Canon Image Formula P-215 - Manual (Page 105)

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Problem 12 Memory becomes insufficient and scanning stops.
Solutions If you configure scanning conditions that use a large
amount of the computer’s memory, scanning may stop
because of insufficient memory. Although this
depends on the computer’s memory size, the
possibility of insufficient memory increases if any of
the following scanning conditions overlap.
• [Color Mode] is set to [24-bit Color]
• A large page size (e.g. Legal) is specified as the
[Page Size]. Alternatively, the page size is set to
[Scanner’s Maximum].
• A high resolution (600dpi etc.) is specified for [Dots
per inch].
If an error message appears due to insufficient
memory while scanning is in progress, exit the
application, change the scanning conditions (e.g.
reduce the resolution or page size) and then try
scanning again. In addition, the amount of memory
used can be contained by turning off [Moire Reduction]
and [Prevent Bleed Through/Remove Background] if
they are set to on.
Problem 13 The scanner makes unusual noise while feeding
documents.
Solutions The paper quality of some documents can result in
unusual noises, but this does not indicate a
malfunction.