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Bit 7 (error flag) of the status byte is set to ‘‘1.’’
The appropriate bit in the extended status byte is set.
The scanner only accepts these commands: ESC F, ESC f, and ESC @.
Error recovery procedure:
After correcting the cause of the problem, perform one of the
following.
Turn the scanner off and then back on again.
Press the reset button (if the scanner model has a reset button).
Send the ESC @ command.
Set the parallel interface’s INIT signal to LOW.
Send a device reset message on your SCSI line.
Set the SCSI’s reset line to active.
Option error
When an option is installed and the ESC e (Control option) command
is enabled, this error occurs if the option does not operate properly.
Cause:
An option error is detected (cover open, paper jam, etc.).
Scanner’s response:
Bit 7 (error flag) of the status byte is set to ‘‘1.’’
The appropriate bit in the extended status byte is set.
Error recover procedure:
Correcting the cause of the error clears the error condition.
2-46 Command Usage