Toshiba GD-1220, GD-1221 service manual Features

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1.3Features

•High-speed scanning

The GD-1220/1221 scan one Letter (A4) size Original page in 1.4 seconds (line density 8 dots/mm x 3.85 lines/mm) and stores it into memory.

•High-speed transmission

The GD-1220/1221 uses a V.34 modem designed for 33,600 bps communications.

•Multi-access

Using the multi-access facility, multiple processes can be performed in parallel. Functions, such as transmission reservation during reception, copying during memory transmission/ reception, etc. Maximizing the GD-1220/1221’s high-speed scanning and multi-access capabilities provides maxi- mum office productivity and efficiency. Patterns of the multi-access are as follows:

- Scan to Memory during Memory Transmission - Scan to Memory during Reception

- Scan to Memory during Substitute Reception - Copying during Memory Transmission

- Reception during Copying

- Reception during Memory printing - Reception during List printing

- Scan to Memory during Memory printing - Scan to Memory during List printing

•Laser recording on plain paper

Recording is performed on fixed sizes of paper - Ledger, Legal, Letter, Letter-R, Statement, State- ment-R, Computer, A4, A4-R (to NAD model) or A3, A4, A4-R, A5-R, B4, FOLIO, Letter, Letter-R (to MJD/AUD/ASD/SAD/TWD/CND models) - using a laser beam printer.

•Halftone system

Photographic images are clearly recorded by the 256 grayscales using the error diffusion method.

•High resolution mode

The GD-1220/1221 can transmit in ultra-fine mode (406 x 392).

•Image memory communication function

Picture data can be stored in the image memory. For a delayed transmission, the picture data cre- ated by scanning Originals is stored in the image memory and to be transmitted at the designated time.

Other memory functions include multi-address transmission, substitute reception, ECM communica- tion, etc.

The memory contents will be retained by a backup battery for up to 2 hours if a power failure occurs. The memory size is 5.7 MB.

•75 one touch keys

The remote party’s address data can be registered to a one touch key. Communication options can be registered for each address. Some one touch keys also operate as direct function access keys.

•300 abbreviated dial numbers

300 abbreviated dial numbers can be assigned in the range from No. 001 to 999.

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© 2006 - 2008 TOSHIBA TEC CORPORATION All rights reserved

GD-1220/1221

 

SPECIFICATIONS AND OUTLINE OF SYSTEM

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Contents GD-1220/1221 Page Transportation/Installation Vorsicht Important Service Parts for SafetyContents 2006 2008 Toshiba TEC Corporation All rights reserved System firmware version FAX OptionsGD-1220 GD-1221 Remarks STUDIO165/205 Available STUDIO167/207/237Specifications DBm to 0 dBm Level -55 dBm or lower cannot be detected DBm to -8 dBm The setting can be changed by 1 dBTransmission system EmbeddedComp 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 PWA-F-NCU-631 Symbol Name FunctionLayout of PC Boards FAXRecording paper size LSU-RELATED FunctionsSize Horizontal x Vertical Effective recording area Effective recording area297 x 293 x A4-R 210 x 206 x A5-R 148 x 144 x 257 x 253 x For MJD, AUD, ASD, SAD, TWD, and CND models Unit mm inchInch Feed direction Mm 0.16 inch Effective recording area Size Horizontal x Vertical Effective recording rangePrint mode Print algorithm Recording paper selection algorithm and print algorithmRecording paper selection algorithm Judgment parameter Reception print flowchart Start Receive FAXBit Discard parameter Discard printingVertical reduction print Similar reduction print RTI Scanning width For MJD, AUD, ASD, SAD, TWD, CND modelsScanning ST-R CompRecording paper range A4-R For MJD, AUD, ASD, SAD, TWD, and CND modelsRecording paper range Folio Folio *1 Recording paper range LT long Comp long LD longComp *2 Comp *1 Recording paper range A4 long B4 long A3 longError processing Order Drawer Limitations on reception printLSU-RELATED Functions Standby state Circuit Connection and Procedure to Change ModeDial call-up transmission to a telephone circuit YESTelephone circuit Selection of the communication modeProcedure to select the transmission mode Communication mode Toshiba original procedureSignal name Signal form Signaling System Diagram and Signal FormsCircuit control signals This signal can be sent manually Signal formReceiver Communication with the binary signalsImage signal Mode change is possible only for the original set manuallyFrames received Error occurred Only error frame retransmitted 1 completed 2 completedMCF CED NsfcsidisCFR Binary signals PRI-MPS PIPPIN PRI-EOMFormat When this frame is the last frame, X =FCF FIF FCS Binary signal Format FCF format of each binary signalTCF 9600 bps, 7200 bps4800 bps, 2400 bps 3 V.8/V.34 communication sequence Line closed Standard procedure Transmitter ReceiverSignal name Abbreviation Function Remarks Frequency transmission Capability Tone signal betweenHz and 3,750 Hz in units 150 HzALT TRNReceiver Maintains the synchroniza 7E H TionReceives an NSF sent from TransmitterEncoded image data Turn off Scrambled 1 is sent for Image data Image data are sent. TransmitterScrambled data frame to be Is completedInforms to disconnect the line Short training SignalPPS-EOP Transmission of one Is completedLine closed DIS cannot be recognized DIALING/COMMUNICATION Control DIALING/COMMUNICATION Control DIALING/COMMUNICATION Control DIALING/COMMUNICATION Control General functions FAX Automatic SwitchingTEL mode FAX modeDIALING/COMMUNICATION Control GD-1220/1221 ConfigurationDescription of Circuits ConfigurationEU/AU/AS/C models ATT3DB1 Line path switching control circuitSignal Name Type Active Description Destination CML1IC5 RLY3, IC3IC3 Dial pulse generation circuit Line 1 Dial Pulse Generation Signal Q53Line 1 Dial Pulse Generation Signal REVA1 Line Current Detection Signal IC23Line Reverse Current Detection Signal IC23 Line current detection circuitCurrent Reverse Line 1 Current Detection IC23 Signal Line 1 Current Detection Signal IC23CI detection circuit Line 1 CI Detect Signal IC23Line 1 CI Detection Signal IC23 FAX board Line monitor circuitLOW High Monitoring signalRinger/Alarm Line MonitorSound volume PWA-F-FAX-635 GD-1220 PC BoardsPWA-F-FAX-678 GD-1221 PWA-F-NCU-631 NAD, TWD, SAD PWA-F-NCU-631 MJD, AUD, ASD, CND Electrical Circuits Explanation to the Users InstallationInstallation
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