Adf Sequence; Read Command - Fujitsu Scan Partner 300C Instruction Manual

4.4.8.3

ADF sequence

Note
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.

4.4.9 READ command

The following table shows the normal sequence of the READ command when used with this scanner.
Step Bus phase
1 BUS FREE
2 ARBITRATION
3 SELECTION
4 MESSAGE OUT
5 COMMAND
6 DATA IN
7 STATUS
8 MESSAGE IN
9 BUS FREE
Read on ADF
OBJECT POSITION command
(Load object)
READ command
OBJECT POSITION command
(Unload object)
Initiator operation
Verifies bus free
Obtains bus-usage right
Selects target
Selects logical unit
Specifies READ (CDB)
Read on FB
READ command
Table 4-21
← ← → →
→
Drives BSY signal
→
→
Reads document
←
Transfer image data
←
Reports GOOD status
←
Reports message (Command Complete)
Releases BSY signal
4-46
Target operation