Epson Stylus Scan 2000, Service Manual

Page: 27 / 264

EPSON Stylus Scan 2000 Revision A
Product Description Control Panel 26
SCANNER
There are three initialization methods.
1. Hardware initialization
The scanner initializes when turned on.
When the scanner initializes, the following actions are performed.
n
Initialize scanner mechanism
n
Clear input/output data buffer
n
Set default values
2. Operator initialization
The scanner initializes when it recognizes the -INIT signal (negative pulse) from the
parallel interface.
When the scanner initializes, the following actions are performed.
n
Clear input/output data buffer
n
Set default values
3. Software initialization
The ESC@ command also initializes the scanner.
When the scanner initializes, the following actions are performed.
n
Clear input/output data buffer
n
Set default values