Fujitsu Scan Partner 300C Instruction Manual
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Fujitsu Scan Partner 300C Instruction Manual

Fujitsu Scan Partner 300C Instruction Manual

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Fujitsu
S
P
can
artner 300C
OEM Manual
Version 1.0
Fujitsu Inc.

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  • Page 1 Fujitsu artner 300C OEM Manual Version 1.0 Fujitsu Inc.

  • Page 2: Table Of Contents

    Table of Contents 1. GENERAL.................................1-1 1.1 G ................................1-1 ENERAL 1.2 D ............................1-3 EVICE ONFIGURATION 1.2.1 Outer View..............................1-3 1.2.2 Components..............................1-4 2. SPECIFICATIONS ..............................2-1 2.1 F ..........................2-1 UNCTIONAL PECIFICATIONS 2.2 E ..........................2-2 NVIRONMENTAL PECIFICATIONS 3. OPERATION ................................3-1 3.1 R .........................3-1 EMOVING THE HIPPING RACKET 3.2 P...
  • Page 3 4.4 C ................................4-18 OMMANDS 4.4.1 RESERVE UNIT command..........................4-19 4.4.1.1 RESERVE UNIT command: COMMAND phase (initiator Õ target).................4-20 4.4.2 RELEASE UNIT command..........................4-21 4.4.2.1 RELEASE UNIT command: COMMAND phase (initiator → target).................4-21 4.4.3 INQUIRY command ............................4-22 4.4.3.1 INQUIRY command: COMMAND phase (initiator → target) ...................4-22 4.4.3.2 Inquiry data: DATA IN phase (target →...
  • Page 4 4.10 I .........................4-61 TEMS FOR PECIFYING INDOW 5. DIAGNOSTICS.................................5-1 5.1 O .............................5-1 NLINE DIAGNOSTICS 5.2 O ............................5-2 FFLINE DIAGNOSTICS 5.3 D ............................5-3 IAGNOSTIC FLOWCHARTS 5.3.1 Group 1 error flowchart (Lamp assembly).......................5-3 5.3.2 Group 2 error flowchart (Flatbed/ADF motor)....................5-3 5.3.3 Group 3 error flowchart (paper in ADF paper tray)..................5-4 5.3.4 Group 3 error flowchart (no paper in ADF paper tray) ...................5-5...

  • Page 5: General

    SCSI interface. On the standard flat-bed, the Scan Partner 300C can scan a single loose page or a single page of a bound book. The standard flat-bed can accommodate a letter size/A4 page.
  • Page 6 To host 110/220 VAC Power supply SCSI controller Control LED display section Mainboard Sensor input Video Circuit ADF section ADF motor ADF sensor Flatbed Optical unit motor Inverter Lamp unit Figure 1-1 System Block Diagram...

  • Page 7: Device Configuration

    1.2 Device Configuration 1.2.1 Outer View Figure 1.2 shows the outer view and device configuration of the ScanPartner 300C/OEM SP300C. Figure 1-2 ScanPartner 300C Outer View...

  • Page 8: Components

    1.2.2 Components 1. Document Cover The document cover holds the document in place during scanning so that the document does not move. 2. Document glass Place the document to be read on the document glass. 3. Automatic document feeder (ADF) The automatic document feeder (ADF) feeds documents in the scanner automatically.

  • Page 9: Specifications

    2. Specifications Functional Specifications Environmental Specifications 2.1 Functional Specifications Table 2.1 lists the functional specifications. Table 2-1 Functional Specifications Item Specifications Remarks Technology CCD linear image sensor 3 MHz Operating method Flatbed scanning/ADF scanning Maximum document size Legal (11x14) for ADF Letter/A4 for flatbed Light source Cold cathode fluorescent lamp...

  • Page 10: Environmental Specifications

    2.2 Environmental Specifications Table 2.2 lists the environmental specifications. Table 2-2 Environmental Specifications Item Specifications Remarks 165 ± 2mm 6.3 ± 0.08 inches Physical Height dimension (mm) 568 ± 2mm 22.36 ± 0.08 Width inches 348 ± 2mm 13.7 ± 0.08 inches Depth Weight 13.3 kg...

  • Page 11: Operation

    3. OPERATION 3.1 Removing the Shipping Bracket 3.2 Power On/Oft 3.3 Indication Panel 3.4 Setting the SCSI-ID and Connecting the Interface Cable 3.5 Paper Specifications 3.6 Document Setting Method 3.7 Cleaning 3.1 Removing the Shipping Bracket The scanner has a bracket that fixes the position of the carrier unit during transportation. The bracket must be removed from the base of the scanner.
  • Page 12 1. Remove the shipping retainer 2. Fasten the shipping retainer...

  • Page 13: Power On/Off

    3.2 Power On/Off The power switch is on the right side of the image scanner (See Figure 3.1) Turn the power switch to the “I” side, the power LED on the indication panel will light on. Turn the power switch to the “O” side, the power LED on the indication panel will go out. Figure 3-1 Power Switch 3.3 Indication Panel Figure 3.2 shows the indication panel, and Table 3.1 lists the names and functions of the indicator.

  • Page 14: Setting The Scsi Id And Connecting The Interface Cable

    Table 3-1 Names and functions of the indicators Name Color Function Power Amber Lights on when the power is turned on Ready Green Lights on when the scanner is ready to receive commands from the host computer Paper jam Lights on when paper jam occurs. This indicator along with Ready indicator also indicates other error conditions.

  • Page 15: Scsi Cable Connection

    The devices linked to the SCSI interface are daisy-chained with one another. A terminator is attached to the ends of the interface cable. User can buy the SCSI cable in computer stores. The specifications of the SCSI cable is as shown below.
  • Page 16 Configuration II: the number of devices attached to the SCSI bus (including the host PC) is three. The scanner is located at the end of the connection, as shown below. Host PC SCSI device Scanner Set terminator switch at “on” position Terminator If there is already another device linked to the host via SCSI cable, remove the terminator from that device.

  • Page 17: Paper Specifications

    3.5 Paper Specifications This section provides the readable paper specifications for the automatic document feeder (ADF). 3.5.1 Paper Size Feeding direction Maximum Minimum Unit: mm Figure 3-4 Paper size specifications 3.5.2 Paper conditions 3.5.2.1 a) Paper quality Wood-free paper PPC paper; Specified by XEROX Corporation b) Paper specifications Legal size, 14~28 lbs...

  • Page 18: Fiatbed

    3.5.2.2 FIatbed (a) Paper quality No condition (b) Ream weight No condition Paper form Square is preferred. 3.5.2.3 Items to avoid Paper such as the following cannot be fed by ADF. (a) Paper with clips or staples. (b) Paper with ink not dry. (C)Paper with inconsistent thickness, such as an envelope.

  • Page 19: Readable Area

    3.5.3 Readable area Feeding direction Unit: mm Figure 3-5 ADF readable area...

  • Page 20: Document Setting Method

    3.6 Document Setting Method 3.6.1 Flatbed Figure 3-6 Flatbed reading 3.6.1.1 When the document size is of letter/A4 size or smaller If the document is to be read on the flat-bed, following the steps below. Open the document cover. Put the document on the document glass with the image face down with the upper end to the left. Correct any curls or folded documents.

  • Page 21: When The Document Is A Thick Book

    3.6.1.2 When the document is a thick book 1. Open the document cover and place it on the glass surface. 2. If the document is thick, do not close the document cover. That part of the document in close contact with the glass will be read correctly but any part that is not in contact with the glass may be unclear or distorted so care must be taken.

  • Page 22: Placing The Documents On The Adf Paper Chute

    3.6.2.2 Placing the documents on the ADF paper chute Perform the following steps to place the document in the ADF paper chute. If these steps are not followed closely, a feed error may occur. Figure 3-8 Placing the document on the ADF paper chute 1.
  • Page 23 4. Place the document face down on the ADF paper chute, and put the ends of the bottom 2 or 3 sheets into the auto feeder. 5. C]ose the right and left guides against side of the document. (Skewing may occur if a gap exists between the guides and document.) 6.

  • Page 24: Cleaning

    3.7 Cleaning 3.7.1 Cleaning the document cover and the document glass Use a clean and soft cloth moistened with non-corrosive solvent such as alcohol (with purity above 99.5%) and wipe the document cover and flatbed document glass slightly, as shown in Figure 3.9. Figure 3-9 3-14...

  • Page 25: Cleaning Inside The Adf

    3.7.2 Cleaning inside the ADF Clean the ADF according to the procedure that follows when the following situations frequently occur: • Documents are not fed smoothly. • Several documents are fed in at the same time. • Reading result is poor. Cleaning Procedure: 1.

  • Page 27: Interface

    4. INTERFACE 4.1 Physical Specifications 4.2 SCSI Bus 4.3 Bus Phases 4.4 Commands 4.5 Status: STATUS phase (target initiator) 4.6 Messages 4.7 Command Sequence 4.8 Status Transition of Logical Unit 4.9 Error Table 4.10 Items for Specifying Window This image scanner and the host are connected via an 8-bit parallel interface. The interface follows the ANSI (American National Standards Institute) SCSI 2 (Small Computer System Interface 2) Revision 10c.
  • Page 28 Commands The following commands are supported by this scanner: • INQUIRY • OBJECT POSITION • READ • RELEASE UNIT • REQUEST SENSE • RESERVE UNIT • SEND DIAGNOSTIC • SET WINDOW • TEST UNIT READY • SCAN A control byte is not supported. If value other than X’OO' is specified. an error is generated. Statuses The following statuses are supported by this scanner: •...

  • Page 29: Physical Specifications

    4.1 Physical Specifications The devices linked to this interface are daisy chained with each other. A terminator is attached to the ends of the interface cable. Interface specifications are as shown below 4.1.1 Connection SCSI device SCSI device SCSI device Terminator Terminator...

  • Page 30: Physical Specification

    4.1.2 Physical Specification Table 4-1 SCSI physical specifications Item Specifications Driver/Receiver Single-ended Connector 50 Contact Shielded Low Density Cable Max. cable length 132 Ω Characteristic impedance Cable type 25 signal twisted pair ≤ 0.1 mm (from main cable in scanner to internal wiring) Stub wire Signal level Terminator...

  • Page 31: Pin Assignments

    4.1.4 Pin assignments Physical Specifications Signal Name Pin Number Signal Name -DB (0) -DB(1) -DB(2) -DB(3) -DB(4) -DB(5) -DB(6) -DB(7) -DB(P) Reserved Reserved (Open) TERMPWR Reserved Reserved -ATN -BSY -ACK -RST -MSG -SEL -C/D -REQ -I/O Note: Reserved pins are connected to GND. Figure 4-1 Pin assignment...

  • Page 32: Scsi Bus

    4.2 SCSI Bus 4.2.1 System configuration 4.2.1.1 System configuration The SCSI bus connects up to eight SCSI units, each linked with a daisy chain. Both ends of the daisy chain require a terminator. Each SCSI unit operates as an initiator or a target, so that a series of operations are performed between an initiator and target pair.

  • Page 33: Bus Signals

    4.2.2 Bus signals Table 4-2 Bus signals Signal name Type of signal Initiator ⇐ ⇒ Target Eight data-bit signals, plus a parity-bit signal that forms a DATA Data DB(7) BUS. most significant bit and has the highest priority during the ARBITRATION phase. Bit number, significance and priority decease downward to DB(O).

  • Page 34: Bus Signal Drive Conditions

    4.2.3 Bus signal drive conditions SCSI devices drive signals of the SCSI bus. The types of SCSI devices are summarized in the following table, showing the signals that they can drive for each operating phase of the interface. There are two kinds of signal driving methods, OR tied and NON-OR tied, as shown in Table 4.2. During an interface operating sequence.

  • Page 35: Bus Phases

    Table 4-4 Method of driving the interface signal OR connection NON_OR connection False No signal is driven by any The signal is driven false by SCSI device. Signal status is a certain SCSI device made false by the termination (initiator or target), or is not resistor circuits.
  • Page 36 The signal delay times for each bus phase are defined as follows- Table 4-5 Signal delay times definition Item Time Definition Arbitration 2.4 µs The minimum time an SCSI device shall wait from delay asserting BSY for arbitration until the DATA BUS can be examined to see if arbitration has been won.

  • Page 37: Bus Free Phase

    Table 4.5 Signal delay times definition Item Time definition Hold time 45 ns The minimum time added between the assertion of REQ (Or REQB) or ACK (or ACKB) and the changing of the data lines to provide hold time in the initiator or target while using synchronous data transfers.

  • Page 38: Arbitration Phase

    Bus settle delay Bus clear delay others ........................Bus Free phase 4.3.2 ARBITRATION phase The ARBITRATION phase allows one SCSI device to gain control of the SCSI bus so that it can initiate or resume an I/O process. The procedure for an SCSI device to obtain control of the SCSI bus is as follows: 1.
  • Page 39 ARBITRATION phase Bus settle Bus free delay delay SCSI Bus clear delay + bus settle delay Bus set delay arbitration delay ∇ Bus free delay DB(7) Bus clear delay Bus set delay ∇ Bus free delay DB(3) arbitration delay ∇ Bus free delay DB(1)

  • Page 40: Selection Phase

    4.3.3 SELECTION phase The SELECTION phase allows an initiator to select a target for the purpose of initiating some target function (e.g., READ or WRITE command). During the SELECTION phase the I/O signal is negated so that this phase can be distinguished from the RESELECTION phase.

  • Page 41: Information Transfer Phases

    4.3.4 INFORMATION TRANSFER phases Note: The COMMAND, DATA, STATUS, and MESSAGE phases are all grouped together as the information transfer phases because they are a]l used to transfer data or control information via the DATA BUS The actual content of the information is beyond the scope of this section.

  • Page 42: Asynchronous Information Transfer

    INFORMATION TRANSFER phase INFORMATION TRANSFER phase Bus settle delay Min. Ons Bus settle delay C/D, MSG, I/O The INFORMATION TRANSFER phases use one or more REQ/ACK handshakes to control the information transfer Each REQ/ACK handshake allows the transfer of one byte of information. During the INFORMATION TRANSFER phases the BSY signal shall remain true and the SEL signal shall remain false.
  • Page 43 Bus settle delay deskew delay + deskew delay + cable skew delay cable skew delay C/D,MSG (b) Asynchronous transler from initiator to target If the I/O signal is false (transfer to the target), the target shall request information by asserting the REQ signal.

  • Page 44: Commands

    Bus settle delay deskew delay + deskew delay + cable skew delay cable skew delay C/D,MSG 4.4 Commands Commands are directions issued from an initiator to a target. This image scanner supports the following range of the commands specified by the SCSI standard. (a) The identification number of logical unit (LUN: logical unit number) is B'000.’...

  • Page 45: Reserve Unit Command

    (d) A bit and field described as "Reserved" are 0. If this scanner receives a value other than 0, it returns an error as follows: Status key: B'00001 '(CHECK CONDITON) Sense key: X~5'(ILLEGAL REQUES~I) The commands supported by this scanner are listed below. Table 4-7 Commands Operation...

  • Page 46: Reserve Unit Command: Command Phase (Initiator Õ Target)

    RESERVE UNIT command: COMMAND phase (initiator Õ target) 4.4.1.1 Where a logical unit can be accessed by two or more initiators, there could be interferences with command sequences, data, etc. This situation can be avoided by issuing the RESERVE UNIT command before initiating series of operations.

  • Page 47: Release Unit Command

    4.4.2 RELEASE UNIT command The following table shows the normal sequence of the RESERVE UNIT command when used with this scanner. Table 4-9 RELEASE UNIT command ← ← → → Step Bus phase Initiator operation Target operation BUS FREE Verifies bus free ARBITRATION Obtains bus-usage right →...

  • Page 48: Inquiry Command

    If the 3rd party reservation option is not supported, setting this bit to 1 causes the target to return the following error; • Status key: B'0000I'(CHECKCONDITION) • Sense key: X~5'(ILLEGAL REQUEST) This scanner does not support the 3rd party reservation option. ID): (b) TPID (third party device Byte 1 This scanner ignores TPID.
  • Page 49 Byte 0 Operation code X'12' Logical unit number (Reserved) EVPD Page Code (Reserved) Allocation length Control byte (a) EVPD (enable vital product data): Byte 1 This scanner does not support EVPD. If this bit is set to 1, the scanner returns the following error: •...

  • Page 50: Inquiry Data: Data In Phase (Target → Initiator)

    Inquiry data: DATA IN phase (target → initiator) 4.4.3.2 Byte 0 Peripheral qualifier Peripheral device type Device type qualifier ISO version ECMA version ANSI approved version AENC Reserved Response data format Additional length (n-4) (Reserved) Rel Adr Wbus32 Wbus16 SYNC CACHE SftRst LINKED...
  • Page 51 (e) ISO version, ECMA version, ANSI approved version: Byte 2 Indicates the version number of the governing standard. This scanner returns X'02' (SCSI-2). (f) Asynchronous event notification capability (AENC): Byte 3 This scanner does not support this field, so it returns B'0'. (g) Response data format: Byte 3 Indicates the standard, and its version number, that governs the format of inquiry data.

  • Page 52: Request Sense Command

    4.4.4 REQUEST SENSE command The following table shows the normal sequence of the REQUEST SENSE command when used with this scanner. Table 4-11 REQUEST SENSE command ← ← → → Step Bus phase Initiator operation Target operation BUS FREE Verifies bus free ARBITRATION Obtains bus-usage right →...

  • Page 53: Sense Data: Data En Phase (Target → Initiator)

    Allocation length: Byte 4 Specifies the storage area in bytes that tile initiator allocates for sense data If a 0 is set here, sense data is not transferred, but this is not treated as an error. The target terminates tile DATA IN phase when it has transferred either the bytes of sense data specified in this field or all of effective sense data.
  • Page 54 (d) FM (file mark): Byte 2 This scanner does not support FM. This scanner returns B'0'. (e) EOM (end of medium): Byte 2 Indicates the completion of window reading: 1 when completed, 0 when not completed. (f) ILI (incorrect length indicator): Byte 2 Indicates that an error in logical block length has been detected.

  • Page 55: Send Diagnostic Command

    (j) Command-specific information bytes: Bytes 8 to B On this scanner, this field is not supported and is fixed to X'00000000'. (k) Additional sense code, additional sense code qualifier: Bytes C and D A combination of these fields specifies detailed information about the error reported in the sense key. This scanner reports the following information: Table 4-13 Sense...

  • Page 56: Send Diagnostic Command: Command Phase (Initiator → → Target)

    Table 4.14 SEND DIAGNOSTIC command ← ← → → Step Bus phase Initiator operation Target operation → → SELECTION Selects target Drives BSY signal → → MESSAGE Selects logical unit → → COMMAND Specifies SEND Performs self-test DIAGNOSTIC (CDB) ← ← STATUS Reports GOOD status ←...

  • Page 57: Contents Of Self-Test

    DO (device offline), UO (unit offline): Byte 1 This scanner ignores DO and UO. (d) Parameter list length: Bytes 3 to 4 This scanner does not support parameter list length. 4.4.5.2 Contents of self-test The contents of self-test shall be an equivalent of NOP, provided that CHECK CONDITION is reported if err information is withheld in the unit.

  • Page 58: Test Unit Ready Command: Command Phase (Initiator → Target)

    → 4.4.6.1 TEST UNIT READY command: COMMAND phase (initiator target) The TEST UNIT READY command checks whether a logical unit is ready. The command does not request. The acknowledgment of this command reported using the status and sense data. The CDB of this command is shown in the following illustration. Byte 0 Operation code X'00' Logical unit number...

  • Page 59: Set Window Command

    4.4.7 SET WINDOW command The following table shows the normal sequence of the SET WINDOW command when used with this scanner. Table 4-16 SET WINDOW command ← ← → → Step Bus phase Initiator operation Target operation BUS FREE Verifies bus free ARBITRATION Obtains bus-usage right →...

  • Page 60: Window Date: Data Out Phase (Initiator → Target)

    Byte 0 Operator code X'24' Logical unit number (Reserved)  (Reserved) (MSB) Transfer length (LSB) Control byte (a) TRANSFER LENGTH: Bytes 6 to 8 Specifies the number of window data bytes sent in the DATA OUT phase. A 0 means that no data transferred;...
  • Page 61 Specifies the length in bytes of a window descriptor block. Each block has the same length. The allowable range of length is between 40 and 248 bytes. For a length outside this range, this scanner returns the following error: Status: B'00001' (CHECK CONDITION) Sense key: X'5' (ILLEGAL REQUEST) (b) Window descriptor block Window parameter data (window descriptor block) is shown in the following illustration.
  • Page 62 (c) Window identifier: Byte 0 Specifies a unique value that identifies a window. The value may be 0 to If two or more 255. window identifiers are specified for a single set of window data, the most recently specified identifier is validated This scanner allows only one window to be set Therefore, only 0 may be specified in this field.
  • Page 63 (Values under 0 in [ ] are omitted.) Conditions for vertical scanning: [YR x L/1200] - 6968 (for flat-bed scan) [YR x L/1200) 8400 (for ADF scan) (Values under 0 in [ ] are omitted.) (h) Brightness: Byte 16 Specifies the brightness for half-tone monochrome output. For multibit output, this scanner ignores this field.
  • Page 64 Sense key: X'5' (ILLEGAL REQUEST) (I) Bit per pixel: Byte 1A Specifies the number of bits per pixel. This value shall be X'Ol', X'04' and X'08' for this scanner. For an: value, this scanner returns the following error: • Status: B'00001' (CHECK CONDITION) •...

  • Page 65: Update Of Scanpartner 300C Oem Manual

    This scanner does not support BIT ORDERING. If a value other than X'0000' is specified, this scanner returns the following error: • Status: B'00001' (CHECK CONDITION) • Sense key: X'5' (ILLEGAL REQUEST) Compression type, argument: Bytes 20 to 21 This scanner does not support compression type nor compression argument If values other than X'0' are specified, this scanner returns the following error: •...

  • Page 66: Vendor Unique Identification Code: Byte 28

    4.4.7.4.1 Vendor unique identification code: Byte 28 Specified a vendor unique identification code. For B&W image scanning, X'00' must be specified. If other value is specified, this scanner returns the following error: Status: B'00001' (CHECK CONDITION) Sense Key: X'05' (ILLEGAL REQUEST) 4.4.7.4.2 Paper size: byte 35 Specified a Paper Size.

  • Page 67: Color Scanning Vender Unique Parameters

    4.4.7.5 Color Scanning Vender unique parameters Table 4-19 Vendor unique parameters (byte 28 and later) Vender unique identification code Parameter length ADF source Color Reserved Highlight value Shadow value Line width Line count Reserved Reserved 4.4.7.5.1 Vendor unique identification code: Byte 28 Specifies a vendor unique identification code.
  • Page 68 d) Highlight value: Byte 2B Specifies the starting point for Hi-lighting. The value is in the range of X'01' to X'FF'. e) Shadow value: Byte 2C Specifies the starting point for shadowing. The value is in the range of X'00' to X'FE'. f) Line width: Byte 2D to 2E Specifies line width in bytes for the current scan page.

  • Page 69: Object Position Command

    4.4.8 OBJECT POSITION command The following table shows the normal sequence of the OBJECT POSITION command when used with this scanner. Table 4-20 ← ← → → Step Bus phase Initiator operation Target operation BUS FREE Verifies bus free ARBITRATION Obtains bus-usage right →...

  • Page 70: Object Position Command: Command Phase (Initator → Target)

    OBJECT POSITION command: COMMAND phase (initator → target) 4.4.8.1 The OBJECT POSITION command controls the sheets in the ADF. When the ADF is used for reading document sheets are loaded with this command before the READ command is issued. The CDB of this command is shown in the following illustration. Byte 0 Operator code X'31' Logical unit number...

  • Page 71: Acknowledgment

    • Status: B'00001' (CHECK CONDITION) • Sense key: X'5' (ILLEGAL REQUEST) (b) Unload object This scanner unloads the documents from the ADF. If the ADF does not contain a document when this command is received, this scanner does not generate an error but returns the GOOD status. The unload object function is not vital to the scanner.

  • Page 72: Adf Sequence

    4.4.8.3 ADF sequence Read on ADF Read on FB OBJECT POSITION command (Load object) READ command READ command OBJECT POSITION command (Unload object) Note If the document is shorter than the window area specified by the SET WINDOW command, the deficient portion is supplemented by white data.

  • Page 73: Read Command: Command Phase (Initiator → Target)

    READ command: COMMAND phase (initiator → target) 4.4.9.1 The READ command is used by an initiator to request a target for transfer of data. Upon receiving this command, the target returns scan data to the initiator. The CDB of this command is shown in the following illustration. Byte 0 Operator code X'28' Logical unit number...

  • Page 74: Data In Phase (Target → Initiator)

    • Status: B'00001' (CHECK CONDITION) • Sense key: X'0' (NO SENSE) • Sense data (VALID): 1 • Sense data (ILI):1 Difference in transfer amount • Sense data (INFORMATION): TL indicated transfer amount subtracted by actual transfer amount Note: For the read sequence, see items (2) and (3) in Section 4.7. DATA IN phase (target →...

  • Page 75: Scan Command

    This scanner calculates the numbers of X-direction pixels and Y-direction pixels of the image data to be transferred to the initiator. The scanner performs this calculation by referencing the resolution and area up with the SET WINDOW command. This data need not be issued if the number of pixels are known 1 the initiator. The transfer format for this data is shown in the following illustration.

  • Page 76: Status: Status Phase (Target → Initiator)

    Byte 0 Operator code X'1B' (Reserved) Transfer length Control byte Transfer length: X'01' The transfer length specifies the length in byte of the window identifier list that should be sent in the DATA OUT phase. Window identifier: X'00' 4.5 Status: STATUS phase (target → initiator) Each time a command is terminated, the target moves into the STATUS phase and returns a status byte to the initiator to report the completion of the command.

  • Page 77: Messages

    Table 4.22 Code Status of unit 00100 BUSY A target or logical unit cannot accept a new command. • The logical unit is executing processing. • The target is executing processing on a specified logical unit or other logical unit. •...

  • Page 78: Message Types

    4.6.2 Message types Messages provide information consisting of one or more bytes that are transferred in the MESSAGE IN and MESSAGE OUT phases. These messages are used to control the bus phase sequence. The initiator creates an ATTENIION condition for the target, indicating that it has a message to be reported to the target Only then the target switches to the MESSAGE OUT phase to receive the message.

  • Page 79: Message Reject (X'07'): Message In/Out Phase (Initiator → Target)

    The initiator does not intend to issue another message by activating ATN before it deactivates the ACK INITIATOR DETECTED ERROR message. Table 4-25 ATN detection phase Action SELECTION Moves to the BUS FREE phase COMMAND Discards the CDB already received and returns to the COMMAND phase DATA OUT Discards the data already received and returns to the...

  • Page 80: Operation (X'08'): Message Out Phase (Initiator → Target)

    Upon receiving the MESSAGE REJECT message, this scanner takes action as shown in the following table Table 4-26 Message rejected Action COMMAND COMPLETE Moves to the BUS FREE phase. (It is not assumed as an error.) MESSAGE REJECT Responds the CHECK CONDITION status No message issued Moves to the BUS FREE phase NO OPERATION (X'08'): MESSAGE OUT phase (initiator →...

  • Page 81: Idendify (X'80' To X'ff'): Message Out Phase (Initiator → Target)

    This scanner generates the UNIT ATTENTION condition to all initiators. After being initialized, the initiators move to the BUS FREE phase. The initiators do not intend to issue another message by activating ATN before they deactivate the ACK of the BUS DEVICE RESET message.

  • Page 82: Command Sequence

    4.7 Command Sequence This section describes the initial sequence and read sequence. 4.7.1 Initial sequence Host side Scanner side Power ON/reset/initialize Scanner does not respond for 3 sec Verify the logical unit INQUIRY Prepare INQUIRY data Respond with INQUIRY data INQUIRY data ..................................

  • Page 83: Read Sequence

    4.7.2 Read sequence The following illustration is an example of the command sequence used with this scanner. All commands are assumed to be issued from a single initiator. 4.7.2.1 Read sequence for B&W mode Initiator Target RESERVE UNIT Move to reserved status SET WINDOW - Set window parameters - Calculate the number of scan...

  • Page 84: Multiple Read

    4.7.3.2 Multiple READ READ command Request image data (TL). Start scanning. Send image data Image data: (TL: when data volume TL or Data volume: when data volume < TL) Next data request GOOD status Uncompleted reading (one page) CHECK CONDITION Completed Status See Notes 1 and 2...

  • Page 85: Status Transition Of Logical Unit

    4.8 Status Transition of Logical Unit GOOD status CHECK CONDITION status Power ON Reset Status transition BUS DEVICE RESET message Other command UNIT ATTENTION status INQUIRY command REQUEST SENSE command UNIT ATTENTION reported/cleared Range protected in reserved status NOT READY status Time to READY Other command At room temperature...

  • Page 86: Error Table

    4.9 Error Table The following table lists errors that may occur upon issue of each command. Table 4-28 Sense key MEDIUM HARD- UNIT Content ILLEGAL ABORTED SENSE READY ERROR WARE ERROR TENTION REQUEST COMMAND ¡ ¡  ¡ ¡ ¡ ...

  • Page 87: Items For Specifying Window

    4.10 Items for Specifying Window The following table lists the items available for specifying a window Table 4-29 Image composition Binary Dithered/ halftone Multibit Item monochrome monochrome Window Window Window ¡ ¡ ¡ X, Y resolution ¡ ¡ ¡ Upper left X, Y ¡...

  • Page 89: Diagnostics

    5. Diagnostics 5.1 Online Diagnostics 5.2 Offline Diagnostics 5.3 Diagnostic Flowcharts The ScanPartner 300C has diagnostics to help you determine the cause of operational problems. Some of the diagnostics function with the scanner online, while others are part of a separate offline diagnostic feature. 5.1 Online diagnostics Determine operational problems by observing the control panel Ready and Paper Jam LEDs.
  • Page 90 5.2 Offline diagnostics To run the offline diagnostics, turn the scanner off, set the SCSI ID switch (located on the back, next to the SCSI connector) to 8, and turn the power back on. When you first turn the scanner back on, the READY light will blink, indicating that the diagnostics are in progress.

  • Page 91: Group 1 Error Flowchart (Lamp Assembly)

    5.3 Diagnostic flowcharts Use the flowcharts that follow to determine the exact problem when either the online or offline diagnostics indicate a group error. Refer to Chapter 4 for parts replacement. 5.3.1 Group 1 error flowchart (Lamp assembly) This flowchart applies when the Ready and the Paper Jam LED each blinks 6 times the same while, with the scanner offline.

  • Page 92: Group 3 Error Flowchart (Paper In Adf Paper Tray)

    5.3.3 Group 3 error flowchart (paper in ADF paper tray) This flowchart applies when the Ready LED is off and Paper Jam LED steadily on with the scanner online, and there is paper in the ADF paper tray. Group 3 error Remove the papers from ADF’s input paper tray, and wait 3 seconds...

  • Page 93: Group 3 Error Flowchart (No Paper In Adf Paper Tray)

    5.3.4 Group 3 error flowchart (no paper in ADF paper tray) This flowchart applies when the Ready LED is off and Paper Jam LED steadily on with the scanner online, and there is no paper in the ADF paper tray. Group 3 error Put a piece of paper into ADF’s input paper tray,...

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