Epson TM-T88II Series Manual de instrucciones

TM-T88 Series Using this online technical guide The words on the left side of this screen are bookmarks for all the topics in this guide. Use the

vi Rev. AChapter 2 Mechanisms and Operation Component Connection Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5-10 Disassembly, Assembly, and Adjustment Rev. APlate-circuit board block CAUTION:When performing this procedure, be sure to use a grounded wrist b

Rev. A Disassembly, Assembly, and Adjustment 5-11TM-T88 Series Technical ManualTo install, perform the following procedure:1. Affix {seal-caution} a

5-12 Disassembly, Assembly, and Adjustment Rev. A4. Install {I/F circuit board assembly block] and secure it with the two {CPS-tite (O) M3x6} screws

Rev. A Disassembly, Assembly, and Adjustment 5-13TM-T88 Series Technical ManualNote:Note that {plate-connector-AA} and {plate-connector-BA} must be

5-14 Disassembly, Assembly, and Adjustment Rev. AM-T88 Printer Mechanism Disassembly and AssemblyNote:No adjustments are required for the M-T88 prin

Rev. A Disassembly, Assembly, and Adjustment 5-15TM-T88 series Technical ManualUse the following procedure to install the cables:1. Install the cabl

5-16 Disassembly, Assembly, and Adjustment Rev. ASwitch circuit board assembly-B1. Remove the five cable connectors from {switch circuit board assem

Rev. A Disassembly, Assembly, and Adjustment 5-17TM-T88 series Technical ManualCover-frame assembly block1. Remove the two {RE 2.0} retaining rings

5-18 Disassembly, Assembly, and Adjustment Rev. AAuto cutter unit blockRemove the two {CBS-tite M3x5} screws and then [auto cutter unit block].Note:

Rev. A Disassembly, Assembly, and Adjustment 5-19TM-T88 series Technical Manual CAUTION:You must follow the steps described below. If you do not fol

Rev. A viiChapter 5 Disassembly, Assembly, and Adjustment Before starting disassembly, assembly, and adjustment . . . . . . . . . . . . . . . . .

5-20 Disassembly, Assembly, and Adjustment Rev. ANote:Use a flat-blade screwdriver or coin to rotate {screw-detector adjustment}.See page 5-33 for f

Rev. A Disassembly, Assembly, and Adjustment 5-21TM-T88 series Technical ManualPaper guide unit block1. Remove the single {CBS-tite M3x5} screw.2. D

5-22 Disassembly, Assembly, and Adjustment Rev. AThe following is the installation procedure:1. Position the two tabs on the front of [paper guide u

Rev. A Disassembly, Assembly, and Adjustment 5-23TM-T88 series Technical ManualDetector circuit board assembly-A1. Remove the single {RE 2.5} retain

5-24 Disassembly, Assembly, and Adjustment Rev. AThe following is the installation procedure:1. Aligning the single dowel, install {detector circuit

Rev. A Disassembly, Assembly, and Adjustment 5-25TM-T88 series Technical Manual CAUTION:Be sure to hold the two {spring-press heads} while removing

5-26 Disassembly, Assembly, and Adjustment Rev. AThe following is the installation procedure:1. Attach {FFC} to {thermal head} so that the surface o

Rev. A Disassembly, Assembly, and Adjustment 5-27TM-T88 series Technical ManualMotor-paper feed-receipt1. Remove the single {RE 2.5} retaining ring,

5-28 Disassembly, Assembly, and Adjustment Rev. AFrame assembly1. Remove the single {CBS-tite M3x5} screw and then {spring-cover}.2. Remove the two

Rev. A Disassembly, Assembly, and Adjustment 5-29TM-T88 series Technical ManualLevel 2 Disassembly and AssemblyCover-frame assembly block1. Remove {

viii Rev. A

5-30 Disassembly, Assembly, and Adjustment Rev. ANote:Note that you cannot remove {shutter blade assembly} although the illustration below shows tha

Rev. A Disassembly, Assembly, and Adjustment 5-31TM-T88 series Technical ManualAuto cutter unit block1. Remove the two {CB M2x2.5} screws and then {

5-32 Disassembly, Assembly, and Adjustment Rev. AThe following is the installation procedure:1. Pass {guard tube} through {lead wire-paper cutter}.2

Rev. A Disassembly, Assembly, and Adjustment 5-33TM-T88 series Technical Manual CAUTION:Make sure that {lead wire-paper cutter} is not pinched betwe

5-34 Disassembly, Assembly, and Adjustment Rev. AThe following is the installation procedure:1. Install {lever-N.E. detector} on {holder-N.E. detect

Rev. A Disassembly, Assembly, and Adjustment 5-35TM-T88 series Technical ManualPaper guide unit block1. Slide off {plate-shield}.2. Detach the two t

5-36 Disassembly, Assembly, and Adjustment Rev. AThe following is the installation procedure:1. Place {spring-button} on the {paper guide} dowel.2.

Rev. A Appendix A-1TM-T88 Series Technical ManualAppendixIEEE 1284 Parallel Interface(Bidirectional parallel interface: in accordance with the IEEE 12

Appendix A-2 Rev. AReverse mode(Data transmission from printer to host)The STATUS data transmission from the printer to the host is accomplished in

Rev. A Appendix A-3TM-T88 Series Technical ManualNC: Not connected, ND: Not definedNotes:❏ A prefix "n" to signal names refers to low active

Rev. A Features and General Specifications 1-1TM-T88 Series Technical ManualChapter 1Features and General SpecificationsPrinter PartsFigure 1-1 TM-

Appendix A-4 Rev. A❏ Data transmission should not ignore the signal nAck or Busy. An attempt to transmit data with either signal, nAck or Busy, ign

Rev. A Appendix A-5TM-T88 Series Technical ManualNotes on setting DIP switch 2-1 to ON ❏ The printer mechanism stops but does not become busy when an

Appendix A-6 Rev. ANotes:❏ The handshaking data word length, baud rate, and parity depend on the DIP switch settings.❏ Data transmitted from the pr

Rev. A Appendix A-7TM-T88 Series Technical Manual❏ When the printer stops printing due to a paper-end (in cases when an empty paper supply is detected

Appendix A-8 Rev. A7 SG - Signal ground8 RD1 O 1) When DTR/DSR is selected, this signal indicates whether the host computer is BUSY or READY.DR1 &g

Rev. A Appendix A-9TM-T88 Series Technical ManualNotes:❏ When the remaining space in the receive buffer drops to 16 bytes, the printer status becomes

Appendix A-10 Rev. A"H" indicates:<Printer transmission data> SD1 < SD2<Printer reception data> RD1 < RD2"L"

Rev. A Appendix A-11TM-T88 Series Technical ManualMain Circuit Board Unit-A Parts Layout (parts side) Part No. 202254500Figure A-2

Appendix A-12 Rev. AMain Circuit Board Unit-A Parts Layout (solder side) Part No. 202254500

Rev. A Appendix A-13TM-T88 Series Technical ManualMain Circuit Board Unit-A Parts Layout (parts side) Part No. 202254501

1-2 Features and General Specifications Rev. APrinting SpecificationsPrinting method: Thermal line printingDot density: 180 dpi × 180 dpi. The numb

Appendix A-14 Rev. AMain Circuit Board Unit-A Parts Layout (solder side) Part No. 202254501

Rev. A Appendix A-15TM-T88 Series Technical ManualRS-232 Serial Interface Circuit Board Parts LayoutFigure A-3

Appendix A-16 Rev. AIEEE 1284 Parallel Interface Circuit Board Parts LayoutFigure A-4 Figure A-5 R24R53R2R26C18U7U9C22191CU9R487W327W7411Q5Q418R31R

Rev. A Appendix A-17TM-T88 Series Technical ManualRS-485 Serial Interface Circuit Board Parts LayoutSwitch Circuit Board Assembly-BFigure A-6 Figure A

Appendix A-18 Rev. ACase Unit Parts Name ListCase unit parts ListRef. # Part Name Note100 CC M3x4101 cover-thermal-AA200 CCS-tite M3x8201 IC cover3

Rev. A Appendix A-19TM-T88 Series Technical ManualM-T88 Printer Mechanism Parts Name ListM-T88 Printer Mechanism Parts Name ListRef. # Part Name Note1

Appendix A-20 Rev. ANote: "Assembly" may be abbreviated "ass’y" in some parts lists.405 screw-detector adjustment406 hexagon nu

Rev. A A-21TM-T88 Series Technical ManualOverall Exploded DiagramCase UnitAAabBDCCBDab1001013003013024005007015011002002015026006017007028008018018

Rev. A A-22TM-T88 Series Technical ManualM-T88 Printer MechamismCAACDBEBED2042002012112062052073013033023043053063073003133083093103123117027037047

Rev. A A-23TM-T88 Series Technical ManualLubrication Points DiagramM-T88 Printer MechanismCAACDBEBEDG-15G-15G-19G-19G-15G-15

Rev. A Features and General Specifications 1-3TM-T88 Series Technical ManualCharacter SpecificationsSpace between characters is not included.Charact

Rev. A A-24TM-T88 Series Technical ManualQ503D501D502D503D504Q511 8 6 4 29753101QM501D505 D506D524IN1 1IN2 2OUTA3OUTA5VM7GND4U502D525R571C535

RS-232 Interface BoardR2 1 8 2 7 3 6 4 5RM2 1 8 2 7 3 6 4 5RM1CEN0CEN1CEN2CEN3CEN4D11A1 21Y1181A2 41Y2161A3 61Y3141A4 81Y4122A1 112Y1 92A2

IEEE 1284 Interface R2 1 8 2 7 3 6 4 5RM2 1 8 2 7 3 6 4 5RM1CEN0CEN1CEN2CEN3CEN4D11A1 2 1Y1 181A2 41Y2161A3 61Y3141A4 81Y4122A1 11

RS-485 Interface BoardTP2+5VR12 1 2 3 4 8 7 6 5U2R13R9R8R1R2FG 1SD/SD1 2RD/SD2 3RS/RD1 4 /RD2 5DR/INIT1 6SG 7 /DR1 8 /DR2 9 /CS110 /CS211 12

Rev. A A-28TM-T88 Series Technical ManualSwitch Circuit Board Assembly-BPF APF /APF COMPF BPF /BPF COMPF MOTORTO MACHANISM1 12 23 34 4CN31 12

1-4 Features and General Specifications Rev. APaper Roll Supply DevicePaper SpecificationSupply method: Drop-in paper rollNear-end sensorDetection m

Rev. A Features and General Specifications 1-5TM-T88 Series Technical ManualCAUTIONPaper must not be pasted to the paper roll spool.Printable AreaNo

1-6 Features and General Specifications Rev. APrinting and Cutting PositionsNote:Numeric values used here are typical values; the values may vary sl

Rev. A Features and General Specifications 1-7TM-T88 Series Technical ManualEMI and Safety Standards Applied (EMC is tested using the EPSON PS-170 p

technical manualTM-T88 SeriesEPSONEnglish4006800

1-8 Features and General Specifications Rev. AAcoustic noise:Operating: Approximately 55 dB (Bystander position)External Dimensions and WeightHeight

Rev. A Features and General Specifications 1-9TM-T88 Series Technical ManualMajor Component SpecificationsM-T88 Printer MechanismPaper Feed MotorPri

1-10 Features and General Specifications Rev. AShell231Power Supply ConnectorThis connector is used to connect the printer to an external power sour

Rev. A Features and General Specifications 1-11TM-T88 Series Technical ManualCAUTIONPin 4 must be used only for the drawer.Figure 1-9 Drawer kick-o

1-12 Features and General Specifications Rev. A CAUTIONS:Use a shielded cable for the drawer connector cable.Two driver transistors cannot be energi

Rev. A Features and General Specifications 1-13TM-T88 Series Technical ManualRS-232 serial interfaceSpecificationsData transmission: SerialSynchroni

1-14 Features and General Specifications Rev. A Interface connector terminal assignments and signal functions are described in the table below.TM-

Rev. A Features and General Specifications 1-15TM-T88 Series Technical ManualNotes:When the remaining space in the receive buffer drops to 16 bytes,

1-16 Features and General Specifications Rev. ANotes:• The XON code is <11>H and the XOFF code is <13>H.• In case 3, XON is not transmit

Rev. A Features and General Specifications 1-17TM-T88 Series Technical ManualNotes on setting DIP switch 2-1 to ON ❏ The printer mechanism stops but

All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electron

1-18 Features and General Specifications Rev. A❏ AC characteristics:Minimum reset pulse width: TRS 1 msec (minimum)❏ When using pin 6 (DSR) (DIP swi

Rev. A Features and General Specifications 1-19TM-T88 Series Technical ManualPanel Button Note: The ESC c 5 command enables or disables the

1-20 Features and General Specifications Rev. A (*1)(*2)With the RS-485 serial interface specification (a dealer option), DIP Switches 2-7 and 2-8

Rev. A Features and General Specifications 1-21TM-T88 Series Technical ManualFor parallel interface model DIP switch 1 DIP switch 2Not

1-22 Features and General Specifications Rev. APanel LEDsPower (POWER) LED: GreenOn: Power is stable. Off: Power is not stable.Error (ERROR) LED:

Rev. A Features and General Specifications 1-23TM-T88 Series Technical ManualNote: A macro can be executed r times (r specifies the number of times

1-24 Features and General Specifications Rev. ANotes:If no characters correspond to the data received, the printer prints ".".Control comm

Rev. A Features and General Specifications 1-25TM-T88 Series Technical ManualCover Open ButtonWhen the cover open button (located to the right of th

1-26 Features and General Specifications Rev. AConsumablesSpecified thermal roll paper: NTP080-80In Japan: Nakagawa SeisakujoIn U.S.A.: Nakagawa Mfg

Rev. A Features and General Specifications 1-27TM-T88 Series Technical ManualExternal Power Supply PS-170 SpecificationsInput specificationsOutput s

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Rev. A Mechanisms and Operation 2-1TM-T88 Series Technical ManualChapter 2Mechanisms and OperationComponent Connection DiagramThis printer is made u

2-2 Mechanisms and Operation Rev. ACircuit Block DiagramThe control circuitry of this printer is made up of the following major components:❏ Main ci

Rev. A Mechanisms and Operation 2-3TM-T88 Series Technical ManualMemory MapThe following components are mapped in the memory map of this printer:❏ C

2-4 Mechanisms and Operation Rev. AM-T88 Printer MechanismThis printer consists of six mechanisms: a paper feed mechanism, a paper supply mechanism,

Rev. A Mechanisms and Operation 2-5TM-T88 Series Technical ManualA separate type gear train is used for this mechanism. When the motor rotates in re

2-6 Mechanisms and Operation Rev. AClosing the frame cover causes the top of the heat shield to come into contact with the platen as shown in Figure

Rev. A Mechanisms and Operation 2-7TM-T88 Series Technical ManualHead open mechanismThe printer uses a drop-in paper roll system, and the thermal he

2-8 Mechanisms and Operation Rev. AThe paper outlet of the printer is covered, and even if paper output becomes blocked for some reason, there is en

Rev. A Mechanisms and Operation 2-9TM-T88 Series Technical ManualNear end sensor mechanismThe near end (N.E.) sensor lever is supported by the N.E.

2-10 Mechanisms and Operation Rev. AThe shield plate provided around the sensor is grounded to the main frame. This printer is designed so that the

Rev. A iTM-T88 Series Technical ManualFCC CLASS AFCC Compliance StatementFor American UsersThis equipment has been tested and found to comply with t

Rev. A Mechanisms and Operation 2-11TM-T88 Series Technical Manual3. The heat energy generated by the resistors is transmitted to the roll paper sur

2-12 Mechanisms and Operation Rev. AThe width of the energizing pulse is set to the optimum value in accordance with the paper feed speed, the tempe

Rev. A Mechanisms and Operation 2-13TM-T88 Series Technical ManualStationary blade mechanismThe stationary blade is attached to the frame cover, and

2-14 Mechanisms and Operation Rev. AThe movable blade support, spacer, movable blade, movable blade holding spring, and movable blade spring washer

Rev. A Mechanisms and Operation 2-15TM-T88 Series Technical ManualWhen the stationary blade is not in the home position during normal use, the paper

2-16 Mechanisms and Operation Rev. Aswitch circuit board assembly-BSince the printer mechanism, including the auto cutter, will not operate properly

Rev. A Mechanisms and Operation 2-17TM-T88 Series Technical ManualCover open button mechanismThe cover open lever is supported by the main frame sha

2-18 Mechanisms and Operation Rev. AIn order to simplify maintenance, signal lines such as motors and sensors (except for the thermal head signals)

Rev. A Mechanisms and Operation 2-19TM-T88 Series Technical Manual❏ Power Supply CircuitsFilter circuit+24V output circuit+5V output circuitCPU and

2-20 Mechanisms and Operation Rev. A25 CLK CLK Not used. Open O TTL26 GND GND GND terminal I (0V)27 X1 X1 Crystal connection I ----28 X2 X2 Crystal

ii Rev. AIntroductionThe TM-T88 (RS-232 serial interface specification)1 and the T88P (parallel interface specification) are line printers that can

Rev. A Mechanisms and Operation 2-21TM-T88 Series Technical ManualRAM (1M bit)RAM is used for temporary storage of the following:❏ Data received fro

2-22 Mechanisms and Operation Rev. AROM (2M or 4M bits)A printer control program and character generator data is written into FLASH ROM (U6). The co

Rev. A Mechanisms and Operation 2-23TM-T88 Series Technical Manual33 HEAD1 Not used. Open O TTL34 HEAD2 Not used. Open35 HEAD3 Not used. Open36 HEAD

2-24 Mechanisms and Operation Rev. AReset circuitThe reset circuit protects against runaway CPU processing during unstable voltages immediately afte

Rev. A Mechanisms and Operation 2-25TM-T88 Series Technical ManualReset from the host interface differs in accordance with interface specifications,

2-26 Mechanisms and Operation Rev. ACover open sensor circuitThe cover open sensor is located next to the thermal printer mechanism, and it is conne

Rev. A Mechanisms and Operation 2-27TM-T88 Series Technical ManualPower Supply CircuitThe table below shows supply voltage values and their applicat

2-28 Mechanisms and Operation Rev. AI/F Circuit Board AssemblyThis printer uses a TM Series universal interface, which allows support of a variety o

Rev. A Handling, Maintenance, and Repairs 3-1TM-T88 Series Technical ManualChapter 3Handling, Maintenance, and RepairsHandlingTransport PrecautionsT

3-2 Handling, Maintenance, and Repairs Rev. A❏ The heating element of the printer mechanism’s thermal head and the driver IC are easily damaged. Nev

Rev. A iiiWarnings, Cautions and Notes WARNING:Warnings must be followed carefully to avoid bodily injury. CAUTION:Cautions must be observed to avo

Rev. A Handling, Maintenance, and Repairs 3-3TM-T88 Series Technical ManualLoading roll paperNote:Be sure to use paper rolls that meet the specific

3-4 Handling, Maintenance, and Repairs Rev. A6. Pull out a small amount of paper, as shown. Then close the cover.7. Tear off the paper as shown.Rema

Rev. A Handling, Maintenance, and Repairs 3-5TM-T88 Series Technical Manual2. Loosen the adjustment screw with a coin or flathead screw driver.3. Mo

3-6 Handling, Maintenance, and Repairs Rev. ANote:To use the printer mounted on a wall, you need the optional Wall Hanging Bracket: Model WH-10. Thi

Rev. A Handling, Maintenance, and Repairs 3-7TM-T88 Series Technical ManualTo remove it, use a flathead screw driver or similar tool.You can turn on

3-8 Handling, Maintenance, and Repairs Rev. AClearing Paper Jams CAUTIONS:Take care not to let metal objects come into contact with the thermal hea

Rev. A Handling, Maintenance, and Repairs 3-9TM-T88 Series Technical ManualMaintenance ProceduresThe inspection procedures described here are divide

3-10 Handling, Maintenance, and Repairs Rev. ACleaningThermal head CAUTIONS:❏ Turn off the printer power before cleaning.❏ Note that the thermal hea

Rev. A Handling, Maintenance, and Repairs 3-11TM-T88 Series Technical Manual CAUTION:Do not use alcohol, benzene, thinner, trychloroethylene, ketone

3-12 Handling, Maintenance, and Repairs Rev. ATool listThe required tools for this printer are as follows:❏ Brush #1❏ Cleaning brush❏ Phillips sc

iv Rev. ARevision SheetRevision Page Altered Item and ContentsRev. A

Rev. A Troubleshooting Guide 4-1TM-T88 Series Technical ManualChapter 4Troubleshooting GuideThe following tools make it easy to determine the caus

4-2 Troubleshooting Guide Rev. ATroubleshooting FlowchartsThe troubleshooting flowcharts help to locate the causes of problems that are not immediat

Rev. A Troubleshooting Guide 4-3TM-T88 Series Technical ManualReplace external power supplyNoYes1 POWER does not turn on.DC cable connection OK?

4-4 Troubleshooting Guide Rev. ACheck paper end sensorCheck near end sensor2 PAPER OUT LED does not light.Near end sensor conducting OK?YesNoOper

Rev. A Troubleshooting Guide 4-5TM-T88 Series Technical ManualRoll paper cover sensor conducting OK?NoYes3 ERROR LED is lit.Replace roll paper co

4-6 Troubleshooting Guide Rev. A4 ERROR LED is flashing.Perform necessary procedures to clear error condition. See Error types and processing sect

Rev. A Troubleshooting Guide 4-7TM-T88 Series Technical Manual Does not work at all?Output voltage of regulator circuit on main circuit bo

4-8 Troubleshooting Guide Rev. A Output voltage of regulator circuit on interface circuit board within specified range? (*)NoYesEND 6 Data from h

Rev. A Troubleshooting Guide 4-9TM-T88 Series Technical ManualError Types and ProcessingError typesErrors that automatically recoverNote: Print he

4-10 Troubleshooting Guide Rev. AErrors that are impossible to recover CAUTION:When any error shown below occurs, turn off the power as soon as poss

Rev. A vContents Chapter 1 Features and General Specifications Printer Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Rev. A Troubleshooting Guide 4-11TM-T88 Series Technical ManualPrinter Operation when an Error OccursThe printer executes the following operations

Rev. A Disassembly, Assembly, and Adjustment 5-1TM-T88 Series Technical ManualChapter 5Disassembly, Assembly, and AdjustmentBefore starting disassem

5-2 Disassembly, Assembly, and Adjustment Rev. AUsing This ManualThis section explains a number of general conventions used in this manual.TitlesThe

Rev. A Disassembly, Assembly, and Adjustment 5-3TM-T88 Series Technical ManualTM-T88 Series Disassembly, Assembly, and AdjustmentLevel 1 Disassembly

5-4 Disassembly, Assembly, and Adjustment Rev. ACase-lower-AA block1. Remove the three {CCS-tite M3x8} screws.2. Remove {IC cover}.3. Remove [case-l

Rev. A Disassembly, Assembly, and Adjustment 5-5TM-T88 Series Technical ManualCase-thermal-upper-AA1. Press the lever and open the roll paper cover.

5-6 Disassembly, Assembly, and Adjustment Rev. ACover-cutter-AADetach the two dowels and remove {cover-cutter-AA}.To install, reverse the removal pr

Rev. A Disassembly, Assembly, and Adjustment 5-7TM-T88 Series Technical ManualNote:During installation, align the two [plate-circuit board block] do

5-8 Disassembly, Assembly, and Adjustment Rev. ALevel 2 Disassembly and AssemblyCase-lower-AA blockRemove the four {rubber foot Y24N5} from {case-lo

Rev. A Disassembly, Assembly, and Adjustment 5-9TM-T88 Series Technical ManualM-T88 printer mechanism blockRemove the two {CPS-tite (O) M3x6} screws