Fujitsu 600C Read command, ADF sequence, Step Bus phase Initiator operation Target operation

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4.4.8.3ADF sequence

Read on ADF

Read on FB

OBJECT POSITION command

(Load object)

READ command

OBJECT POSITION command

(Unload object)

Note

READ command

If the document is shorter than the window area specified by the SET WINDOW command, the deficient portion is supplemented by white data. The deficient portion is supplemented so that the data covers the entire specified window area and is transferred.

4.4.9READ command

The following table shows the normal sequence of the READ command when used with this scanner.

Table 4-21

Step

Bus phase

Initiator operation

←→

Target operation

 

 

 

 

 

1

BUS FREE

Verifies bus free

 

 

2

ARBITRATION

Obtains bus-usage right

 

 

3

SELECTION

Selects target

→

 

 

 

 

 

Drives BSY signal

4

MESSAGE OUT

Selects logical unit

→

 

5

COMMAND

Specifies READ (CDB)

→

Reads document

6

DATA IN

 

←

Transfer image data

7

STATUS

 

←

Reports GOOD status

8

MESSAGE IN

 

←

Reports message (Command Complete)

 

 

 

 

Releases BSY signal

9

BUS FREE

 

 

 

4-46

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Contents Version Page Table of Contents Diagnostics Group 3 error flowchart no paper in ADF paper tray Page General GeneralSystem Block Diagram Device Configuration Outer ViewComponents Functional Specifications Functional Specifications RemarksEnvironmental Specifications Environmental Specifications RemarksOperation Removing the Shipping BracketRemove the shipping retainer Fasten the shipping retainer Power On/Off Indication PanelScsi ID setting Setting the Scsi ID and Connecting the Interface CableNames and functions of the indicators Name Color FunctionScsi Cable Connection Position Paper conditions Paper SpecificationsPaper Size 2.1 ADFFIatbed Items to avoidReadable area ADF readable areaFlatbed Document Setting MethodWhen the document size is of letter/A4 size or smaller 2 ADF When the document is a thick bookSetting the ADF paper chute Placing the documents on the ADF paper chute Placing the document on the ADF paper chuteAngling the document sheets Separating the sheets for easy feedingCleaning Cleaning the document cover and the document glassCleaning inside the ADF Page Interface ∙ Busy ∙ Check Condition ∙ Good ∙ Reservation Conflict Physical Specifications Connection1SCSI physical specifications Physical SpecificationSpecifications TerminationSignal Name Pin Number Pin assignmentsScsi Bus System configurationSystem configuration Addresses of Scsi devicesBus signals 2Bus signalsBus signal drive conditions 3Bus phases vs. signal drive sources 1/2Or connection Nonor connection Bus PhasesMethod of driving the interface signal 5Signal delay times definition Time Definition Time Definition BUS Free phaseSignal delay times definition Arbitration phase BSY Scsi SEL Selection phase DB7 to 9,P Transfer Direction Information Transfer phasesInformation Transfer phase type Phase Asynchronous information transfer Asynchronous transfer from target to initiatorAsynchronous transler from initiator to target Control byte is not supported CommandsRelative addressing is not supported Operation Command Code hex Description Reserve Unit commandCommands Bit and field described as Reserved areTpid third party device ID Byte Reserve Unit command Command phase initiator Õ targetTP third party Byte TP third party Byte Release Unit commandRelease Unit command Command phase initiator → target 10 Inquiry command Inquiry commandInquiry command Command phase initiator → target Step Bus phase Initiator operation Target operationCAllocation length Byte Evpd enable vital product data ByteCode Byte Inquiry data Data in phase target → initiator AencColor mode Byte 24, bit 6 to SftRst Soft Reset ByteADF mode Byte 24, bit ISO version, Ecma version, Ansi approved version Byte11 Request Sense command Request Sense commandRequest Sense command Command phase initiator → target Allocation length Byte Sense data Data EN phase target → initiatorError code Byte Valid ByteEOM end of medium Byte ILI incorrect length indicator ByteFM file mark Byte Sense key ByteSense Additional Description Send Diagnostic commandCommand-specific information bytes Bytes 8 to B Sense codeSlftst selftest Byte Send Diagnostic command Command phase initiator → targetPF page format Byte Results of self-test Test Unit Ready commandContents of self-test Test Unit Ready command Command phase initiator → target AcknowledgmentSET Window command SET Window command Command phase initiator → targetHeader Window date Data OUT phase initiator → targetTransfer Length Bytes 6 to Window descriptor block Auto Byte Y resolution XR, YR Bytes 2 to 3 and 4 toWindow identifier Byte Upper left X,YULX, ULY Bytes 6 to 9, a to DBrightness Byte RemarksBit ordering Bytes 1E to 1F Bit per pixel Byte 1ARIF reverse image format Byte 1D, bit Halftone pattern Bytes lB to 1C lB reservedCompression type, argument Bytes 20 to Update of ScanPartner 600C OEM manual7.4 B&W Scanning Vender unique parameters 18 Vender unique parameters byte 28 and laterPage ADF Byte 2A, Bit Color Scanning Vender unique parameters19 Vendor unique parameters byte 28 and later Source Byte 2A, BitLine width Byte 2D to 2E Highlight value Byte 2BShadow value Byte 2C Line count Byte 2F toObject Position command Bit Object Position command Command phase initator → targetPosition type Byte Count Bytes 2 to Unload objectLoad object NormalADF sequence Read commandStep Bus phase Initiator operation Target operation Data type qualifier Bytes 4 to Read command Command phase initiator → targetData type code Byte Transfer length TL Bytes 6 toFor binary data Data in phase target → initiatorImage data Data Type Code = Pixel size data Data Type Code =Scan command Scan Command phase initiator → targetStatus Status phase target initiator Code Status of unitATN detection Phase ATN detection timingMessages Message Command Complete X00 Message in phase target → initiatorMessage types ATN detection phase Action Abort X06 Message OUT phase initiator → targetMessage Reject X07 Message IN/OUT phase initiator → target Phase when ATN is detected Action No Operation X08 Message OUT phase initiator → targetBUS Device Reset X0C Message OUT phase initiator → target Message rejected ActionIdendify X80 to XFF Message OUT phase initiator → target Command Sequence Initial sequenceRead sequence Read command sequenceRead sequence for B&W mode Single ReadMultiple Read Status Transition of Logical Unit Error Table Sense keyItems for Specifying Window Page Online diagnostics Online diagnosticsReady LED Paper Jam LED Error indication Offline diagnostics Offline diagnostics resultsGroup 2 error flowchart Flatbed/ADF motor Diagnostic flowchartsGroup 1 error flowchart Lamp assembly Group 3 error flowchart paper in ADF paper tray Group 3 error flowchart no paper in ADF paper tray
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