Canon Cassette Feeding Unit-AP1, Service Manual

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Controls
Lifter control
Paper inside a cassette is lifted up by the Lifting Plate.
The Middle Plate is lifted by the rotation of the Cassette 3,4 Lifter Motor (M102).
When the paper surface reaches the position of the Pickup Roller, the Cassette Lifter Sensors(PS104/PS105) are turned ON to
detect that the paper has reached the pickup position.
Lifter Error Detection
If the Cassette Lifter Sensors are not turned ON for 5 seconds or more, no paper is displayed for the corresponding paper source
and an alarm code is issued.
NOTE:
Related Alarm Code:
04-0001: Cassette 1 Lifter Error
04-0002: Cassette 2 Lifter Error
04-0003: Cassette 3 Lifter Error
04-0004: Cassette 4 Lifter Error
Cassette Pickup Control
Rotation of the Cassette 3,4 Pickup Motor (M101) feeds paper to the Vertical Path Roller.
The Cassette 3/4 Pickup Roller and the Cassette 3/4 Feed Roller are driven by the Cassette 3,4 Pickup Motor (M101) while the
Vertical Path Roller is operated by the rotation of the Cassette 3,4 Feed Motor (M103).
Pickup Retry Error
Pickup retry is executed when a delay jam is detected by the Vertical Path Sensor of the respective paper source.
An alarm code is notified when pickup retry fails the predetermined number of times.
NOTE:
Related Alarm Code:
04-0011: Cassette 1 Pickup Retry Error
04-0012: Cassette 2 Pickup Retry Error
04-0013: Cassette 3 Pickup Retry Error
04-0014: Cassette 4 Pickup Retry Error
Cassette Paper Size Detection/ Cassette Detection
Result of automatic
size detection
Paper Size Group for Auto Recog. in Drawer*1
All Sizes A/B-Size Inch Size A/K Size
A3 A3 A3 No corresponding size A3
B4 B4 B4 No corresponding size No corresponding size
A4R A4R A4R No corresponding size A4R
A4 A4 A4 No corresponding size A4
B5R B5R B5R No corresponding size No corresponding size
B5 B5 B5 No corresponding size No corresponding size
A5R Depends on the setting*2 A5R STMTR A5R
11x17 11x17 No corresponding size 11x17 No corresponding size
LGL LGL No corresponding size LGL No corresponding size
LTR LTR No corresponding size LTR No corresponding size
LTRR LTRR No corresponding size LTRR No corresponding size
STMTR Depends on the setting*2 A5R STMTR A5R
12x18 12x18 No corresponding size 12x18 No corresponding size
2. Technology
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