Epson 2170 - Manual

Epson 2170

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Table of Contents:

  • Page 2 – NOTICE
  • Page 4 – PREFACE; The contents of this manual are subject to change without notice.
  • Page 5 – REVISION SHEET; Revision; st issued
  • Page 6 – TABLE OF CONTENTS
  • Page 7 – Table of Contents; Hardware Specifications
  • Page 8 – List of Figures
  • Page 9 – List of Tables
  • Page 10 – Product Description
  • Page 12 – Items included in the printer carton; Table 1-1 Items Included with the Printer; Consumables; Table 1-2 Consumables; Options; Table 1-3 Optional Units
  • Page 13 – Hardware Specifications; Print direction; Figure 1-2 Pin Configuration
  • Page 14 – Print speed and printable columns; Table 1-4 Print Speed and Printable Columns; Resolution; Table 1-5 Print Resolution; Acoustic noise
  • Page 15 – Table 1-6 Paper Path and Paper Types
  • Page 16 – Table 1-7 Paper Thickness Lever Positions; Lever Position
  • Page 17 – Cut Sheets; Front Entry
  • Page 18 – Table 1-10 Printable Area for Cut Sheets; Abbreviations; BM; P r in tab le a r ea; Figure 1-3 Printable Area for Cut Sheets
  • Page 19 – Envelopes and Card Stock; Paper/media specifications; Table 1-11 Specifications for Envelopes; Insert envelopes from the rear entrance only.; Table 1-12 Specifications for Card Stock
  • Page 20 – Table 1-13 Printable Area for Envelopes and Card Stock; Printable area; Pr int a ble a r ea; PW; Figure 1-4 Printable Area for Envelopes and Card Stock
  • Page 21 – Continuous Paper
  • Page 22 – Table 1- 15 Printable Area for Continuous Paper; Figure 1-5 Printable Area for Continuous Paper
  • Page 23 – Continuous Paper with Labels; Table 1-16 Specifications for Continuous Paper with Labels; The base sheet for the labels must be continuous paper.; Figure 1-6 Label Size
  • Page 24 – Roll Paper; Table 1-17 Specifications for Roll Paper; Table 1-18 Printable Area for Roll Paper; Figure 1-7 Printable Area for Roll Paper
  • Page 26 – Table 1-22 Environmental Requirements; Table 1-23 gives maximum life and usage specifications.; Table 1-23 Reliability Statistics; Item; Table 1-24 Safety Information for Printer Models
  • Page 27 – The following table lists CE marking information.; Table 1-25 CE Marking; Table 1-26 provides printer dimensions and weight.; Table 1-26 Physical Specifications; Hopper capacity; Table 1-27 Hopper Capacity; CSF Bin 1
  • Page 28 – Stacker capacity; Table 1-28 Capacity of the Stacker; Reliability; cycles; Environmental conditions; Table 1-29 Environmental Conditions; Operating
  • Page 29 – Firmware Specifications; Typefaces; Table 1-30 Character Tables; Version
  • Page 30 – Table 1-31 Pin Assignments for Forward Channel
  • Page 31 – Table 1-32 Maximum and Minimum Timings for Data Transmission; The BUSY signal is active (HIGH level) under the conditions below:; Figure 1-8 Data Transmission Timing
  • Page 32 – Table 1-33 Pin Assignments for Reverse Channel; Signal
  • Page 34 – Printer status; Table 1-34 Paper Handling Sequence 1; Table 1-35 Paper Handling Sequence 2; Occurrence
  • Page 35 – Table 1-36 Paper Handling Sequence 3; Table 1-37 Paper Handling Sequence 4
  • Page 36 – Table 1-38 Paper Handling Sequence 5; Table 1-39 Paper Handling Sequence 6; Trigger
  • Page 37 – Table 1-40 PW Sensor Operation; Paper Path
  • Page 38 – Operating Instructions; Operation in normal mode; Table 1-41 Operation in Normal Mode; Buttons and; Operation; Figure 1-9 Control Panel
  • Page 39 – Operations at power on; Table 1-42 Operation at Power On; Table 1-43 Operation at Default Setting Mode; Pitch; Status Codes Indicated by the LEDs and Beeper; indicates the beeper sounds for 500 ms with an interval of 100 ms.
  • Page 40 – Tear Off / Bin button is; Auto tear off has been set to OFF in default setting mode.; LF /FF button feeds the paper back to the TOF position for the next
  • Page 41 – Figure 1-11 Hexadecimal Printout
  • Page 42 – Table 1-45 EEPROM Initialization Settings; Setting
  • Page 44 – Figure 1-12 Main Components
  • Page 46 – Figure 1-16 Printer Mechanism
  • Page 47 – Figure 1-17 Housing Assembly
  • Page 48 – PRINTER MECHANISM OPERATION
  • Page 50 – PRINTER MECHANISM OPERATION; on the printhead in 2 columns.; P l a t e n; Operating Principles
  • Page 51 – Table 2-1. CR Motor Assembly Specifications; Category; Type; Figure 2-2 Carriage Movement Mechanism
  • Page 52 – between the platen gap and the print speed.; Figure 2-3 Platen Gap Adjustment Lever
  • Page 53 – Figure 2-4 Release Switch
  • Page 54 – Friction Advance Method; Figure 2-5 Friction Advance Operation Using the Top Entrance
  • Page 55 – Push Tractor Method; The push tractor method is used with the rear or front entrance.; Figure 2-6 Push Tractor Operation Using the Rear Paper Entrance
  • Page 56 – Figure 2-7. Push Tractor Operation Using the Front Paper Entrance
  • Page 57 – Pull Tractor Method; Figure 2-8 Pull Tractor Operation Using the Bottom Paper Entrance
  • Page 60 – Figure 2-11. Paper Paths and PE Sensor Locations; Up
  • Page 61 – Down
  • Page 62 – Figure 2-15. Push-Pull Tractor Feeding Using the Rear Entrance
  • Page 65 – Belt driven pulley; Figure 2-21 Ribbon Advance Mechanism
  • Page 66 – POWER SUPPLY OPERATION; Board; Table 2-6 Power Supply Output Voltages and Applications; Applications; Figure 2-22 shows a block diagram of the power supply circuitry.; Figure 2- 22 Power Supply Circuit Block Diagram
  • Page 67 – Power Switch Circuit; This circuit is shown below.; Figure 2-23 Power Switch Circuit; GND; Figure 2-24 Over Voltage Protection Circuit
  • Page 68 – +35 V Constant Voltage Control Circuit; The +35 V constant voltage control circuit is illustrated below.; Figure 2-25 +35 V Line Constant Voltage Control Circuit; Figure 2-26 +35 V Line Overload Detection Circuit
  • Page 69 – +35 V Line Over Current Protection Circuit; The +35 V line over current control circuit is illustrated below.; +5 V Line Over Current Protect Circuit; +5 V line over current control circuit is shown below.; Figure 2-27 +35 V Line Over Current Protection Circuit; Figure 2-28 +5 V Line Over Current Protection Circuit
  • Page 70 – +5 V Line Constant Voltage Control Circuit; The +5 V line constant voltage control circuit is shown below.; Figure 2-29 +5 V Line Constant Voltage Control Circuit
  • Page 71 – Overview of Control Circuit Operation; Figure 2-30 Control Circuit Block Diagram
  • Page 72 – Table 2-7 Functions of the Main Board; IC; Figure 2-31 Data Flow
  • Page 73 – Figure 2-34 Printhead Driver Circuit; Figure 2-32 Reset Circuit; Figure 2-33 Reset Signal Output Timing
  • Page 74 – The CR motor driver circuit is shown below.; Table 2-8 CR Motor Driver Modes; Super Draft; Figure 2-35 CR Driver Circuit
  • Page 75 – The figure below shows the PF motor driver circuit.; Figure 2-36 PF Motor Driver Circuit; CPU; Figure 2-37 EEPROM Control Circuit
  • Page 76 – Figure 2-38 Sensor Circuits
  • Page 77 – PRINTER DISASSEMBLY AND ASSEMBLY
  • Page 80 – Follow the precautions below for disassembly or assembly.; WARNING; To maintain efficient printer operation:; Tool; All tools are commercially available.; Table 3-2. Equipment Required for Maintenance; Description; Specification; Multimeter; Disassembly and Assembly
  • Page 81 – Table 3-3. Inspection Check List for the Repaired Printer; Component; Adjustment
  • Page 82 – Top; Pan; Body; Figure 3-1 Screw Types and Abbreviations
  • Page 83 – CAUTION; Figure 3-2 Flowchart for Disassembling the Printer
  • Page 84 – Note
  • Page 85 – Remove the panel board assembly from the upper housing assembly.; Assembly Notes; Figure 3-4 Removing the Panel Board Assembly; Lock Cover for CN 1; Figure 3-5 Lock Cover for CN1 and the FFC
  • Page 86 – The tightening torque for the 2 CBS screws (3
  • Page 87 – Disconnect the connector cable for the HP sensor.; Assembly Note; Figure 3-8 Removing the HP Sensor; Figure 3-9 Removing the PW Sensor Assembly
  • Page 88 – Mount the; photo sensor to the bottom line of the groove.; Bold Perforated line is the Groove.; Figure 3-10 Mounting Position for the PW Sensor Assembly
  • Page 89 – Adjust the platen gap. Refer to Chapter 4.; Figure 3-12 Removing the Platen Assembly
  • Page 90 – Removing the Upper Housing Assembly; Remove 4 CBB screws (4; The tightening torque for the CBB (4; Figure 3-14 Removing the Upper Housing Assembly
  • Page 91 – Removing the Case Open Sensor Assembly; Disconnect the cable for CN11 from the C166 MAIN board assembly.; The tightening torque for the 2 CR mounting screws =; Figure 3-15 Removing the Case Open Sensor Assembly; Figure 3-16 Removing the CR Motor Assembly
  • Page 92 – Remove the printer mechanism.; The tightening torque for the printer mechanism mounting screw=; Figure 3-17 Removing the Printer Mechanism
  • Page 93 – The tightening torque for the CB and CBS screws (3; Figure 3-18 Removing the PF Motor
  • Page 94 – Figure 3-20 Mounting the Cables for the PG Sensor Assembly
  • Page 95 – Remove 1 CBS screw (3; Figure 3-21 Removing the Right Frame Assembly; Figure 3-22 Removing the Right Sub Frame
  • Page 96 – Adjust the bidirectional print alignment. Refer to Chapter 4.; Figure 3-23 Engaging Gears 1
  • Page 97 – The tightening torque for the CBS screws (3; Figure 3-24 Engaging Gears 2; Figure 3-25 Engaging the Tractor Clutch Cam
  • Page 98 – The tightening torque for the CBS screw (3; Figure 3-26 Removing the Left Frame Assembly; Figure 3-27 Cable Connections for the Release Lever Sensors
  • Page 99 – Figure 3-28 Removing the RD Assembly
  • Page 100 – Figure 3-31 Removing the CR Assembly; Figure 3-30 Disconnecting the FFCs
  • Page 101 – Timing Belt; Figure 3-32 Inserting the Timing Belt; Figure 3-33 Installing the Oil Pad in the CR Assembly; Figure 3-34 Assembling the Rear CR Guide Shaft
  • Page 102 – Remove the rear PE sensor after disconnecting the connector.; Figure 3-35 Removing the Rear PE Sensor Assembly; Figure 3-36 Removing the Front PE Sensor Assembly
  • Page 103 – Figure 3-37 Removing the C166 MAIN Baord Assembly
  • Page 104 – The tightening torque for the CBB screw (3; Figure 3-38 Removing the C166 PSB/E Board Assembly
  • Page 105 – Disassembly and Assembly of CSF Bin 1; Remove the 3 CPB tight (3; Figure 3-40 Releasing the Clips for the CSF Gear Cover
  • Page 106 – Figure 3-41 Cable Alignment
  • Page 107 – Disassembling Paper Support Block Assembly
  • Page 108 – Figure 3-46 Removing the Paper Support Block Assembly; Figure 3-47 Removing the Paper Loading Roller Cover Assembly
  • Page 109 – Removing the Paper Eject Assembly Cover; Figure 3-48 Removing the Paper Eject Assembly Cover; Figure 3-49 Assembling the Paper Eject Assembly Cover
  • Page 110 – Disassembly and Assembly of CSF Bin 2; Remove the following 5 gears and 1 spring from the right CSF frame.; Figure 3-50 Removing the Gear Train Cover; Figure 3-51 Engaging 5 Gears
  • Page 111 – Disassembling the Paper Support Block Assembly; Remove both paper feed rollers from the paper support assemblies.; Figure 3-52 Removing 1 E-ring and 2 CTBS Screws; Figure 3-53 Removing the CSF Roller Cover
  • Page 112 – ADJUSTMENT OVERVIEW
  • Page 113 – ADJUSTMENT OVERVIEW; Table 4-1 Required Adjustments; means adjustment is required.; The following table shows the tools required for each adjustment.; Table 4-2 Required Adjustment Tools; the printer to the destination factory settings.
  • Page 114 – ADJUSTING AND RESETTING THE PRINTER; Move the printhead to 5th column position.; Figure 4-2 Setting the PG Adjust Lever; Figure 4-1 Removing the Ribbon Mask
  • Page 116 – Bidirectional Print Alignment Adjustment; GWBASIC; Figure 4-5 Machine Select Menu
  • Page 117 – Mode 0 VR0 = 0
  • Page 118 – Figure 4-10 Guide Sheet for Bi-d Adjustment
  • Page 119 – Figure 4-11 Machine Select Menu
  • Page 121 – TROUBLESHOOTING INFORMATION; Troubleshooting
  • Page 122 – -1. Printhead Coil Resistance Test Points; Test; Test Method; the printhead after the printer is; Figure 5-1 Printhead Connector Pin Alignment
  • Page 123 – Table 5-2 Sensor Test Points; Test Pin; Meter Reading
  • Page 124 – Table 5-3 Motor Test Points; Error Codes with Indicators and Buzzer; Table 5-4 Indicators and Buzzer
  • Page 125 – UNIT LEVEL TROUBLESHOOTING; Table 5-5. Symptoms and Problem Descriptions; Symptom; Paper does not feed at all.; Flowchart 3
  • Page 126 – Abnormal CR Operation; Figure 5-2 Flowchart 1
  • Page 127 – Abnormal Paper Feed Operation 1; Figure 5-3 Flowchart 2
  • Page 129 – Abnormal Control Panel Operation; Figure 5-5 Flowchart 3
  • Page 130 – Figure 5-6 Flowchart 4
  • Page 131 – REPAIRING C166 PSB/PSE BOARD ASSEMBLY; The; OPERATE; Problem; Cause; The diode bridge DB1
  • Page 132 – Check the voltage at pin 12 of IC51.
  • Page 133 – REPAIRING THE C166 MAIN BOARD ASSEMBLY; Table 5-7. Repairing the C166 MAIN Board Assembly; Reset IC10 is defective.
  • Page 135 – Checkpoint; Solution
  • Page 136 – REPAIRING THE PRINTER MECHANISM; Table 5-8. Repairing the Printer Mechanism; When the printer is
  • Page 138 – The PF motor does
  • Page 139 – is loaded
  • Page 141 – PREVENTIVE MAINTENANCE
  • Page 143 – PREVENTIVE MAINTENANCE; Do; APPLYING LUBRICATION; Lubrication must be applied during the reassembly process.; For lublication points, refer to the figure on the next page.; Maintenance
  • Page 146 – Appendix; A.3 CONNECTOR SUMMARY
  • Page 147 – A.1 EXPANDED PRODUCTION COMMANDS; Write Bidirectional Adjustment Data to EEPROM
  • Page 148 – A.2 EEPROM ADDRESS MAP; Address; Reserved
  • Page 151 – A.3 CONNECTOR SUMMARY; P r i n t e r M e c h a n i s m; B o a r d A s s y . , C 1 6 6 M A I N
  • Page 157 – Figure A-2. C166 MAIN Board Assembly Circuit Diagram
  • Page 159 – Figure A-3. C166 PSB Board Assembly Circuit Diagram
  • Page 161 – Figure A-4. C166 PSE Board Assembly Circuit Diagram
  • Page 163 – A.5 CIRCUIT BOARD COMPONENT LAYOUTS; Figure A-5. C166 MAIN Baord Assembly Component Layout
  • Page 164 – Figure A-6. C166 PSB Board Assembly Component Layout
  • Page 165 – Figure A-7 C166 PSE Board Assembly Component Layout
  • Page 166 – A.6 EXPLODED DIAGRAMS
  • Page 174 – EPSON
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EPSON TERMINAL PRINTER

FX-2170

SERVICE MANUAL

EPSON

4005662

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Summary

Page 2 - NOTICE

NOTICE • All right reserved. Reproduction of any part of this manual in any form wharsoever without SEIKO EPSON’s express written permission is forbidden. • The contents of this manual are subject to change without notice. • All efforts have been made to ensure the accuracy of the contents of this m...

Page 4 - PREFACE; The contents of this manual are subject to change without notice.

PREFACE This manual describes functions, theory of electrical and mechanical operations, maintenance, and repair ofthe FX-2170. The instructions and procedures included herein are intended for the experienced repairtechnician, and attention should be given to the precautions on the preceding page. T...

Page 5 - REVISION SHEET; Revision; st issued

REVISION SHEET Revision Issued Date Revision Page Rev. A October 13, 1995 1st issued

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