Data Type Code: 02h(Halftone Mask), 03h(Gamma Function)

90h(Endorser Data)

 

Data Type Qualifier: 0 to 7(Halftone Mask), 0 to 7(Gamma Function)

 

Data Type Codes are defined in READ command.

 

For the Data Type Code 02h(Halftone Mask), this field indicates

 

INTERFACE

Halftone Mask identifier. Available identifier number is depends on

 

numbers of downloadable halftone masks. If higher identifier is

 

 

specified, CHECK CONDITION status is returned and Sense Key

 

is set to ILLEGAL REQUEST.

 

This scanner supports 8 Halftone Masks. Halftone Mask identifier 0

 

to 7 are available.

 

For the Data Type Code 03h(Gamma Function), this field indicates

 

Gamma Function Table identifier. Available identifier number is

 

depends on numbers of downloadable Gamma Function Table. If

 

higher identifier is specified, CHECK CONDITION status is

 

returned and Sense Key is set to ILLEGAL REQUEST.

 

For the other Data Type Code, this field is reserved.

 

The transfer length specifies the number of blocks the target shall

 

transfer from the initiator during the DATA OUT phase. This

 

scanner block size is defined as one byte by following JBMS. A

 

transfer length of zero, is not considered an error and no data shall be

 

transferred.

 

If longer acceptable data length is specified in transfer length,

 

CHECK CONDITION status is returned and ILLEGAL

 

REQUEST is set to Sense Key.

 

Maximum Transfer Length of this scanner is 1034 bytes.

 

This command shall be terminated with a status of RESERVATION

 

CONFLICT if any reservation access conflict (see ANSI SCSI-2

 

10.2.10) exists and no data shall be transferred.

 

M3099GX/GH OEM Manual

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