OUT LA2C VC C SP232ECN 16V100u LA2D 70013-025-03(04) R1IN R1OUT R2IN R2OUT T1IN T1OUT T2IN T2OUT D S 1 KSD08H SP232ECN R1 47K...

  • Page 37: Parallel Interface

    PPU-700 Service Manual 6.4 Parallel Interface IC3A RA6D RA3 3.3K 74LV74A VCC 14 GND 7 VCC 20 74HCT573 100K GND 10 IC5E IC5D RA7 33 10 0 74LV14A VCC 14 GND 7 VC C RA8 33 74HCT573 IC3B VCC 20 57RE-40360-730B 3.3K GND 10...

  • Page 38: External View

    PPU-700 Service Manual 7. EXTERNAL VIEW Note 1) Paper Collection Slot Note 2) 40.5 min. 40.5 min. Printer Setting Position Printer Hole Dimensions Paper Insertion Path Range Notes: 1) Fix at 2 places or more in one side totaling 4 places or more. 2) When collecting paper, be sure to prepare a paper collection hole.

This manual is also suitable for:

Ppu-700-rkPpu-700-pkPpu-700-ukPpu-700-ruPpu-700-puPpu-700-uu

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