Toshiba GD-1221, GD-1220 service manual

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© 2006 - 2008 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. No patent liability is assumed, however, with respect to the use of the information contained herein.

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Contents GD-1220/1221 Page Transportation/Installation Important Service Parts for Safety VorsichtContents 2006 2008 Toshiba TEC Corporation All rights reserved STUDIO165/205 Available STUDIO167/207/237 FAX OptionsGD-1220 GD-1221 Remarks System firmware versionSpecifications Embedded DBm to -8 dBm The setting can be changed by 1 dBTransmission system DBm to 0 dBm Level -55 dBm or lower cannot be detectedComp Dimension width x length Printing areaFolio Features Specifications and Outline of System 08/08 Accessory Qty Accessories and PartsFollowing accessories and parts come with the FAX unit Option Function Model Extends the FAX functions when the FAX unit is installedOptions ADF Radf System ListNA/EU/AU/TW Units and Components FAX Symbol Name FunctionLayout of PC Boards PWA-F-NCU-631LSU-RELATED Functions Recording paper sizeEffective recording area Size Horizontal x Vertical Effective recording areaSize Horizontal x Vertical Effective recording range For MJD, AUD, ASD, SAD, TWD, and CND models Unit mm inchInch Feed direction Mm 0.16 inch Effective recording area 297 x 293 x A4-R 210 x 206 x A5-R 148 x 144 x 257 x 253 xPrint mode Print algorithm Recording paper selection algorithm and print algorithmRecording paper selection algorithm Reception print flowchart Start Receive FAX Judgment parameterDiscard printing Bit Discard parameterVertical reduction print Similar reduction print RTI ST-R Comp For MJD, AUD, ASD, SAD, TWD, CND modelsScanning Scanning widthRecording paper range A4-R For MJD, AUD, ASD, SAD, TWD, and CND modelsRecording paper range Recording paper range A4 long B4 long A3 long Recording paper range LT long Comp long LD longComp *2 Comp *1 Folio Folio *1Error processing Limitations on reception print Order DrawerLSU-RELATED Functions YES Circuit Connection and Procedure to Change ModeDial call-up transmission to a telephone circuit Standby stateCommunication mode Toshiba original procedure Selection of the communication modeProcedure to select the transmission mode Telephone circuitThis signal can be sent manually Signal form Signaling System Diagram and Signal FormsCircuit control signals Signal name Signal formMode change is possible only for the original set manually Communication with the binary signalsImage signal ReceiverOnly error frame retransmitted 1 completed 2 completed Frames received Error occurredMCF CED NsfcsidisCFR Binary signals PRI-EOM PIPPIN PRI-MPSFormat When this frame is the last frame, X =FCF FIF FCS FCF format of each binary signal Binary signal FormatTCF 9600 bps, 7200 bps4800 bps, 2400 bps 3 V.8/V.34 communication sequence Standard procedure Transmitter Receiver Line closedSignal name Abbreviation Function Remarks 150 Hz Tone signal betweenHz and 3,750 Hz in units Frequency transmission CapabilityTRN ALTTransmitter Maintains the synchroniza 7E H TionReceives an NSF sent from ReceiverIs completed Image data Image data are sent. TransmitterScrambled data frame to be Encoded image data Turn off Scrambled 1 is sent forTransmission of one Is completed Short training SignalPPS-EOP Informs to disconnect the lineLine closed DIS cannot be recognized DIALING/COMMUNICATION Control DIALING/COMMUNICATION Control DIALING/COMMUNICATION Control DIALING/COMMUNICATION Control FAX mode FAX Automatic SwitchingTEL mode General functionsDIALING/COMMUNICATION Control Configuration GD-1220/1221Configuration Description of CircuitsEU/AU/AS/C models CML1 Line path switching control circuitSignal Name Type Active Description Destination ATT3DB1IC5 RLY3, IC3IC3 Line 1 Dial Pulse Generation Signal Q53 Dial pulse generation circuitLine 1 Dial Pulse Generation Signal Line current detection circuit Line Current Detection Signal IC23Line Reverse Current Detection Signal IC23 REVA1Line 1 Current Detection Signal IC23 Current Reverse Line 1 Current Detection IC23 SignalLine 1 CI Detect Signal IC23 CI detection circuitLine 1 CI Detection Signal IC23 Line monitor circuit FAX boardLine Monitor Monitoring signalRinger/Alarm LOW HighSound volume PC Boards PWA-F-FAX-635 GD-1220PWA-F-FAX-678 GD-1221 PWA-F-NCU-631 NAD, TWD, SAD PWA-F-NCU-631 MJD, AUD, ASD, CND Electrical Circuits Installation Explanation to the UsersInstallation

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