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GD-1370

TROUBLESHOOTING

7 - 1

7. TROUBLESHOOTING

7.1

Screening Over Telephone

Most problems end users inquire are the results of the following. Therefore, ask the nature of the
trouble (in detail) first to seek the cause.

• Simple misoperation

A trouble caused by a simple misoperation can be solved by the user alone with appropriate
instructions through the telephone.

• A failure with the telephone line

The machine condition can be checked by the user’s operating sending/receiving documents to/
from another facsimile.

• A failure with the recipient’s machine

The recipient’s machine condition can be checked by the user’s operating sending/receiving
documents by using another machine.

Also, by verifying the error message in the LCD or the error code on the Journal with the user, the
nature of the trouble can be confirmed. 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”.

Содержание GD-1370

Страница 1: ...SERVICE MANUAL FAX BOARD GD 1370 Model H625 Publish Date March 2016 File No SME150018B0 R150521Q4002 TTEC Ver02 F_2020_Mar ...

Страница 2: ...n 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 ...

Страница 3: ...asonic humidifier and they will adhere to electric parts and optical parts in the MFP This could cause malfunctions When you find it explain its risk to your customer 2 General Precautions at Service Be sure to turn the power OFF and unplug the power cable during service except for the service should be done with the power turned ON After the power cable is disconnected an electric charge may rema...

Страница 4: ... or fire resulting from the damage to the harness covering or conduction blockage To avoid this be sure to wire the harness in the same way as that before disassembling when the equipment is assembled disassembled 3 General operations Check the procedures and perform them as described in the Service Manual Make sure you do not lose your balance Avoid exposure to your skin and wear protective glove...

Страница 5: ...ling System Diagram and Signal Forms 3 3 3 2 1 Circuit control signals 3 3 3 2 2 Communication with the binary signals 3 4 3 2 3 V 8 V 34 communication sequence 3 12 4 INSTALLATION 4 1 4 1 Explanation to the Users 4 1 5 ERROR CODES 5 1 5 1 Transmission Reception Journal 5 1 5 2 Status Code List 5 2 6 SELF DIAGNOSIS MODE 6 1 7 TROUBLESHOOTING 7 1 7 1 Screening Over Telephone 7 1 7 2 Recommend Flow ...

Страница 7: ...Main system Type Desktop type transceiver Operation Transmission Manual Automatic Reception Manual Automatic Including automatic calling to a facsimile communication network B Scanning system Scanning density The values in are at the rotation transmission Horizontal direction 16 lines mm 8 lines mm 15 4 lines mm 7 7 lines mm 3 85 lines mm Vertical direction 15 4 lines mm 7 7 lines mm 3 85 lines mm...

Страница 8: ... only 15 4 lines mm Same as on the left Encoding system MH MR MH MR MMR JBIG Transmission speed image signal and modulation method 14 4 k 12 k 9600 7200 4800 2400 bps Conformance to V 17 V 29 V 27 ter 33 6 k 31 2 k 28 8 k 19 2 k 16 8 k 14 4 k 12 k 9600 7200 4800 2400 bps Control signal 300 bps V 21 2400 1200 600 300 bps V 34 V 8 V 21 Transmission control procedure Conformance to T 30 Same as on th...

Страница 9: ...images so that they are changed from 8 x 3 85 8 x 7 7 8 x 15 4 or 16 x 15 4 to 24 x 92 4 lines mm equivalent to 600 x 2400 dpi then printed out Duplex transmission when a DF is installed Duplex transmission is possible Duplex printing Duplex printing of received data is possible Fax data file storage capacity 1 GB sum of transmission and reception Notes For hard disks GB means 1 billion bytes Mult...

Страница 10: ...er information Function list Transmission journal and Reception journal can be printed out Energy Saver Data can be received during the Super Sleep mode Mailbox transmission Relay station mailbox transmission and mailbox transmission reception using the mailbox are possible Drawer selection A drawer to use for printing received fax images can be selected 1 4 Accessories and Parts The following acc...

Страница 11: ...PC Boards FAX2 FAX1 SYS LINE1 TEL LINE2 Fig 1 2 Symbol Name Function FAX1 Fax board Fax modem for 1st line FAX2 MDM board Fax modem for 2nd line LINE1 LINE1 connector For connecting the cable for line1 LINE2 LINE2 connector For connecting the cable for line2 TEL TEL connector For connecting an external telephone EU N A ...

Страница 13: ...ed on the recording paper 2 1 1 Recording paper selection algorithm It is possible to distinguish the size of each received image A3 B4 A4 B5 A5 FOLIO LD LG LT ST COMP Basically printing is performed on the recording paper whose size is the same as the one for the received image If such recording paper is not available a larger one is selected If neither of them is available recording paper is sel...

Страница 14: ...discarding within the range Discard printing actual size Vertical reduction function ON Reduction ratio R is calculated by means of the size of the received image R within the max reduction ratio Vertical reduction printing Normal printing actual size Is a smaller size of recording paper available Regular size reduction function ON Recording paper has run out Is a larger size of recording paper av...

Страница 15: ...ved 2 Vertical reduction printing FS 13 377 Reduced printing in vertical direction FS 13 379 Maximum reduction ratio in vertical direction The received image is reduced to 75 or 90 only in the vertical direction 3 Regular size reduction printing FS 13 517 Regular reduction printing The received image is reduced by regular to regular to print it in one page The combination of regular size reduction...

Страница 16: ... even if 75 vertical reduction has been applied A C B D A reduction ratio C reduction ratio B reduction ratio D reduction ratio A Effective printing area length B Effective printing area width C Received image length D Width of a regular size when C is taken as the long side Reduction ratio A C Fig 2 4 4 Split printing When the received image cannot be printed on one page with the largest size of ...

Страница 17: ...per with a larger size and the same direction as those for the received image 2 2 1 Table of the recording paper selection mode For the recording paper size to be selected and the priority when FS 13 377 Reduced printing in vertical direction is enabled see the table below A3 A4 A4 A5 A5 R A5 R A5 R A5 R A5 R A4 R A4 R A4 A4 R A4 A4 R A4 R A4 R A4 R A4 A4 R B4 A3 B4 B4 B5 B5 R A4 R A4 B5 B5 B5 B5 ...

Страница 18: ...ter Letter Ledger COMP Ledger COMP Legal 1 2 3 4 5 6 COMP Ledger COMP Legal The left hand side indicates the width in a horizontal direction When regular size reduction is enabled When vertical reduction printing is enabled GD 1370 2016 2020 Toshiba Tec Corporation All rights reserved RECEIVED IMAGE AND RECORDING PAPER SIZE 2 6 2 2 2 Others Adjust the discard parameter and vertical reduction param...

Страница 19: ... Energy Saving mode and time start and end time are made on the USER FUNCTIONS screen The default setting is made by the weekly timer function of the equipment Energy Saving Mode How to enter the mode Timer setting Auto Power Save Mode Automatically This can be set in the User Functions screen Sleep Mode Automatically or by pressing the ENERGY SAVER button This can be set in the User Functions scr...

Страница 20: ...APER SIZE 2 8 2 4 Memory Reception The received fax data are stored once in the HDD memory reception Then they are printed after the reception process is finished 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 ...

Страница 21: ...OMMUNICATION CONTROL 3 1 Circuit Connection and Procedure to Change Mode 3 1 1 Dial call up transmission to a telephone circuit START END Detecting a calling signal Detecting an off hook signal DC circuit closed After detecting the dial tone Selection signal sent out Standby state NO NO YES YES NO YES Fig 3 1 ...

Страница 22: ...e The equipment supports two types of the communication modes There is no limitation in the combinations with the lines to be used Communication mode ECM G3 Telephone line 3 1 3 Procedure to select the transmission mode YES YES NO START ECM communication G3 communication Other side machine has ECM mode Other side machine has G3 mode Fig 3 2 ...

Страница 23: ...n the binary and tonal procedures Circuit control signals CED Called station identification Indicates that the sender is a fax machine in the automatic called mode 1 CNG Calling tone Indicates that the sender is a fax machine in the automatic calling mode 1 1 This signal can be sent manually Signal form Signal name Signal form Signal form CED f t f 2100 15 Hz t 2 6 4 0 sec CNG f t f t L f 1100 38 ...

Страница 24: ...lities frame Binary code data Preamble Preamble Fig 3 3 2 Outline of the fields Explanation of the symbols F Flag sequence Indicates the start or end of a frame Also establishes the frame synchronization A Address field Informs the address C Control field Informs if this frame is the last one in this procedure FCF FAX control field Informs the type of the binary signal FIF FAX information field In...

Страница 25: ... in side SEP Select Polling Indicates that the FIF information is a sub address for the polling mode PWD Password Indicates that the FIF information is a password for the polling mode in a reception Indicates that the FIF information is a password for transmission in a transmission CFR Confirmation of Reception Informs that the FAX is ready to receive data FTT Failure to Train Informs that the TCF...

Страница 26: ...to be corrected in the FIF information PPS Partial Page Signal Informs that a part of page ECM block or one page has been transmitted ECM mode CTC Continue to Correct Replies to the 4th PPR which requests to correct the image signal informs that the transmitting station will continue to correct the frame data ECM mode CTR Response for Continue to Correct Replies to CTC and informs that the receivi...

Страница 27: ...1 0 0 0 1 0 1 CFR X 0 1 0 0 0 0 1 FTT X 0 1 0 0 0 1 0 EOM X 1 1 1 0 0 0 1 MPS X 1 1 1 0 0 1 0 EOP X 1 1 1 0 1 0 0 MCF X 0 1 1 0 0 0 1 RTN X 0 1 1 0 0 1 0 PIP X 0 1 1 0 1 0 1 PIN X 0 1 1 0 1 0 0 PRI EOM X 1 1 1 1 0 0 1 PRI MPS X 1 1 1 1 0 1 0 PRI EOP X 1 1 1 1 1 0 0 DCN X 1 0 1 1 1 1 1 RR X 1 1 1 0 1 1 0 RNR X 0 1 1 0 1 1 1 PPR X 0 1 1 1 1 0 1 PPS X 1 1 1 1 1 0 1 CTC X 1 0 0 1 0 0 0 CTR X 0 1 0 0 0...

Страница 28: ...Length Called Subscriber ID frame Digital Identiﬁcation frame Non Standard Facilities frame Binary code data ECM only Preamble Preamble Length 8bit No of pages 16bit Page info 8bit Fig 3 4 Page info bit No Explanation 1 0 Front side 1 Back side 2 Reserved 0 is set 3 Reserved 0 is set 4 Reserved 0 is set 5 Reserved 0 is set 6 Reserved 0 is set 7 Reserved 0 is set 8 Expansion bit 0 is set ...

Страница 29: ... 5 Binary procedure Transmission and reception in the G3 modes Transmitter Receiver Mode change possible Image signal Image signal Image signal Informing that there is the next page CED CFR MCF MCF MCF NSF CSI DIS NSS TSI DCS NSF CSI DIS NSS TSI DCS EOM Training CFR MPS EOP DCN Training CNG Fig 3 5 ...

Страница 30: ...e data the receiving station informs the sending station of the occurrence of the error and the sending station sends the image data again Transmitter Receiver Image signal Image signal Image signal retransmitted Image signal 256 frames received Error occurred Only error frame retransmitted Page 1 completed Page 2 completed CED NSF CSI DIS NSS TSI DCS Training CFR MCF MCF MCF PPS MPS PPS NULL PPS ...

Страница 31: ...ardless of the presence absence of the next page or mode changes by pressing Stop If Stop is pressed anytime except during the transmission of the image data DCN is forcibly sent to terminate the communication 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 CED NSF CSI DIS NSS TSI ...

Страница 32: ...ble 33 6 kbps 31 2 kbps 28 8 kbps 26 4 kbps 24 0 kbps 21 6 kbps 19 2 kbps 16 8 kbps 14 4 kbps 12 0 kbps 9 6 kbps 7 2 kbps 4 8 kbps 2 4 kbps The modulating speed baud rate 4 can be selected from 2 400 3 000 3 200 symbol sec mandatory or 2 800 3 429 symbol sec option The data rate can be set more accurately than the conventional modem 1 A signal is sent while raising the output level in the high fre...

Страница 33: ...image transmission speed the transmitter sends a training signal The optimum image transmission speed is determined according to the training signal received The training signal is sent with the determined parameter then the image data are sent Transmitter Receiver Line opened Line closed Line opened After the information about the modem capa bility is exchanged the receiver determines the modulat...

Страница 34: ...the detection of the JM signal and the termination of the CM signal Modulated by V 21 L 1 Transmission rate 300 bps Call Indicator signal CI Indicates the general communication functions It is sent when the V 8 procedure is restarted For the late start only P 3 20 Modulated by V 21 L 1 Transmission rate 300 bps Receiver Signal name Abbreviation Function Remarks Answer amplitude tone ANSam 2100 Hz ...

Страница 35: ...nal B is a signal that shifts the phase B 180 Tone B B Line probing signal L1 L1 Sends a tone signal to analyze the line characteristics by probing Probing is to examine the line characteristics Tone signal between 150 Hz and 3 750 Hz in units of 150 Hz Line probing signal L2 L2 Receiver Signal name Abbreviation Function Remarks INFO sequence INFO0a Informs the modem capability such as the modulat...

Страница 36: ... modem of the receiver to train the equalizer TRN signal TRN Used by the receiver to determine the transmission rate Final training Phase 4 The settings such as the maximum value for the data rate selection of the trellis encoder and data rate which can be supported are made in this phase Transmitter receiver Signal name Abbreviation Function Remarks PPh signal PPh Used by the modem of the other s...

Страница 37: ...speed procedure 1 is sent continuously Receiver Signal name Abbreviation Function Remarks Non Standard Facilities NSF Informs the presence of the facilities other than those recommended by ITU T abbreviated user names and manufacturer codes etc Called Subscriber ID CSI Informs the telephone number of the receiver Digital Identification Signal DIS Informs the standard facilities recommended by ITU ...

Страница 38: ...ame Abbreviation Function Remarks S signal S Short training S is a signal that makes a transition from phase S S signal S PP signal PP Used by the modem of the receiver to train the equalizer B1 sequence B1 Scrambled data frame to be sent when the startup process is completed Image data Image data are sent Transmitter Signal name Abbreviation Function Remarks Image data Image data Encoded image da...

Страница 39: ...l Sh ALT signal ALT E sequence E End of procedure signal PPS EOP The transmission of one page is completed Flag flags Maintains the synchronization 7E H Disconnection signal DCN Informs to disconnect the line Receiver Signal name Abbreviation Function Remarks Sh signal Sh Short training Sh signal Sh ALT signal ALT E sequence E Flag flags Maintains the synchronization 7E H Message confirmation MCF ...

Страница 40: ...ls in the procedure Late start The receiver cannot detect the CM signal while it is sending the ANSam signal Therefore it sends the DIS signal to inform the availability of V 8 support The transmitter sends the CI signal that causes the receiver to send another ANSam signal which makes the receiver move to the V 8 procedure Transmitter Receiver Line closed DIS cannot be recognized Fig 3 9 ...

Страница 41: ...ALING COMMUNICATION CONTROL 3 21 Multi page sequence 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 ...

Страница 42: ...IALING COMMUNICATION CONTROL 3 22 Mode change 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 ...

Страница 43: ...ONTROL 3 23 Change of the image transmission speed by the receiver 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 ...

Страница 44: ...24 Change of the image transmission speed by the transmitter 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 ...

Страница 45: ...hod Manual transmission Monitor dialing Direct dialing with the digital keys Phone book dialing Delayed transmission Multi transmission Redialing Recording paper size Recording paper size How to change the recording paper size Automatic manual reception How to switch the automatic and manual reception How the machine works and how to operate it when a fax is received in these modes Other functions...

Страница 47: ...ilable in the following page For the error code list refer to 8 2 10 Fax error of the Service Manual of the equipment The reception journal is output in the same form TRANSMISSION JOURNAL TIME MM DD YY TIME TEL NO 1 XXXXXXXXX TEL NO 2 XXXXXXXXX NAME X X X X X X X NO FILE NO DATE TIMED DURATION PGS TO DEPT MODE STATUS 001 001 12 01 09 00 00 55 2 ABCDG G3 xxx OK xxxx Status code Error code Fig 5 1 ...

Страница 48: ... system 0 2400 8 x 3 85 MH 1 4800 8 x 7 7 MR 2 7200 8 x 15 4 MMR 3 9600 JBIG 4 12000 16 x 15 4 5 14400 6 V 34 7 8 300 x 300 9 A B C D E F Example of the indication of a status code 522 MMR encoding system 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 ...

Страница 49: ...nctions can be adjusted or set by means of FS menu Adjustment and function setting 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 ...

Страница 51: ... the telephone A failure with the telephone line The machine condition can be checked by the user s operating sending receiving documents to from another facsimile A failure with the recipient s machine The recipient s machine condition can be checked by the user s operating sending receiving documents by using another machine Also by verifying the error message in the LCD or the error code on the...

Страница 52: ...ow Chart for Field Service Call from customer Telephone screening Dispatch a service technician Field service Assistance by phone for the field service technician from the remote diagnosis center Field service Not solved Not solved Trouble solved Unnecessary to dispatch a service technician Fig 7 1 ...

Страница 53: ...per or document Is a communication journal printed out Is the recording paper set correctly Is original copied correctly by pressing Start Is the document set correctly Is the power cable properly plugged in Is ADD PAPER dis played on the LCD Plug it in properly Dispatch a service technician Dispatch a service technician Dispatch a service technician Set the recording paper 1 Set it correctly Set ...

Страница 54: ...monitor dialing possible Is the dial type correct Is inapplicable RJ11C connector connected to the circuit TEL LINE Is the phone number correct Dispatch a service technician Dispatch a service technician Use the specified recording paper Select the correct dial type DP PB in the Function Mode Connect the applicable connector Correct the phone number GD 1370 2016 2020 Toshiba Tec Corporation All ri...

Страница 55: ...eption Mode Is the received document normal 2 Check the error code and dispatch a service technician 3 3 Dispatch a service technician Dispatch a service technician Dispatch a service technician Transmission is not possible if the receiving side is using G2 or MF machine Check noise on the telephone circuit or any defect of the other equipment Perform the communication interference test 7 2016 202...

Страница 56: ...ng the diagnosis turn OFF the power and check the following items Confirm that the power cable is properly plugged in Confirm that all connectors are securely connected Pay full attention to avoiding an electric shock at the power section and a short circuit of the conductor pattern on the board when servicing with the power cable connected to the outlet while the cover is taken off When the error...

Страница 57: ...SYS board 7 5 2 Original transport error for the RADF or DSDF If an original is misfed in its transport path remove it If this error occurs frequently refer to the troubleshooting of the Service Manual for the equipment 7 5 3 Recording paper transport error If a recording paper is misfed in its transport path remove it If this error occurs frequently refer to the troubleshooting of the Service Man...

Страница 58: ... from the speaker If this has occurred due to the condition of the line the noise will be able to be prevented by changing the address of the line and the setting of the data Notes Confirm that the version of the fax firmware is the latest one 1 Enter into the FS FAX 19 RAM EDIT MODE 2 Select the line of which the noise has occurred 3 Press Address Enter 5600 and press OK 4 Press Data Enter 0AF1 a...

Страница 59: ...t Line 1 and Line 2 Fax protocols for the latest one communication can be obtained The figure below is for the Line 1 The difference in the format between the Line 1 and the Line 2 is just LINE X which is added to the end of the list title PROTOCOL TRACE LIST LINE 1 ROM VER XXXXXX XXXXXX TIME MM DD YY HH MM FAX NO 1 XXXXXXXXX FAX NO 2 XXXXXXXXX IP FAX NO XXXXXXXXX NAME XXXXXXX TIME S R FCF DATA FI...

Страница 60: ... 7 7 Item Contents TRANSMISSION or RECEPTION The communication status is displayed in TRANSMISSION or RECEPTION STATUS All the fax related error codes occurring at transmission or reception are displayed irrespective of whether an error actually occurred COUNTER Against the error codes displayed in STATUS the count of the number of errors occurring at transmission or reception is displayed 3 Funct...

Страница 61: ...rn OFF the circuit monitoring function after the checking is finished Signals from the transmitter and that from the receiver clash Check the model name of the other side machine Noise has occurred on the circuit Ask the telephone or telecommunications company if the line condition is normal Busy tone is heard from the other side machine during the communication Ask by phone if the other side mach...

Страница 62: ...and the memory is full Check the condition of the other side machine If there is no problem with the machine check the model name since there is a possibility that particular model has caused the problem Original size A3 B4 A4 B5 A5 LD COMP LG LT ST Received document size A3 B4 A4 B5 A5 LD COMP LG LT ST Resolution NORMAL 8 x 3 85 FINE 8 x 7 7 U FINE 16 or 8 x 15 4 Total number of sheets of the com...

Страница 63: ...e system telephones modems etc 7 2016 2020 Toshiba Tec Corporation All rights reserved GD 1370 TROUBLESHOOTING 7 13 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 ...

Страница 65: ...ION OF FAX BOARD 8 1 When Replacing the Fax Board When two lines are installed be sure to handle line 1 and 2 correctly Line1 LED OFF Line2 LED ON 8 2 After Replacing the 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 ...

Страница 67: ...tion All rights reserved GD 1370 FIRMWARE UPDATING 9 1 9 FIRMWARE UPDATING 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 ...

Страница 69: ...s been corrected Ver01 Ver01 2017 07 14 Page Contents Trademarks The description has been deleted GENERAL PRECAUTIONS REGARDING THE SERVICE FOR GD 1370 The description has been deleted 1 5 The description has been deleted 1 6 The description has been deleted 2 3 The description has been corrected 2 8 The description has been deleted 3 9 The description has been corrected 3 10 The description has b...

Страница 71: ......

Страница 72: ...1 11 1 OSAKI SHINAGAWA KU TOKYO 141 8562 JAPAN ...

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