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+# The options are only meaningful if the backend was
+# compiled with USE_FORK defined
+#
+# option buffersize: size of one buffer allocated as shared
+# memory for data transfer between the reader process
+# and the parent process
+# option buffers: number of these buffers
+# The minimum is 2
+# option readqueue: number of queued read requests. This is
+# with the current SANE version (1.01) only useful for
+# Linux, since queued read requests are not supported
+# for other operating systems.
+#
+# For Linux, a value of 2 is recommended, at least if a
+# JX-250 is used. Bigger values are only a waste of memory.
+#
+# For other operationg systems, set this value to zero
+#
+# option stop_on_fsu_error: should be 0 or 1. If set to 0,
+# the "FSU light dispersion error" does not cause the abortion
+# of a scan.
+#
+# option default_scan_source: valid values are "auto", "fsu", "adf"
+# and "flatbed". For "auto", the backend will enable an ADF or
+# or FSU, if installed.
+#
+# global options:
+option buffers 4
+option buffersize 131072
+option readqueue 2
+option stop_on_fsu_error 1
+option default_scan_source auto
+# look for all devices with vendor ID "SHARP" and type "Scanner"
+scsi SHARP * Scanner
+# no options specific to these devices listed -> use global options
+/dev/scanner
+# options specific to /dev/scanner
+ option buffers 6
+ option buffersize 262144
+ option readqueue 2
+# example for another (Linux) device name:
+#/dev/sg1