Canon DADF-AV1, Руководство по обслуживанию

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Document Detection
Outline
This machine detects a document using either of the two methods depending on the print mode.
• Normal print mode (other than mixed size print mode and banner paper mode)
• Mixed size print mode and banner paper mode
Normal print mode
Function Description Symbol
Document presence/absence detection Detects document existence on the Document sup-
ply tray. Document set sensor(SR5)
Initial document size absence
detection Length Detects document length on the Document supply
tray. Document length sensor 1/2
(SR7/SR8)
Width Detects the document width on the Document sup-
ply tray. Document width sensor1/2/3
(SR13/SR14/SR15)
Mixed size print mode and banner paper mode
Function Description Symbol
Document presence/absence detection Detects document existence on the Document sup-
ply tray. Document set sensor (SR5)
Mixed width document size de-
tection Length Document length is detected while feeding. Registration sensor (SR1)
Read sensor (SR2)
Width Detects the maximum document width on the
Document supply tray. Document width sensor1/2/3
(SR13/SR14/SR15)
Document width is detected while feeding. Different width sensor 1/2/3/4
(SR9/SR10/SR11/SR12)
Initial Document Size Detection
Initial document size is detected when a document is placed on the Document supply tray. The Document length sensor 1/2 (SR7/
SR8) and the Document width sensor 1/2/3 (SR13/SR14/SR15) are used for the detection.
The light shading detects document length whose sensor is the Document length sensor 1/2 (SR7/SR8).
Document width is detected by the Document width sensor 1/2/3 (SR13/SR14/SR15) which performs by light prevention plate
connected with the Slide guide adjustment.
Document sizes are determined by combination of ON/OFF states of these sensors.
The Document length sensor 1 (SR7) is a Reflection Sensor which is available to detect the length of a document in case that
the curled paper is placed on the document pickup tray.
2. Technical Explanation
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