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Toshiba GD-1370 Service Manual

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SERVICE MANUAL
FAX BOARD
GD-1370
Model: H625
Publish Date: March 2016
File No. SME150018B0
R150521Q4002-TTEC
Ver02 F_2020_Mar

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  • Page 1 SERVICE MANUAL FAX BOARD GD-1370 Model: H625 Publish Date: March 2016 File No. SME150018B0 R150521Q4002-TTEC Ver02 F_2020_Mar...
  • Page 2 Company names and product names in this manual are the trademarks of their respective companies. © 2016-2020 Toshiba Tec Corporation All rights reserved Under the copyright laws, this manual cannot be reproduced in any form without prior written permission of Toshiba Tec Corporation.
  • Page 3 GENERAL PRECAUTIONS REGARDING THE SERVICE FOR GD-1370 The installation and service shall be done by a qualified service technician. 1. Transportation/Installation The equipment is quite heavy, therefore pay full attention when handling / transporting / installing Be sure not to hold the movable parts or units (e.g. the control panel, ADU or DF) when transporting the equipment.
  • Page 4 Avoid short-circuiting and do not use parts not recommended by Toshiba Tec Corporation. 5. Cautionary Labels During servicing, be sure to check the rating plate and cautionary labels such as “Unplug the power cable during service”, “CAUTION.

  • Page 5: Table Of Contents

    Other Information Required for Error Analysis ..............7-11 8. PRECAUTIONS FOR INSTALLATION OF FAX BOARD ..........8-1 When Replacing the Fax Board ..................8-1 After Replacing the Fax Board ..................8-1 © 2016-2020 Toshiba Tec Corporation All rights reserved GD-1370 CONTENTS...
  • Page 6 9. FIRMWARE UPDATING ....................9-1 REVISION RECORD....................... 1 GD-1370 © 2016-2020 Toshiba Tec Corporation All rights reserved CONTENTS...

  • Page 7: Specifications And Outline Of System

    8 x 3.85 lines/mm [3.85 x 8 lines/mm] rotation transmission.) Effective scanning area Original size (mm) FOLIO 355.6 351.6 431.8 427.8 Scanning direction Fig. 1-1 © 2016-2020 Toshiba Tec Corporation All rights reserved GD-1370 SPECIFICATIONS AND OUTLINE OF SYSTEM 1 - 1...
  • Page 8 24 lines/mm (96 lines/mm with the smoothing processing) (recording system) [23.1 lines/mm (92.4 lines/mm with the smoothing processing)] Vertical scanning density 23.1 lines/mm [24 lines/mm] (recording system) GD-1370 © 2016-2020 Toshiba Tec Corporation All rights reserved SPECIFICATIONS AND OUTLINE OF SYSTEM 1 - 2...

  • Page 9: Features

    Redialing When the recipient’s machine is busy during the automatic dialing, the equipment keeps dialing at a fixed interval for a specified number of times. © 2016-2020 Toshiba Tec Corporation All rights reserved GD-1370 SPECIFICATIONS AND OUTLINE OF SYSTEM 1 - 3...

  • Page 10: Accessories And Parts

    Accessories and Parts The following accessories and parts come with the fax board. Modular cable (2 m) 1 pc. Unpacking/Setup Instructions 1 set GD-1370 © 2016-2020 Toshiba Tec Corporation All rights reserved SPECIFICATIONS AND OUTLINE OF SYSTEM 1 - 4...

  • Page 11: Layout Of Pc Boards

    For connecting the cable for line1 LINE2 LINE2 connector For connecting the cable for line2 TEL connector For connecting an external telephone (EU: N/A) © 2016-2020 Toshiba Tec Corporation All rights reserved GD-1370 SPECIFICATIONS AND OUTLINE OF SYSTEM 1 - 5...
  • Page 12 GD-1370 © 2016-2020 Toshiba Tec Corporation All rights reserved SPECIFICATIONS AND OUTLINE OF SYSTEM 1 - 6...

  • Page 13: Received Image And Recording Paper Size

    > vertical reduction > regular size reduction > split. (For details, see the Discard / Vertical reduction / Regular size reduction / Split printing flow chart.) © 2016-2020 Toshiba Tec Corporation All rights reserved GD-1370...
  • Page 14 Note: Short length paper are the recording paper of A4/B5/A5/LT/ Vertical reduction printing ST against A3/B4/A4/LD/LT size originals respectively. Fig. 2-1 GD-1370 © 2016-2020 Toshiba Tec Corporation All rights reserved RECEIVED IMAGE AND RECORDING PAPER SIZE 2 - 2...
  • Page 15 B × reduction ratio A: Effective printing area length (= received image length) B: Effective printing area width (= received image width) Fig. 2-3 © 2016-2020 Toshiba Tec Corporation All rights reserved GD-1370 RECEIVED IMAGE AND RECORDING PAPER SIZE 2 - 3...
  • Page 16 A× vertical reduction ratio × vertical reduction ratio A: Effective printing area length B: Received image length - effective printing area length Fig. 2-5 GD-1370 © 2016-2020 Toshiba Tec Corporation All rights reserved RECEIVED IMAGE AND RECORDING PAPER SIZE 2 - 4...

  • Page 17: Received Image Size And Recording Paper To Be Selected

    FOLIO A5-R A5-R A5-R The left-hand side indicates the width in a horizontal direction. * Only when regular size reduction is enabled. © 2016-2020 Toshiba Tec Corporation All rights reserved GD-1370 RECEIVED IMAGE AND RECORDING PAPER SIZE 2 - 5...

  • Page 18: Others

    Adjust the discard parameter and vertical reduction parameter so that an image will not be discarded depending on the data to be received. GD-1370 © 2016-2020 Toshiba Tec Corporation All rights reserved RECEIVED IMAGE AND RECORDING PAPER SIZE 2 - 6...

  • Page 19: Energy Saving Mode

    Functions screen. * The equipment is shifted to the Sleep or Super Sleep mode depending on the installed options or the conditions of the functions used. © 2016-2020 Toshiba Tec Corporation All rights reserved GD-1370 RECEIVED IMAGE AND RECORDING PAPER SIZE...

  • Page 20: Memory Reception

    The memory reception can be performed up to 1 GB* at a maximum or done so until the HDD becomes full. * Including the transmission data GD-1370 © 2016-2020 Toshiba Tec Corporation All rights reserved RECEIVED IMAGE AND RECORDING PAPER SIZE 2 - 8...

  • Page 21: Dialing/Communication Control

    Dial call-up transmission to a telephone circuit START Detecting a calling signal? Detecting an off-hook signal? DC circuit closed After detecting the dial tone Selection signal sent out Standby state Fig. 3-1 © 2016-2020 Toshiba Tec Corporation All rights reserved GD-1370 DIALING/COMMUNICATION CONTROL 3 - 1...

  • Page 22: Lines To Be Used And Communication Mode

    3.1.3 Procedure to select the transmission mode START Other side machine has ECM communication ECM mode? Other side machine has G3 mode? G3 communication Fig. 3-2 GD-1370 © 2016-2020 Toshiba Tec Corporation All rights reserved DIALING/COMMUNICATION CONTROL 3 - 2...

  • Page 23: Signaling System Diagram And Signal Forms

    Signal name Signal form Signal form f: 2100 ±15 Hz t: 2.6 - 4.0 sec. f: 1100 ±38 Hz t: 0.5 sec ±15% (L: 3 sec.) © 2016-2020 Toshiba Tec Corporation All rights reserved GD-1370 DIALING/COMMUNICATION CONTROL 3 - 3...

  • Page 24: Communication With The Binary Signals

    Checks if there was any error in the transmission from A to FIF. • Values of F, A and C bit No. * When this frame is the last frame, X = 1. GD-1370 © 2016-2020 Toshiba Tec Corporation All rights reserved DIALING/COMMUNICATION CONTROL 3 - 4...
  • Page 25 Informs that the image signals have not been received correctly and requests for operator’s reply by telephone or to return to the beginning of the phase B to continue the communication. © 2016-2020 Toshiba Tec Corporation All rights reserved GD-1370 DIALING/COMMUNICATION CONTROL...
  • Page 26 CFR signal. Command Repeat Requests to resend all the commands including optional frames because the preceding command has been received incorrectly. GD-1370 © 2016-2020 Toshiba Tec Corporation All rights reserved DIALING/COMMUNICATION CONTROL 3 - 6...
  • Page 27 PRI-EOP The value for X is “1” for the station which received DIS. The value for X is “0” for the station which received a response signal regarding DIS. © 2016-2020 Toshiba Tec Corporation All rights reserved GD-1370 DIALING/COMMUNICATION CONTROL...
  • Page 28 Reserved (“0” is set) Reserved (“0” is set) Reserved (“0” is set) Reserved (“0” is set) Reserved (“0” is set) Reserved (“0” is set) Expansion bit (“0” is set) GD-1370 © 2016-2020 Toshiba Tec Corporation All rights reserved DIALING/COMMUNICATION CONTROL 3 - 8...
  • Page 29 Binary procedure • Transmission and reception in the G3 modes Transmitter Receiver Mode change pos s i ble Informing that there is the next page Fig. 3-5 © 2016-2020 Toshiba Tec Corporation All rights reserved GD-1370 DIALING/COMMUNICATION CONTROL 3 - 9...
  • Page 30 Transmitter Receiver 256 frames received Error occurred Only error frame retransmitted Page 1 completed Page 2 completed Fig. 3-6 GD-1370 © 2016-2020 Toshiba Tec Corporation All rights reserved DIALING/COMMUNICATION CONTROL 3 - 10...
  • Page 31 Press [Job Status], and select the transmission job to cancel, then press [Delete] on the LCD display to cancel the memory transmission or polling transmission. Transmitter Receiver [ JOB STATUS ] button [ DELETE ] button Fig. 3-7 © 2016-2020 Toshiba Tec Corporation All rights reserved GD-1370 DIALING/COMMUNICATION CONTROL 3 - 11...

  • Page 32: V.8/V.34 Communication Sequence

    After the V.34 procedure is started, the fallback for the V.34 procedure is performed. However, the fallback for the V.17 mode or lower mode is not performed. GD-1370 © 2016-2020 Toshiba Tec Corporation All rights reserved DIALING/COMMUNICATION CONTROL 3 - 12...
  • Page 33 The post-FAX transmission which is the same as that for the normal T.30 is performed at 1200 bps. Communication end procedure P3-19) Line opened Line opened Fig. 3-8 © 2016-2020 Toshiba Tec Corporation All rights reserved GD-1370 DIALING/COMMUNICATION CONTROL 3 - 13...
  • Page 34 Low frequency channel defined by the V.21 recommendation 1,080±100 Hz (980 Hz: 1, 1,180 Hz: 0) V.21 (H) High frequency channel defined by the V.21 recommendation 1,750±100 Hz (1,650 Hz: 1, 1,850 Hz: 0) GD-1370 © 2016-2020 Toshiba Tec Corporation All rights reserved DIALING/COMMUNICATION CONTROL 3 - 14...
  • Page 35 Transmission rate: 600 bps line probing signal sent from the transmitter, it informs the pre-emphasis filter and modulating speed to be used for the data transmission. © 2016-2020 Toshiba Tec Corporation All rights reserved GD-1370 DIALING/COMMUNICATION CONTROL 3 - 15...
  • Page 36 Informs the parameters used for the image transmission such as maximum data signal rate and type of the trellis coding/pre-coding. E sequence 20 bit sequence of “1”s in binary GD-1370 © 2016-2020 Toshiba Tec Corporation All rights reserved DIALING/COMMUNICATION CONTROL 3 - 16...
  • Page 37 The signal echoed back has never been misidentified as a signal sent from the other side. Therefore, this channel is not influenced by signals echoed back. © 2016-2020 Toshiba Tec Corporation All rights reserved GD-1370 DIALING/COMMUNICATION CONTROL...
  • Page 38 Image data Image data are sent. Transmitter Signal name Abbreviation Function Remarks Image data Image data Encoded image data Turn off Scrambled 1 is sent for 35 GD-1370 © 2016-2020 Toshiba Tec Corporation All rights reserved DIALING/COMMUNICATION CONTROL 3 - 18...
  • Page 39 Maintains the 7E (H) synchronization. Message confirmation Indicates that the image signal is received normally, and the receiver is ready to receive the next page. © 2016-2020 Toshiba Tec Corporation All rights reserved GD-1370 DIALING/COMMUNICATION CONTROL 3 - 19...
  • Page 40 ANSam signal which makes the receiver move to the V.8 procedure. Transmitter Receiver Line closed ( DIS cannot be recognized ) Fig. 3-9 GD-1370 © 2016-2020 Toshiba Tec Corporation All rights reserved DIALING/COMMUNICATION CONTROL 3 - 20...
  • Page 41 In the same manner as the T.30 procedure, the transmitter sends the PPS-MPS signal after sending the image data. The receiver sends the MCF signal and moves to the next page transmission. Transmitter Receiver Fig. 3-10 © 2016-2020 Toshiba Tec Corporation All rights reserved GD-1370 DIALING/COMMUNICATION CONTROL 3 - 21...
  • Page 42 The transmitter and receiver send the PPS-EOM signal and the MCF signal respectively. Then the receiver and transmitter send the DIS signal and the DCS signal respectively to change the mode. Transmitter Receiver Fig. 3-11 GD-1370 © 2016-2020 Toshiba Tec Corporation All rights reserved DIALING/COMMUNICATION CONTROL 3 - 22...
  • Page 43 The receiver sends the PPh signal responding to the Sh signal sent from the transmitter. Then, the image transmission speed is determined according to the MPh sequence sent from the both modems. Transmitter Receiver Fig. 3-12 © 2016-2020 Toshiba Tec Corporation All rights reserved GD-1370 DIALING/COMMUNICATION CONTROL 3 - 23...
  • Page 44 The transmitter sends the PPh signal after sending the image data. The receiver returns the PPh signal. Then, the image transmission speed is determined according to the MPh sequence sent from the both modems. Transmitter Receiver Fig. 3-13 GD-1370 © 2016-2020 Toshiba Tec Corporation All rights reserved DIALING/COMMUNICATION CONTROL 3 - 24...

  • Page 45: Installation

    How to correct and erase the contents of the Phone book Group registration in the phone book for the multi-transmission or multi-polling • How to output lists How to output Transmission journal and Reception journal © 2016-2020 Toshiba Tec Corporation All rights reserved GD-1370 INSTALLATION 4 - 1...
  • Page 46 GD-1370 © 2016-2020 Toshiba Tec Corporation All rights reserved INSTALLATION 4 - 2...

  • Page 47: Error Codes

    : X X X X X X X NO. FILE NO. DATE TIMED DURATION PGS DEPT MODE STATUS 12.01 09:00 00:55 ABCDG G3 xxx OK xxxx Status code Error code Fig.5-1 © 2016-2020 Toshiba Tec Corporation All rights reserved GD-1370 ERROR CODES 5 - 1...

  • Page 48: Status Code List

    8 x 15.4 ( resolution ) 14400 ( transmission speed ) For the combination of 14400 bps, 8 x 15.4 and MMR, as shown above, a status of “522” is indicated. GD-1370 © 2016-2020 Toshiba Tec Corporation All rights reserved ERROR CODES 5 - 2...

  • Page 49: Self-Diagnosis Mode

    The fax functions can be adjusted or set by means of [05 Adjustment Mode] or [13 FAX Function Mode] in [FS menu]. For details, see the “Self-diagnostic codes table”. Refer to the “Self-diagnostic code list” (separate document) about how to enter the code. © 2016-2020 Toshiba Tec Corporation All rights reserved GD-1370 SELF-DIAGNOSIS MODE...
  • Page 50 GD-1370 © 2016-2020 Toshiba Tec Corporation All rights reserved SELF-DIAGNOSIS MODE 6 - 2...

  • Page 51: Troubleshooting

    Whenever it can be obtained from the user, respond on the telephone by tracing the  P. 7-3 “7.3 Recommend Flow Chart for Telephone Screening”. © 2016-2020 Toshiba Tec Corporation All rights reserved GD-1370...

  • Page 52: Recommend Flow Chart For Field Service

    Dispatch a service technician ( Field service ) Not solved Assistance by phone for the field service technician from the remote diagnosis center Field service Fig. 7-1 GD-1370 © 2016-2020 Toshiba Tec Corporation All rights reserved TROUBLESHOOTING 7 - 2...

  • Page 53: Recommend Flow Chart For Telephone Screening

    Is original copied Is the document set correctly by Set it correctly correctly? pressing [ Start ] ? YE S Dispatch a service technician Fig. 7-2 © 2016-2020 Toshiba Tec Corporation All rights reserved GD-1370 TROUBLESHOOTING 7 - 3...
  • Page 54 Connect the applicable RJ11C connector connected to the circuit connector ( TEL/LINE ) ? Is the phone number Correct the phone correct? number Dispatch a service technician Fig. 7-3 GD-1370 © 2016-2020 Toshiba Tec Corporation All rights reserved TROUBLESHOOTING 7 - 4...
  • Page 55 Check noise on the telephone circuit or any defect of the Is the received Dispatch a service other equipment. Perform document normal? technician the communication interference test Fig. 7-4 © 2016-2020 Toshiba Tec Corporation All rights reserved GD-1370 TROUBLESHOOTING 7 - 5...

  • Page 56: Error Analysis Flow

    Then turn OFF the power and unplug the power cable. • Do not touch the terminal of the connectors. Otherwise, a poor connection may be caused. GD-1370 © 2016-2020 Toshiba Tec Corporation All rights reserved TROUBLESHOOTING 7 - 6...

  • Page 57: Fault Analysis

    (operational) fax board and check the communication condition among those three fax boards, thus analyzing the troubles. A communication error occurs between A and B. This FAX Remote FAX unit Operational FAX Fig. 7-5 © 2016-2020 Toshiba Tec Corporation All rights reserved GD-1370 TROUBLESHOOTING 7 - 7...

  • Page 58: Noise Is Heard When Monitor Dialing Transmission

    • If the noise cannot be stopped by means of this procedure, replace the fax board of the line from which the noise has occurred. GD-1370 © 2016-2020 Toshiba Tec Corporation All rights reserved TROUBLESHOOTING 7 - 8...

  • Page 59: Lists Required For A Problem In The Field

    Facsimile Information Field) The TEL format is displayed in ASCII (hexadecimal) with right justification. The first line of FIF DATA displays the communication start time. ASCII FIF converted into ASCII code is displayed. © 2016-2020 Toshiba Tec Corporation All rights reserved GD-1370 TROUBLESHOOTING 7 - 9...
  • Page 60 CODE DATA CODE DATA Fig. 7-8 Item Contents CODE The number of the Self-Diagnosis Mode (13) is displayed. DATA The setting contents are displayed in the values. GD-1370 © 2016-2020 Toshiba Tec Corporation All rights reserved TROUBLESHOOTING 7 - 10...

  • Page 61: Other Information Required For Error Analysis

    ) No paper Paper present 3rd drawer (size = ) Not installed No paper Paper present LCF 4th drawer (size = ) Not installed No paper Paper present LCF © 2016-2020 Toshiba Tec Corporation All rights reserved GD-1370 TROUBLESHOOTING 7 - 11...
  • Page 62 → Does the noise from the terminal adapter affect the line? (Connect the TA with your machine and ground it to check.) GD-1370 © 2016-2020 Toshiba Tec Corporation All rights reserved TROUBLESHOOTING 7 - 12...
  • Page 63 Settings of the Auto Power Save and Auto Shut Off FS-08-9110 (Auto-clear timer setting) = FS-08-9111 (Auto power save mode timer setting) = FS-08-9112 (Auto Shut Off timer setting (Sleep mode)) = © 2016-2020 Toshiba Tec Corporation All rights reserved GD-1370 TROUBLESHOOTING 7 - 13...
  • Page 64 GD-1370 © 2016-2020 Toshiba Tec Corporation All rights reserved TROUBLESHOOTING 7 - 14...

  • Page 65: Precautions For Installation Of Fax Board

    Be sure to perform memory initialization and destination setting. Procedure [FS-11 FAX CLEAR MODE-SETUP FAX] - Select a destination - [OK] - [OK] * An equipment will reboot. © 2016-2020 Toshiba Tec Corporation All rights reserved GD-1370 PRECAUTIONS FOR INSTALLATION OF FAX BOARD 8 - 1...
  • Page 66 GD-1370 © 2016-2020 Toshiba Tec Corporation All rights reserved PRECAUTIONS FOR INSTALLATION OF FAX BOARD 8 - 2...
  • Page 67 The firmware of this fax board can be updated by [49 Firmware update mode] in [HS menu]. For details of the updating, refer to the Service Manual for the equipment. © 2016-2020 Toshiba Tec Corporation All rights reserved GD-1370 FIRMWARE UPDATING...
  • Page 68 GD-1370 © 2016-2020 Toshiba Tec Corporation All rights reserved FIRMWARE UPDATING 9 - 2...
  • Page 69 The description has been changed. The description has been changed. The description has been added. The description has been added. The description has been changed. Ver00 Ver00<2016.03.11> Page Contents Initial release © 2016-2020 Toshiba Tec Corporation All rights reserved GD-1370...
  • Page 70 GD-1370 © 2016-2020 Toshiba Tec Corporation All rights reserved...
  • Page 72 1-11-1, OSAKI, SHINAGAWA-KU, TOKYO, 141-8562, JAPAN...

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