Problem:
After connecting a scanner with a higher function level than the previous scanner, the new scanner does not operate properly.
Cause
Although you used the ESC I command to obtain the function level information, your program was set up to work only when the function level was the same as the previous scanner.
Solution
EPSON scanner function levels are designed so that higher levels encompass all the commands of lower levels. Change your program so it works with scanners of equal level or higher.
Problem:
The speed of image data transfer remains the same, whether you use a SCSI or
Cause
Your program is writing each line of image data to your hard disk as the data is received.
Solution
When using scanners of B4 level or higher, always use block data transfer.
Command Usage