Epson 2170 - Manuals - manualsarea.com

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

Page 6 - TABLE OF CONTENTS

TABLE OF CONTENTS CHAPTER 1. GENERAL DESCRIPTION CHAPTER 2. OPERATION PRINCIPLES CHAPTER 3. DISASSEMBLY AND ASSEMBLY CHAPTER 4. ADJUSTMENTS CHAPTER 5. TROUBLESHOOTING CHAPTER 6. MAINTENANCE APPENDIX

Page 7 - Table of Contents; Hardware Specifications

CHAPTER 1 Product Description Table of Contents 1.1 Specifications 1-1 1.1.1 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-11.1.2 Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3 1.2 Har...

Page 8 - List of Figures

1.6 MAIN COMPONENTS 1-35 1.6.1 C166 MAIN Board Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-361.6.2 C166 PSB/PSE Board Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-361.6.3 C165 PNL Board Assembly . . . . . . . . . . . . . . . . . . . . . . . ...

Page 9 - List of Tables

List of Tables Table 1-1. Items Included with the Printer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3Table 1-2. Consumables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3Table 1-3. Optional Units . . . . . . . . . . . . . . . . . . . . ....

Page 10 - Product Description

1.1 Specifications These specifications provide statistical information for the the FX-2170 serial impact dot matrix printer. 1.1.1. Features The FX-2170 is a 9-pin serial impact dot-matrix printer suitable for the VAR (value added reseller) market.The major features of this printer are: Print speed...

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

1.1.2. Accessories • Items included in the printer carton Table 1-1 Items Included with the Printer Enclosed Items Quantity User’s guide 1 Driver diskette 1 Ribbon cartridge 1 Power cord 1 • Consumables Table 1-2 Consumables Consumable Item Part Number Ribbon cartridge S015085 Ribbon pack S010032 • ...

Page 13 - Hardware Specifications; Print direction; Figure 1-2 Pin Configuration

1.2 Hardware Specifications This section provides detailed hardware specifications for the FX-2170. 1.2.1 Printing Method Printing method Impact dot matrix Color Black Number of pins 18 pins Pin arrangement 9 × 2 Pin diameter 0.29 mm (0.0114 inch) ❇ The figure above shows the configuration of pins o...

Page 14 - Print speed and printable columns; Table 1-4 Print Speed and Printable Columns; Resolution; Table 1-5 Print Resolution; Acoustic noise

1.2.2 Printing Specifications Copy capability 1 original + 5 copies Print speed and printable columns Table 1-4 Print Speed and Printable Columns Print Mode Character Pitch Printable Columns Print Speed (cps) Normal Multipart High-speed draft 10 cpi 136 440 293 Draft 10 cpi 136 330 220 12 cpi 163 39...

Page 15 - Table 1-6 Paper Path and Paper Types

1.2.3 Paper Handling Specifications Feeding method Friction feed (front, rear) Push tractor feed (front, rear) Push and pull feed (front, rear, bottom) Feeder Front push tractor, rear push tractor, CSF bin 1 /bin 2 (optional) Pull tractor (optional) and roll paper holder (optional) Paper path Manual...

Page 16 - Table 1-7 Paper Thickness Lever Positions; Lever Position

Paper thickness lever Set the paper thickness lever to the appropriate position, as indicated in the following table. Table 1-7 Paper Thickness Lever Positions Lever Position Paper Thickness ( inches) Paper Thickness (mm) Minimum Maximum Minimum Maximum 0 0.0024 0.0043 0.06 0.11 1 0.0043 0.0067 0.11...

Page 17 - Cut Sheets; Front Entry

4. Push-pull tractor feed Set the release lever to the REAR PUSH/FRONT PUSH position.Load paper from the front or rear entrance. Remove the paper eject assembly and attach the pull tractor unit. Remove any slack in the paper between the platen and pull tractor. Precisely adjust the horizontal positi...

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

Printable area Figure 1-3 shows the printable area for cut sheets. The table below defines the abbreviations used in the figure. Table 1-10 Printable Area for Cut Sheets Abbreviations Single Sheet Multipart PW (width) Refer to Table 1-8. Refer to Table 1-9. PL (length) Refer to Table 1-8. Refer to T...

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

Envelopes and Card Stock Paper/media specifications The following tables gives specifications for envelopes and card stock. Table 1-11 Specifications for Envelopes Front Entry Rear Entry Minimum Maximum Minimum Maximum No. 6envelopes Width —- 166 mm (6.5") Length —- 92 mm (3.6") No. 10envelo...

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

Printable area The figure below shows the printable area for envelopes and card stock.Each abbreviation is defined in the following table. Table 1-13 Printable Area for Envelopes and Card Stock Abbreviations Envelopes Card Stock PW (width) Refer to Table 1-11. Refer to Table 1-12. PL (length) Refer ...

Page 21 - Continuous Paper

Continuous Paper Paper/media specifications The following table gives specifications continuous paper. Table 1-14 Specifications for Continuous Paper (Single Sheet and Multipart) Front Entry Rear Entry Bottom Entry Minimum Maximum Minimum Maximum Minimum Maximum Width 101 mm (4.0") 406 mm (16...

Page 22 - Table 1- 15 Printable Area for Continuous Paper; Figure 1-5 Printable Area for Continuous Paper

Printable area The figure below shows the printable area for continuous paper.Each abbreviation is defined in the following table. Table 1- 15 Printable Area for Continuous Paper Abbreviations Continuous Paper PW (width) Refer to Table 1-14. PL (length) Refer to Table 1-14. LM (left margin) 13 mm (0...

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

Continuous Paper with Labels Paper/media specifications The following table gives the specifications for continuous paper with labels. Table 1-16 Specifications for Continuous Paper with Labels Front Entry Rear Entry Bottom Entry Minimum Maximum Minimum Maximum Minimum Maximum Label size See the fig...

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

Roll Paper Note: Roll paper is not available in all models, and not available in the U.S. Paper/media specifications The following table shows specifications for roll paper. Table 1-17 Specifications for Roll Paper Front Entry Rear Entry Minimum Maximum Minimum Maximum Width —— 216 mm (8.5") Len...

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

1.2.7 Environmental Conditions Table 1-22 explains the conditions the printer requires during operation and when not operating. Table 1-22 Environmental Requirements Item Specifications Temperature 5 to 35 ° C/41 to 95 ° F ( operating ❇ 1 ) 15 to 25 ° C/59 to 77 ° F (operating ❇ 1, ❇ 2) ä30 to 60 ° ...

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

1.2.10 CE Marking The following table lists CE marking information. Table 1-25 CE Marking Low Voltage Directive 73/23 / EEC EN60950 EMC Directive 89/336 / EEC EN55022 class BEN50082-1 , IEC801-2IEC801-3 , IEC801-4 Non-Automatic Weighing Instruments Directive 90/384/EEC EN45501 1.2.11 Physical Specif...

Page 28 - Stacker capacity; Table 1-28 Capacity of the Stacker; Reliability; cycles; Environmental conditions; Table 1-29 Environmental Conditions; Operating

Stacker capacity Table 1-28 Capacity of the Stacker CSF Bin 1 CSF Bin 2 Single sheets 140 sheets ( ❇ 1) 100 sheets ( ❇ 2) ——- Envelopes 15 sheets ( ❇ 3) 28 sheets ( ❇ 4) ——- Card stock 30 sheets ( ❇ 5) ——- Multipart 36 sheets ( ❇ 6) ——- ❇ 1: Single sheets (weight: 82 g/m 2 , 22 lb), except for A3 pa...

Page 29 - Firmware Specifications; Typefaces; Table 1-30 Character Tables; Version

1.3 Firmware Specifications This section provides detailed information about FX-2170 firmware. 1.3.1 Control Codes and Fonts Control codes ESC/P and IBM 2380/2381 plus emulations. Typefaces Bitmap fonts EPSON Draft 10 cpi, 12 cpi, 15 cpi EPSON Roman 10 cpi, 12 cpi, 15 cpi, proportional EPSON Sans Se...

Page 30 - Table 1-31 Pin Assignments for Forward Channel

1.3.2 Interface Specifications This printer provides a bidirectional 8-bit parallel interface and a Type B optional interface slot, standard. 1.3.2.1 Parallel Interface (Forward Channel) Transmission mode 8-bit parallel, IEEE-P1284, compatibility mode Adaptable connector 57-30360 (Amphenol) or equiv...

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

Table 1-32 Maximum and Minimum Timings for Data Transmission Parameter Minimum Maximum setup 500 nsec ——- thold 500 nsec ——- t stb 500 nsec ——- tready 0 ——- tbusy —— 500 nsec treply —— ——- tack 500 nsec 10 µ s tnbusy 0 ——- tnext 0 ——- ttout —— 120 nsec ttin —— 200 nsec ❒ The BUSY signal is active (H...

Page 32 - Table 1-33 Pin Assignments for Reverse Channel; Signal

1.3.2.2 Parallel Interface (Reverse Channel) Transmission mode IEEE-P1284 nibble mode Adaptable connector 57-30360 (Amphenol) or equivalent Synchronization Refer to the IEEE-P1284 Specification Handshaking Refer to the IEEE-P1284 Specification Signal level TTL-compatible (IEEE-P1284 level 1 device) ...

Page 34 - Printer status; Table 1-34 Paper Handling Sequence 1; Table 1-35 Paper Handling Sequence 2; Occurrence

1.3.3 Paper Handling Sequence In this section, paper handling firmware sequences are described in several cases. • Printer status Printer is on line (not in the pause state).No PE sensor detects that paper is loaded.The release lever position is set to continuous paper. Table 1-34 Paper Handling Seq...

Page 35 - Table 1-36 Paper Handling Sequence 3; Table 1-37 Paper Handling Sequence 4

• Printer status The front PE sensor detects that paper is loaded in the front paper path.The release lever is set to continuous paper Table 1-36 Paper Handling Sequence 3 Occurrence Result PAUSE button pressed Printer goes off or on line. LF/FF button pressed Printer performs a line feed. LF/FF but...

Page 36 - Table 1-38 Paper Handling Sequence 5; Table 1-39 Paper Handling Sequence 6; Trigger

• Printer status The rear PE sensor detects that paper is loaded in the rear paper path.Release lever position is set to Friction. Table 1-38 Paper Handling Sequence 5 Occurrence Result Pause button pressed Printer goes on or off line. LF/FF button pressed Printer performs a line feed. LF/FF button ...

Page 37 - Table 1-40 PW Sensor Operation; Paper Path

1.3.4. Paper Width (PW) Sensor Operation The PW sensor is mounted on the ribbon mask holder to measure the paper width and detect the topedge of the paper. However, in cases where print data is over the paper width, the image cut functiondoes not operate in all modes. This section describes when the...

Page 38 - Operating Instructions; Operation in normal mode; Table 1-41 Operation in Normal Mode; Buttons and; Operation; Figure 1-9 Control Panel

1.4 Operating Instructions This section provides detailed information about the FX-2170 control panel buttons and LEDs. 1.4.1 Control Panel Operations The printer control panel contains 6 non-lock type pushbuttons and 9 LEDs for various printer functions. Theexterior view of the control panel is sho...

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.

Operations at power on Turning the printer on while pressing panel buttons executes the functions below: Table 1-42 Operation at Power On Button Function Load / Eject LQ self-test LF / FF Draft self-test Load / Eject and LF / FF Hexadecimal data dump Pitch Default setting Font and Tear Off / Bin Cle...

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

1.4.3 Micro Adjust Function The micro adjust function lets you set the TOF and tear off positions. After the printer is put in thismode, you can adjust the top of form (TOF) position up or down in increments of 1 ⁄ 216 inch by pressing the LF/FF or Load/Eject button. The adjusted TOF position is sav...

Page 41 - Figure 1-11 Hexadecimal Printout

1.4.5 Self-test Function Pressing the Load / Eject button while turning on the printer puts the printer in LQ self-test mode. Pressing the LF/FF button while turning on the printer puts the printer in Draft self-test mode. You can stop the self-test temporarily by pressing the Pause button, and you ...

Page 42 - Table 1-45 EEPROM Initialization Settings; Setting

1.4.7 Default Setting Function Pressing the Pitch button while turning on the printer puts the printer in default setting mode. Some default printer settings can be changed in this operation. The method for setting defaults is described in theinstruction sheets, which are printed out immediately aft...

Page 44 - Figure 1-12 Main Components

1.6 MAIN COMPONENTS The main components of the FX-2170 are designed for easy removal and repair. The main components are: ❒ C166 MAIN Board Assembly ❒ C166 PSB/PSE Board Assembly (120 V/230 V) ❒ C165 PNL Board Assembly ❒ Printer Mechanism ❒ Housing Assembly The following figure shows the main compon...

Page 46 - Figure 1-16 Printer Mechanism

1.6.3 C165 PNL Board Assembly This board function is the control panel for the FX-2170. It consists of a power switch, six buttons, and nineindicator LEDs. This board is almost same as it for the LQ-2170. 1.6.4 Printer Mechanism The printer mechanism consists of an 18-pin impact dot head, paper feed...

Page 47 - Figure 1-17 Housing Assembly

1.6.5. Housing Assembly This consists of printer cover assembly, edge guide assembly, upper housing, lower housing assembly, etc. Figure 1-17 Housing Assembly Product Description FX-2170 Service Manual 1-38 Rev.A

Page 48 - PRINTER MECHANISM OPERATION

CHAPTER 2 Operating Principles Table of Contents 2.1 PRINTER MECHANISM OPERATION 2-1 2.1.1 Printing Mechanism . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-12.1.2 Carriage Movement Mechanism . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-22....

Page 50 - PRINTER MECHANISM OPERATION; on the printhead in 2 columns.; P l a t e n; Operating Principles

2.1 PRINTER MECHANISM OPERATION This section describes the printer mechanism and explains how it works. 2.1.1 Printing Mechanism The printing mechanism is composed of the printhead, ink ribbon, and ribbon mask. The printhead is an18-pin (9 pins × 2) head for impact dot printing. To improve the durab...

Page 51 - Table 2-1. CR Motor Assembly Specifications; Category; Type; Figure 2-2 Carriage Movement Mechanism

2.1.2 Carriage Movement Mechanism The carriage movement mechanism consists of the carriage assembly, carriage (CR) motor, timing belt,driven pulley, home position (HP) sensor, etc. The CR motor drives the timing belt. The carriage assembly isconnected to the timing belt, which is moved by the CR mot...

Page 52 - between the platen gap and the print speed.; Figure 2-3 Platen Gap Adjustment Lever

2.1.3 Platen Gap Adjustment You can adjust the platen gap (the gap between the platen and printhead) to allow the printer to use paper ofdifferent weights or thicknesses. When you move the platen gap adjust lever forward or backward, thecarriage guide shaft rotates. This rotation moves the carriage ...

Page 53 - Figure 2-4 Release Switch

2.1.4. Paper Handling Mechanisms During the normal operation, paper is fed to the printer, advanced to the specified position, and ejected fromthe printer. These paper-handling operations are performed by various paper handling mechanisms, such astractors, platens, rollers, and gears. This section d...

Page 54 - Friction Advance Method; Figure 2-5 Friction Advance Operation Using the Top Entrance

2.1.4.2. Paper Advance Mechanism This section describes how the friction and tractor advance mechanisms work to move the paper through theprinter. 1. Friction Advance Method Paper is held between the platen and the paper guide rollers and between the paper tension roller and papertension unit cover....

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

2. Push Tractor Method The push tractor method is used with the rear or front entrance. When the push tractor method is used with the rear entrance, the torque generated by the PF motor istransmitted to the push tractor gear through the PF motor pinion gear, paper advance reduction gear, andtractor ...

Page 56 - Figure 2-7. Push Tractor Operation Using the Front Paper Entrance

Figure 2-7. Push Tractor Operation Using the Front Paper Entrance FX-2170 Service Manual Operating Principles Rev.A 2-7

Page 57 - Pull Tractor Method; Figure 2-8 Pull Tractor Operation Using the Bottom Paper Entrance

3. Pull Tractor Method The pull tractor advances paper in basically the same way as the push tractor. The push tractor is installed atthe paper entrance and pushes paper into the printer. On the other hand, the pull tractor is installed at thepaper exit and pulls paper out of the printer mechanism. ...

Page 60 - Figure 2-11. Paper Paths and PE Sensor Locations; Up

2.1.5 Paper Paths This section describes various paper paths through the printer mechanism. These paper paths are divided intofour groups, depending on which entrance (top, rear, bottom, or front) is used to feed paper. The printer hastwo PE (paper end) sensors. The front PE sensor is located in fro...

Page 61 - Down

2. Rear Entrance Figures 2-13, 2-14, and 2-15 show the paper paths for tractor feeding using the rear entrance. You can use therear entrance with any of the following paper feed methods: push tractor feed, pull tractor feed, or push-pulltractor feed. When you use the rear entrance, the rear PE senso...

Page 62 - Figure 2-15. Push-Pull Tractor Feeding Using the Rear Entrance

Figure 2-15. Push-Pull Tractor Feeding Using the Rear Entrance As shown above in Figure 2-15, when you use the pull tractor with this printer, you must remove the papereject cover, which includes the paper tension roller, from the printer mechanism. 3. Bottom Entrance Figure 2-16 shows the paper pat...

Page 65 - Belt driven pulley; Figure 2-21 Ribbon Advance Mechanism

2.1.6 Ribbon Advance Mechanism The ribbon is held between the ribbon advance roller (ribbon driven gear) and the ribbon pressure roller.When the carriage moves from left to right and vice versa on the CR guide shaft, the timing belt turns thebelt-driven pulley. Then the torque is transmitted to the ...

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

2.2 POWER SUPPLY OPERATION The printer can be powered by either of two power supply boards: the C166 PSB (120 V) or C166 PSE (230V) power supply. These boards are the same for both the LQ-2170 and FX-2170. Additionally, the PSB andPSE boards function the same, except for a difference in primary circ...

Page 67 - Power Switch Circuit; This circuit is shown below.; Figure 2-23 Power Switch Circuit; GND; Figure 2-24 Over Voltage Protection Circuit

2.2.2 Power Supply Circuit Operation The power supply circuit is composed of an RCC (ringing choke converter) system and the power switchcircuit in the secondary circuitry. The power supply circuit has several protection and control circuits. Thissection describes these circuits. 1. Power Switch Cir...

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

3. +35 V Constant Voltage Control Circuit The +35 V constant voltage control circuit is illustrated below. The constant voltage control circuit operates to keep the 35 V line at 35 V ± 6 %. When the voltage between ZD51 and ZD85 becomes 32.7 V ± 2.75 %, PC1 turns on, and then Q2 also turns on. Conse...

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

5. +35 V Line Over Current Protection Circuit The +35 V line over current control circuit is illustrated below. When the +35 V line becomes less than 27 V, Q82 and Q54 turn on, and PC1 turns on. Consequently, Q32and Q31 turn off, and then switching FET Q1 shuts off. When the protection circuit opera...

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

7. +5 V Line Constant Voltage Control Circuit The +5 V line constant voltage control circuit is shown below. Port 16 of IC51 (TL494CN) monitors the + 5 V line, and the voltage is compared with the standard voltage,which is input into port 15. When the voltage of port 16 goes below 4.81 V or above 5....

Page 71 - Overview of Control Circuit Operation; Figure 2-30 Control Circuit Block Diagram

2.3 CONTROL CIRCUIT The control circuit consists of the C166 MAIN board assembly and C165 PNL board This section describesthe major components and explains how the boards work. 2.3.1 Overview of Control Circuit Operation The printer’s control circuit includes a TMP96C041AF CPU that runs at 14.74 MHz...

Page 72 - Table 2-7 Functions of the Main Board; IC; Figure 2-31 Data Flow

The following figure shows the data flow from the host computer to the printhead. Data sent from the hostcomputer is converted to image data and transmitted to the printhead through the gate array. The following table lists the each function of the main components of the C166 MAIN board. Table 2-7 F...

Page 73 - Figure 2-34 Printhead Driver Circuit; Figure 2-32 Reset Circuit; Figure 2-33 Reset Signal Output Timing

2.3.2 System Reset Circuit Control circuits IC1 and IC2 are initialized when a RESET signal (LOW level) is output from port 1 (VOUT)of IC10. IC10 monitors the +5 V line on port 3, and resets under the following conditions: 1. When the power supply is turned on, a RESET signal is output. RESET is can...

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

2.3.4 CR Motor Driver Circuit The CR motor driver circuit is shown below. The carriage motor driver circuit controls the CR motor, using an open-loop, constant drive arrangement. 2-2and 1-2 phases excite the motor. A 2-2 phase step is equivalent to a 1-2 phase step doubled. Ports 1 to 4 ofthe SLA702...

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

2.3.5 PF Motor Driver Circuit The figure below shows the PF motor driver circuit. The gate array receives phase data from the CPU via ports 5 (PG10), 6 (PG11), 7 (PG12), and 8 (PG13),converts the data to UDN2917 form, and then sends that phase data to ports 43 (PH1) and 26 (PH2). The PFdriver curren...

Page 76 - Figure 2-38 Sensor Circuits

2.3.7 Sensor Circuits The CPU detects conditions of the following sensors: home position (HP) sensor, release sensors 1 and 2,platen gap (PG) sensors 1 and 2, rear and front paper end (PE) sensors, paper width (PW) sensor, and coveropen sensor. Two types of sensors are used in this printer. Release ...

Page 77 - PRINTER DISASSEMBLY AND ASSEMBLY

CHAPTER 3 Disassembly and Assembly Table of Contents 3.1 OVERVIEW 3-1 3.1.1 Precautions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-13.1.2 Tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

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

3.1 OVERVIEW This section describes various points to note when disassembling and assembling the printer. 3.1.1 Precautions Follow the precautions below for disassembly or assembly. WARNING Before disassembling, assembling, or adjusting the printer, disconnect the power supply cable fromthe AC power...

Page 81 - Table 3-3. Inspection Check List for the Repaired Printer; Component; Adjustment

3.1.3 Service Checks After Repair Before returning the printer after service, use the check list in Table 3-3, which provides a record to makeservicing and shipping more efficient. Table 3-3. Inspection Check List for the Repaired Printer Category Component Item to Check Is Check Required? Printerun...

Page 82 - Top; Pan; Body; Figure 3-1 Screw Types and Abbreviations

3.1.4 Specifications for Screws Table 3-4 lists the abbreviations used in the following sections for small parts, such as screws and washers. Table 3-4. Screw Types and Abbreviations Abbreviation Part Name CPS Cross-recessed pan head S-tight screw CBB Cross-recessed bind head B-tight screw CBS Cross...

Page 83 - CAUTION; Figure 3-2 Flowchart for Disassembling the Printer

3.2. PRINTER DISASSEMBLY AND ASSEMBLY This section describes procedures for disassembling and assembling the main components of the printer.When the procedure for installing a component is simply the reverse of removing the component, this chapterdoes not describe the assembly procedure. If necessar...

Page 84 - Note

3.2.1. Before Starting Disassembly Procedures 1. Remove the following parts: Front edge guide assembly Front cover Bottom cover Rear edge guide assembly Printer cover Paper eject assembly . Front/rear tractor assembly Ribbon cartridge Refer to the following figure. Note Remove the paper eject cover ...

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

3.2.2. Removing the Panel Board Assembly 1. Remove the printer cover and ribbon cartridge (see Section 3.2.1). 2. Release the left clips for the panel board assembly by pushing them from the cutout located onthe inside front of the upper housing assembly. 3. Release the flexible flat cable (FFC) by ...

Page 86 - The tightening torque for the 2 CBS screws (3

3.2.3. Removing the Printhead 1. Remove the printer cover and ribbon cartridge (see Section 3.2.1). 2. Remove 2 CBS screws (3 × 10, F/Zn) securing the printhead to the CR assembly. 3. Remove the printhead from the CR assembly. 4. Disconnect 2 wide FFCs from the printhead and then disconnect the narr...

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

3.2.4 Removing the HP Sensor 1. Remove the printer cover, ribbon cartridge, front edge guide, and front cover (see Section 3.2.1). 2. Disconnect the connector cable for the HP sensor. 3. Remove the HP sensor by pushing up and releasing the 2 clips at the bottom of the HP sensorfrom the front paper e...

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

Assembly Notes Mount the PW sensor assembly onto the ribbon mask holder groove, aligning the bottom line of micro photo sensor to the bottom line of the groove. Whenever you remove the PW sensor assembly, clean the surface of the sensor by wiping it with asoft material. If the surface is not clean, ...

Page 89 - Adjust the platen gap. Refer to Chapter 4.; Figure 3-12 Removing the Platen Assembly

3.2.6 Removing the Platen Assembly 1. Remove the printer cover, ribbon cartridge, and platen knob (see Section 3.2.1). 2. Release both locks for the left and right bushings (8 mm) by pushing the lever holder for thebushings outside, and then pulling the holder lever forward. 3 Slide the platen assem...

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

3.2.7 Removing the Upper Housing Assembly 1 Remove the rear edge guide assembly, paper eject assembly, rear tractor unit, and printer cover(see Section 3.2.1). 2. Remove the panel board assembly (see Section 3.2.2). 3. Remove 4 CBB screws (4 × 14, F/Zn) securing the upper housing assembly. 4. Remove...

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

3.2.8 Removing the Case Open Sensor Assembly 1. Remove the rear edge guide assembly, paper eject assembly, rear tractor unit, and printer cover(see Section 3.2.1). 2. Remove the panel board (see Section 3.2.2) and upper housing assemblies (see Section 3.2.7). 3. Turn the upper housing assembly over ...

Page 92 - Remove the printer mechanism.; The tightening torque for the printer mechanism mounting screw=; Figure 3-17 Removing the Printer Mechanism

3.2.10 Removing the Printer Mechanism 1. Remove the rear/front edge guide assembly, front cover, paper eject assembly, rear/front tractorunits, and printer cover (see Section 3.2.1). 2. Remove the panel board assembly (see Section 3.2.2) and upper housing assembly (see Section3.2.7). 3. Remove 4 pri...

Page 93 - The tightening torque for the CB and CBS screws (3; Figure 3-18 Removing the PF Motor

3.2.10.1 Removing the PF Motor 1. Remove the rear/front edge guide assembly, front cover, paper eject assembly, rear/front tractorunit, and printer cover (see Section 3.2.1). 2. Remove the panel board (see Section 3.2.2) and upper housing assemblies (see Section 3.2.7). 3. Remove the printer mechani...

Page 94 - Figure 3-20 Mounting the Cables for the PG Sensor Assembly

3.2.10.2 Removing the PG Sensor Assembly 1. Remove the rear/front edge guide assembly, front cover, paper eject assembly, rear/front tractorunit, and printer cover (see Section 3.2.1). 2. Remove the panel board (see Section 3.2.2) and upper housing assemblies (see Section 3.2.7). 3. Remove the print...

Page 95 - Remove 1 CBS screw (3; Figure 3-21 Removing the Right Frame Assembly; Figure 3-22 Removing the Right Sub Frame

3.2.10.3 Removing the Right Frame Assembly 1. Remove the rear/front edge guide assembly, front cover, paper eject assembly, rear/front tractorunit, and printer cover (see Section 3.2.1). 2. Remove the panel board (see Section 3.2.2) and upper housing assemblies (see Section 3.2.7). 3 Remove the prin...

Page 96 - Adjust the bidirectional print alignment. Refer to Chapter 4.; Figure 3-23 Engaging Gears 1

2. Remove the right sub frame from the right frame assembly. 3. Remove the following 11 parts from the right frame assembly. 2 compression springs (200 g) 2 plain washers 1 spur gear (27 mm) 2 spur gears (34.5 mm) 1 spur gear (34 mm) 1 spur gear (21 mm) 1 combination gear (8 mm, 31.5 mm) 1 intermitt...

Page 97 - The tightening torque for the CBS screws (3; Figure 3-24 Engaging Gears 2; Figure 3-25 Engaging the Tractor Clutch Cam

Assembly Notes When you engage the release lever and release lever transmission to the tractor clutch cam, noticethe points in the following figure. The tightening torque for the CBS screws (3 × 6, F/Zn) and (3 × 8, F/Zn) 0.78 ~ 0.98 N.m (8 ~ 10 Kg - cm) The tightening torque for the hexagon nut (st...

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

3.2.10.5 Removing the Left Frame Assembly 1. Remove the rear/front edge guide assembly, front cover, paper eject assembly, rear/front tractorunit, and printer cover (see Section 3.2.1). 2. Remove the panel board assembly (see Section 3.2.2), upper housing assembly (see Section 3.2.7),and then remove...

Page 99 - Figure 3-28 Removing the RD Assembly

3.2.10.6 Removing the Ribbon Drive (RD) Assembly 1. Remove the rear/front edge guide assembly, front cover, paper eject assembly, rear/front tractorunit, and printer cover (see Section 3.2.1). 2. Remove the panel board (see Section 3.2.2) and upper housing assemblies (see Section 3.2.7). 3. Remove t...

Page 100 - Figure 3-31 Removing the CR Assembly; Figure 3-30 Disconnecting the FFCs

3.2.10.7 Removing the CR Assembly 1. Remove the rear/front edge guide assembly, front cover, paper eject assembly, rear/front tractorunit , and printer cover. 2. Remove the panel board (see Section 3.2.2) and upper housing assemblies (see Section 3.2.7) . 3. Remove the printer mechanism (see Section...

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

Assembly Notes Insert the timing belt properly into the 2 holding slots at the bottom of the CR assembly. Take upthe timing belt slack between the two slots completely, as shown in the following figure. Insert the 2 oil pads into the proper positions in the CR assembly, as shown. If you remove the r...

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

3.2.10.8 Removing the Rear PE Sensor Assembly 1 Remove the rear/front edge guide assembly, front cover, paper eject assembly, rear/front tractor unit, and printer cover. 2. Remove the panel board (see Section 3.2.2) and upper housing assemblies (see Section 3.2.7). 3. Remove the printer mechanism (s...

Page 103 - Figure 3-37 Removing the C166 MAIN Baord Assembly

3.2.11 Removing the C166 MAIN Board Assembly 1. Remove the rear/front edge guide assembly, front cover, paper eject assembly, rear/front tractorunit, and printer cover (see Section 3.2.1) 2. Remove the panel board (see Section 3.2.2) and upper housing assemblies (see Section 3.2.7). 3. Disconnect th...

Page 104 - The tightening torque for the CBB screw (3; Figure 3-38 Removing the C166 PSB/E Board Assembly

3.2.12 Removing the C166 PSB/E Board Assembly 1. Remove the rear/front edge guide assembly, front cover, paper eject assembly, rear/front tractorunit, and printer cover. 2. Remove the panel board (see Section 3.2.2) and upper housing assemblies (see Section 3.2.7). 3. Remove the 5 CBB screws (3 × 12...

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

3.3. Disassembly and Assembly of CSF Bin 1 This section describes procedures for disassembling and assembling the optional cut sheet feeder. Ingeneral, you can install a component in the CSF simply by reversing the procedure for removing it.Therefore, this section does not describe assembly procedur...

Page 106 - Figure 3-41 Cable Alignment

Assembly Notes Be careful of the cable alignment for the CN1 connector cable and earth cables. Align thosecables as shown in the following figure. If these cables is not aligned properly, the CSF gearcover cannot be assembled properly. Use the following figure to assemble the 13 gears onto the right...

Page 107 - Disassembling Paper Support Block Assembly

3.3.2 Disassembling Paper Support Block Assembly 1. Remove the CSF gear cover. Refer to step 1 in Section 3.3.1. 2. Remove the stepping motor. Refer to steps 2 and 3 in the Section 3.3.1. 3. Remove the E-ring fixing the right edge of the paper feed shaft. 4. Remove 1 gear (29 mm) from the right edge...

Page 108 - Figure 3-46 Removing the Paper Support Block Assembly; Figure 3-47 Removing the Paper Loading Roller Cover Assembly

7. Remove the paper support assembly along with the paper support shaft and paper shaft holderby pulling upward. 8. Remove both paper feed rollers from both paper support assemblies. 9. Remove both paper loading roller cover assemblies by releasing the clips fixing them to thepaper support 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

3.3.3 Removing the Paper Eject Assembly Cover 1. Remove the paper eject assembly cover by releasing 2 clips located along both edges of the papereject assembly cover, as shown in the following figure. Assembly Note When attaching the paper eject assembly cover to the CSF unit, pay attention to the p...

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

3.4 Disassembly and Assembly of CSF Bin 2 3.4.1 Disassembling the Right Side Block 1. Remove the gear train cover by releasing the 4 clips shown in the following figure. 2. Remove the following 5 gears and 1 spring from the right CSF frame. Assembly Note Pay attention how the 5 gears are engaged. Re...

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

3.4.2 Disassembling the Paper Support Block Assembly 1. Remove 1 E -ring fixing the paper feed roller shaft to the right CSF frame. 2. Remove 2 CTBS (3 × 8) screws securing the paper support shaft to both right and left CSF frames. 3. Remove both paper support assemblies along with the paper feed ro...

Page 112 - ADJUSTMENT OVERVIEW

CHAPTER 4 Adjustments Table of Contents 4.1 ADJUSTMENT OVERVIEW 4-1 4.1.1 Required Adjustments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-14.1.2. Required Adjustment Tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1 4.2 ADJUSTING...

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.

4.1 ADJUSTMENT OVERVIEW 4.1.1 Required Adjustments This section describes what adjustments are required after any part is removed or replaced. The followingtable shows the relationship between the repaired item and the adjustment. Table 4-1 Required Adjustments Repaired Item \ Adjustment Platen Gap ...

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

4.2 ADJUSTING AND RESETTING THE PRINTER 4.2.1 Platen Gap Adjustment If you have rotated or reassembled the rear CR guide shaft or parallelism adjustment bushing, or if printing islight or dark, even at the proper PG lever position, perform this adjustment at 3 positions: the 5th, 80th, and130th colu...

Page 116 - Bidirectional Print Alignment Adjustment; GWBASIC; Figure 4-5 Machine Select Menu

4.2.2 Bidirectional Print Alignment Adjustment This section describes the procedure for adjusting the bidirectional print alignment, required after mechanismrepair. This procedure is also necessary if you replace the main board assembly or EEPROM, because theadjusted value is written to the EEPROM o...

Page 117 - Mode 0 VR0 = 0

10. Highlight the mode by moving the cursor with the ↑ or ↓ key, and then print the current Bi-d print alignment pattern for that mode by pressing SPACE . 11. If the Bi-d pattern is not aligned properly, adjust it by changing the value with the ← or → key. If the second row is shifted to the right o...

Page 118 - Figure 4-10 Guide Sheet for Bi-d Adjustment

4.2.2.2 Bi-d Print Alignment Adjustment from the Control Panel 1. Turn the printer on while pressing the PAUSE button to put the printer into Bi-D adjustment mode. 2. The printer prints out a guide sheet, containing 25 patterns in Super Draft mode. 3. Look for the pattern most closely aligned on the...

Page 119 - Figure 4-11 Machine Select Menu

4.2.3 Factory Settings This section describes the procedure to reset factory settings, which is necessary if the main board orEEPROM is replaced. You can perform this procedure only with the Settings Diskette. Notes: • After you select factory settings in the Setting File menu, be sure to run the ch...

Page 121 - TROUBLESHOOTING INFORMATION; Troubleshooting

Chapter 5 Troubleshooting Table of Contents 5.1 OVERVIEW 5-1 5.2 TROUBLESHOOTING INFORMATION 5-1 5.2.1 PRINTHEAD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-15.2.2 SENSORS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

Page 122 - -1. Printhead Coil Resistance Test Points; Test; Test Method; the printhead after the printer is; Figure 5-1 Printhead Connector Pin Alignment

5.1 OVERVIEW This chapter contains flowcharts and checkpoint tables to help you troubleshoot the printer. Flowcharts letyou isolate a faulty unit based on abnormal symptoms. The checkpoint tables let you identify the faulty partor unit by checking the values or ranges listed for each component. 5.2 ...

Page 123 - Table 5-2 Sensor Test Points; Test Pin; Meter Reading

5.2.2 Sensors Table 5-2 Sensor Test Points Sensor ConnectorNumber Test Pin Number Test Method (Set Meter to DC Voltage. ) Meter Reading CN4 (HP Sensor) 1: HP Place one lead on pin 1 and the otherlead on pin 2, and check the voltage whileblocking the two sensor terminals. Open: +5 V (Home position) S...

Page 124 - Table 5-3 Motor Test Points; Error Codes with Indicators and Buzzer; Table 5-4 Indicators and Buzzer

5.2.3 Motors Table 5-3 Motor Test Points MotorConnectorNumber Common Pin Number Test Pin Number Test Method (Set Meter to Ohms. Disconnect Motor from Main Board after the Printer is Powered off.) Meter Reading CR MotorCN11 5 1, 2, 3, 4 Place one lead on pin 5 and the other lead on each of 4 test pin...

Page 125 - UNIT LEVEL TROUBLESHOOTING; Table 5-5. Symptoms and Problem Descriptions; Symptom; Paper does not feed at all.; Flowchart 3

5.3 UNIT LEVEL TROUBLESHOOTING You may be able to identify the defective unit just from the symptom displayed. The table below provides thesymptoms for a number of failures. Once you identify the problem, refer to the flowchart listed in theright-hand column of the table below to determine the cause...

Page 126 - Abnormal CR Operation; Figure 5-2 Flowchart 1

1. Abnormal CR Operation START When the printer is powered on, does the CR motor rotate? Is CN11 connected correctly? ConnectCN11correctly. Is the problem corrected? NO YES Does the CR motor stop during or after initialization? When you move the CRmanually with the power off, does it move freely? YE...

Page 127 - Abnormal Paper Feed Operation 1; Figure 5-3 Flowchart 2

2. Abnormal Paper Feed Operation 1 START Does the PF motor rotate? NO YES When the printer is powered on, is paper ejected automatically? YES NO Go to flowchart2-1. Is CN10 connected correctly? YES NO Is the resistance of the PF motor coils correct? YES NO Connect itcorrectly. Is the problem correct...

Page 129 - Abnormal Control Panel Operation; Figure 5-5 Flowchart 3

3. Abnormal Control Panel Operation START Does the Operate button turn power on and off? NO YES Is the Operate button OK? NO Replace thePNL board. Check the Operate button on the control panel usinga multimeter. YES Is the problem corrected? NO END YES Is the FFC connected correctly? NO Connect thec...

Page 130 - Figure 5-6 Flowchart 4

4. Abnormal Printing NO YES Replace theprinthead. Is the self-test printed correctly? YES Are printer settings correct? START Data received fromthe host is not printedcorrectly. NO YES Are all the dots printed OK? YES Are any wires in the printhead broken? YES Does the resistance of printhead wires ...

Page 131 - REPAIRING C166 PSB/PSE BOARD ASSEMBLY; The; OPERATE; Problem; Cause; The diode bridge DB1

5.4 REPAIRING C166 PSB/PSE BOARD ASSEMBLY This section provides instructions to repair a defective power supply board assembly. It describes varioussymptoms, likely causes, and checkpoints. Checkpoints refer to proper waveforms, resistances, and othervalues to check when evaluating the operation of ...

Page 132 - Check the voltage at pin 12 of IC51.

Table 5-6. Repairing the C166 PSB/PSE Board Assembly (Continued) Problem Cause Checkpoint Solution The 35 V and5 V lines arenot outputwhen theprinter ispowered on. Q32 is dead. Check that the resistance between thecollector and emitter is infinite. Replacethe Q32. ^ Q31 is dead. Check that the resis...

Page 133 - REPAIRING THE C166 MAIN BOARD ASSEMBLY; Table 5-7. Repairing the C166 MAIN Board Assembly; Reset IC10 is defective.

5.5 REPAIRING THE C166 MAIN BOARD ASSEMBLY This section provides instructions to repair the C166 MAIN board assembly. It describes various problems,symptoms, likely causes, and solutions. The checkpoint column provides proper waveforms, resistancevalues, and other information for each component of C...

Page 135 - Checkpoint; Solution

Table 5-7. Repairing the C166 MAIN Board Assembly Problem Cause Checkpoint Solution Paper feed isabnormal. IC1 is defective. IC2 isdefective. IC11 isdefective. Check input signal waveform at pins 43and 26 of IC11.Check output signal waveform at pins 6,3, 18, and 21. If the input signalis not correct...

Page 136 - REPAIRING THE PRINTER MECHANISM; Table 5-8. Repairing the Printer Mechanism; When the printer is

5.6 REPAIRING THE PRINTER MECHANISM This section provides instructions for repairing the printer mechanism. It describes various problems,symptom, likely causes, checkpoints, and solutions. The checkpoint column shows items to be checked,including proper values to be set for each component of the pr...

Page 138 - The PF motor does

Table 5-8. Repairing the Printer Mechanism Problem Symptom Cause Checkpoint Solution Abnormalpaper feed The PF motor does not rotate at all. CN10 isdisconnectedfrom the mainboard. Check CN10. Connect CN10correctly. ^ The rear or frontPE sensor isdefective. Check theoperation of therear and front PEs...

Page 139 - is loaded

Table 5-8. Repairing the Printer Mechanism Problem Symptom Cause Checkpoint Solution Paper feed isabnormal. Cut-sheet paper is loaded correctly, but continuous paper is not loaded at all. CN12 is notconnectedcorrectly. Check theconnector. Referto page 3-19. Connect theCN12 correctly. ^ The releasese...

Page 141 - PREVENTIVE MAINTENANCE

CHAPTER 6 Maintenance Table of Contents 6.1 PREVENTIVE MAINTENANCE 6-1 6.2 APPLYING LUBRICATION 6-1 List of Figures Figure 6-1. Lubrication Points 1 and 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-2Figure 6-2. Lubrication Point 2 . . . . . . . . . . . . . . . . . . . . . . ...

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

6.1 PREVENTIVE MAINTENANCE Preventive maintenance includes regular cleaning of the exterior case using denatured alcohol, as well asoccasional vacuuming of the mechanism interior to remove dust and paper debris. After cleaning the unit,check that it is adequately lubricated, as described in Section ...

Page 146 - Appendix; A.3 CONNECTOR SUMMARY

Appendix Table of Contents A.1. EXPANDED PRODUCTION COMMANDS A-1 A.2. EEPROM ADRESS MAP A-2 A.3 CONNECTOR SUMMARY A-5 A.4 CIRCUIT DIAGRAMS A-11 A.5 CIRCUIT BOARD COMPONENT LAYOUTS A-17 A.6 EXPLODED DIAGRAMS A-20 List of Figures Figure A-1. Cable Connections . . . . . . . . . . . . . . . . . . . . . ...

Page 147 - A.1 EXPANDED PRODUCTION COMMANDS; Write Bidirectional Adjustment Data to EEPROM

A.1 EXPANDED PRODUCTION COMMANDS 1. Write Bidirectional Adjustment Data to EEPROM • Format 1B 7C 00 00 FF 00 (in hex) dl d2 d3 • Parameters dl Print speed (0: High speed draft, 1: Draft, 2: LQ) d2 , d3 Bi-d adjustment data to be written (units = 1/720 inch) n = FFF4H (–12) 12/720 inch to the right |...

Page 148 - A.2 EEPROM ADDRESS MAP; Address; Reserved

A.2 EEPROM ADDRESS MAP Address Data Data Format Default 00H, 01H Reserved 0000H Area 1 02H, 03H Character tableselection 0: PC437 1: PC850 2: PC860 3: PC863 4: PC865 5: PC861 6: BRASCII 7: Abicomp 8: ISO Latin 1 9: Roman8, 10: PC437Greek 11: PC852 12: PC853 13: PC855 14: 857 15: — 16: PC866 17: PC86...

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

A.3 CONNECTOR SUMMARY Figure A-1 illustrates how primary components are connected. Table A-1 summarizes functions and sizes ofthe connectors. P r i n t e r M e c h a n i s m P G S e n s o r R e l e a s e L e v e r P o s i t i o n S e n s o r P E - R e a r S e n s o r P E - F r o n t S e n s o r H P ...

Page 157 - Figure A-2. C166 MAIN Board Assembly Circuit Diagram

A.4 CIRCUIT DIAGRAMS Figure A-2. C166 MAIN Board Assembly Circuit Diagram FX-2170 Service Manual Appendix Rev. A A-11

Page 159 - Figure A-3. C166 PSB Board Assembly Circuit Diagram

Figure A-3. C166 PSB Board Assembly Circuit Diagram FX-2170 Service Manual Appendix Rev. A A-13

Page 161 - Figure A-4. C166 PSE Board Assembly Circuit Diagram

Figure A-4. C166 PSE Board Assembly Circuit Diagram FX-2170 Service Manual Appendix Rev. A A-15

Page 163 - A.5 CIRCUIT BOARD COMPONENT LAYOUTS; Figure A-5. C166 MAIN Baord Assembly Component Layout

A.5 CIRCUIT BOARD COMPONENT LAYOUTS Figure A-5. C166 MAIN Baord Assembly Component Layout FX-2170 Service Manual Appendix Rev. A A-17

Page 164 - Figure A-6. C166 PSB Board Assembly Component Layout

Figure A-6. C166 PSB Board Assembly Component Layout Appendix FX-2170 Service Manual A-18 Rev.A

Page 165 - Figure A-7 C166 PSE Board Assembly Component Layout

Figure A-7 C166 PSE Board Assembly Component Layout FX-2170 Service Manual Appendix Rev. A A-19

Page 166 - A.6 EXPLODED DIAGRAMS

A.6 EXPLODED DIAGRAMS Figure A-8. FX-2170 Exploded Diagrams (1) Appendix FX-2170 Service Manual A-20 Rev.A

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