Controls; Lifter Control; Cassette Pickup Control; Cassette Paper Size Detection/ Cassette Detection - Canon Cassette Feeding Unit-AP1 Service Manual

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
A3 A3
B4 B4
A4R A4R
A4 A4
B5R B5R
B5 B5
A5R Depends on the setting*2 A5R
11x17 11x17
LGL LGL
LTR LTR
LTRR LTRR
STMTR Depends on the setting*2 A5R
12x18 12x18
Paper Size Group for Auto Recog. in Drawer*1
All Sizes A/B-Size
A3
B4
A4R
A4
B5R
B5
No corresponding size
No corresponding size
No corresponding size
No corresponding size
No corresponding size
Inch Size
No corresponding size
No corresponding size
No corresponding size
No corresponding size
No corresponding size
No corresponding size
STMTR
11x17
LGL
LTR
LTRR
STMTR
12x18
10
2. Technology
A/K Size
A3
No corresponding size
A4R
A4
No corresponding size
No corresponding size
A5R
No corresponding size
No corresponding size
No corresponding size
No corresponding size
A5R
No corresponding size