Canon DR-5060F - Manual (Page 56)

54 Setting Scan Conditions
■ Fixed Thickness Mode
This unit scans while detecting the paper thickness and automatically adjusts
the paper thickness setting. However, when scanning extremely thick or thin
paper documents, the automatic adjustment may function less effectively,
resulting in paper jams.
Paper jams in this instance can be prevented by setting the paper thickness to
a fixed setting.
The paper thickness is set by “Manual Thickness Adjustment” (See “Manual
Thickness Adjustment” P. 53).
Pressing the function key to which the “fixed thickness mode” is registered
(default: function key 2) lights the function key lamp.
To return to automatic detection of paper thickness, press the key to which the
Fixed Thickness mode is registered to turn the lamp OFF.
■ Double Feed Detection
This scanner has a “double feed detection” function. This function memorizes
the thickness and length of the first document sheet to be used as the standard
document during continuous scanning, and automatically detects a double feed
(simultaneous feeding of two or more pages), and displays an error when a
double feed is detected.
Pressing the function key to which “double-feed detection” is registered (default:
function key 3) lights the function key lamp and turns double feed detection
ON.
To disable double feed detection, press the key to which double feed detection
is registered to turn the lamp OFF.
NOTE
● A double feed error occurs when a stack of different-size or -thickness
originals is fed. Be sure to turn double-feed detection OFF.
MEMO
● As the first document sheet is used as the standard for detecting double
feed, double feed may not be detected if the first document sheet is double-
fed. Check the scanned image to see if the first document sheet was fed and
scanned correctly.
● Double feed detection is not possible on documents having a width of 130
mm (5.1 in.) or less.
● A double feed is automatically judged and an error message displayed when
an original 5 cm (2.0 in.) longer than the standard document or an original
1.5 times thicker or more than the standard document is detected.
● A double feed is automatically judged and an error code displayed when the
stack of documents contains a document 5 cm (2.0 in.) or more shorter than
the reference length.
● When the double feed function is set to ON by a function key, double feed is
detected by both the document length and thickness. Detection of double
feed by either document length or document thickness cannot be set to
function keys.
Though this function can be set in the driver or the application, the function
key does not light in this case. The function key lights when detection of
double feed by both document length and thickness are both set.
● The double feed detection settings are reset when the power is turned OFF.